Cypress Semiconductor Quad HOTLink II CYV15G0404RB Bedienungsanleitung

Independent Clock Quad HOTLink II™

Deserializing Reclocke

CYV15G0404RB

Cypress Semiconductor Corporation • 198 Champion Court • San Jose,CA 95134-1709 • 408-943-2600

Document #: 38-02102 Rev. *C Revised February 16, 2007

Features

• Second-generation HOTLink®technology

• Compliant to SMPTE 292M and SMPTE 259M video

standards

• Quad channel video reclocking deserializer

— 195 to 1500 Mbps serial data signaling rate

— Simultaneous operation at different signaling rates

• Supportsreceptionofeither1.485or1.485/1.001Gbpsdata

rate with the same training clock

• Supports half-rate and full-rate clocking

• Internal phase-locked loops (PLLs) with no external PLL

components

• Selectable differential PECL-compatible serial inputs

— Internal DC restoration

• Synchronous LVTTL parallel interface

• JTAG boundary scan

• Built-In Self-Test (BIST) for at-speed link testing

• Link Quality Indicator

— Analog signal detect

— Digital signal detect

• Low-power: 3W @ 3.3V typical

• Single 3.3V supply

• Thermally enhanced BGA

• Pb-Free package option available

•0.25µBiCMOS technology

Functional Description

The CYV15G0404RB Independent Clock Quad HOTLink II™

Deserializing Reclocker is a point-to-point or point-to-multi-

point communications building block enabling data transfer

over a variety of high speed serial links including SMPTE 292

and SMPTE 259 video applications. It supports signaling rates

in the range of 195 to 1500 Mbps for each serial link. The four

channels are independent and can simultaneously operate at

different rates. Each receive channel accepts serial data and

converts it to 10-bit parallel characters and presents these

characters to an Output Register. The received serial data can

also be reclocked and retransmitted through the reclocker

serial outputs. Figure 1, "HOTLink II™ System Connections,"

on page 2 illustrates typical connections between independent

video coprocessors and corresponding CYV15G0404RB

ReclockingDeserializerandCYV15G0403TBSerializer chips.

The CYV15G0404RB is SMPTE-259M and SMPTE-292M

compliant according to SMPTE EG34-1999 Pathological Test

Requirements.

As a second generation HOTLink device, the

CYV15G0404RB extends the HOTLink family with enhanced

levels of integration and faster data rates, while maintaining

serial-link compatibility (data and BIST) with other HOTLink

devices.

Eachchannel of the CYV15G0404RB Quad HOTLink II device

accepts a serial bit-stream from one of two selectable

PECL-compatible differential line receivers, and using a

completely integrated Clock and DataRecoveryPLL, recovers

the timing information necessary for data reconstruction. The

device reclocks and retransmits recovered bit-stream through

the reclocker serial outputs. It also deserializes the recovered

serial data and presents it to the destination host system.

Each channel contains an independent BIST pattern checker.

This BIST hardware enables at speed testing of the

high-speed serial data paths in each receive section of this

device, each transmit section of a connected HOTLink II

device, and across the interconnecting links.

The CYV15G0404RB is ideal for SMPTE applications where

different data rates and serial interface standards are

necessary for each channel. Some applications include

multi-format routers, switchers, format converters, SDI

monitors, and camera control units.

[+] Feedback

CYV15G0404RB

Document #: 38-02102 Rev. *C Page 2 of 27

Figure 1. HOTLink II™ System Connections

Video Coprocessor

Serial Links

Independent

CYV15G0403TB

Independent

Reclocking Deserializer

Serializer

Channel

CYV15G0404RB

Channel

Reclocked

Outputs

Reclocked

Outputs

CYV15G0404RB Deserializing Reclocker Logic Block Diagram

x10

Deserializer

Reclocker RX

RXDA[9:0]

ROUTA1±

ROUTA2±

INA1±

INA2± TRGCLKA±

x10

Deserializer

Reclocker RX

RXDB[9:0]

ROUTB1±

ROUTB2±

INB1±

INB2± TRGCLKB±

x10

Deserializer

Reclocker RX

RXDC[9:0]

ROUTC1

ROUTC2

INC1

INC2

TRGCLKC±

x10

Deserializer

Reclocker RX

RXDD[9:0]

ROUTD1

ROUTD2

IND1

IND2

TRGCLKD±

[+] Feedback

CYV15G0404RB

Document #: 38-02102 Rev. *C Page 3 of 27

Reclocking Deserializer Path Block Diagram

INA1+

INA1–

INA2+

INA2–

INSELA

Clock &

Data

Recovery

PLL

Shifter

LFIA

10 RXDA[9:0]

Receive

Signal

Monitor

Output

RXCLKA+

RXCLKA–

÷2

RXPLLPDA

SPDSELA

ULCA

RXRATEA

BIST LFSR

RXBISTA[1:0]

LDTDEN SDASEL[2..1]A[1:0]

ROUTA1+

ROUTA1–

ROUTA2+

ROUTA2–

ROE[2..1]A

TRGCLKA x2

TRGRATEA

BISTSTA

Character-Rate Clock A

Reclocker

RECLKOA

Recovered Character Clock Recovered Serial Data

REPDOA

Clock Multiplier A

Output PLL ROE[2..1]A

INB1+

INB1–

INB2+

INB2–

INSELB

Clock &

Data

Recovery

PLL

Shifter

LFIB

10 RXDB[9:0]

Receive

Signal

Monitor

Output

RXCLKB+

RXCLKB–

÷2

RXPLLPDB

SPDSELB

ULCB

RXRATEB

BIST LFSR

RXBISTB[1:0]

LDTDEN SDASEL[2..1]B[1:0]

ROUTB1+

ROUTB1–

ROUTB2+

ROUTB2–

ROE[2..1]B

TRGCLKB x2

TRGRATEB

BISTSTB

Character-Rate Clock B

Reclocker

RECLKOB

Recovered Character Clock Recovered Serial Data

REPDOB

Clock Multiplier B

Output PLL ROE[2..1]B

= Internal Signal

JTAG

Boundary

Scan

Controller TDO

TMS

TCLK

TDI

RESET

TRST

[+] Feedback

CYV15G0404RB

Document #: 38-02102 Rev. *C Page 4 of 27

Reclocking Deserializer Path Block Diagram (continued) = Internal Signal

INC1+

INC1–

INC2+

INC2–

INSELC

Clock &

Data

Recovery

PLL

Shifter

LFIC

10 RXDC[9:0]

Receive

Signal

Monitor

Output

RXCLKC+

RXCLKC–

÷2

RXPLLPDC

SPDSELC

ULCC

RXRATEC

BIST LFSR

RXBISTC[1:0]

LDTDEN SDASEL[2..1]C[1:0]

ROUTC1+

ROUTC1–

ROUTC2+

ROUTC2–

ROE[2..1]C

TRGCLKC x2

TRGRATEC

BISTSTC

Character-Rate Clock C

Reclocker

RECLKOC

Recovered Character Clock Recovered Serial Data

REPDOC

Clock Multiplier C

Output PLL ROE[2..1]C

IND1+

IND1–

IND2+

IND2–

INSELD

Clock &

Data

Recovery

PLL

Shifter

LFID

10 RXDD[9:0]

Receive

Signal

Monitor

Output

RXCLKD+

RXCLKD–

÷2

RXPLLPDD

SPDSELD

ULCD

RXRATED

BIST LFSR

RXBISTD[1:0]

LDTDEN SDASEL[2..1]D[1:0]

ROUTD1+

ROUTD1–

ROUTD2+

ROUTD2–

ROE[2..1]D

TRGCLKD x2

TRGRATED

BISTSTD

Character-Rate Clock D

Reclocker

RECLKOD

Recovered Character Clock Recovered Serial Data

REPDOD

Clock Multiplier D

Output PLL ROE[2..1]D

[+] Feedback

CYV15G0404RB

Document #: 38-02102 Rev. *C Page 5 of 27

WREN

ADDR[3:0]

DATA[7:0]

Device Configuration and Control Block Diagram = Internal Signal

RXRATE[A..D]

RXBIST[A..D]

SDASEL[A..D][1:0]

RXPLLPD[A..D]

ROE[2..1][A..D]

GLEN[11..0]

FGLEN[2..0]

Device Configuration

and Control Interface

[+] Feedback

CYV15G0404RB

Document #: 38-02102 Rev. *C Page 6 of 27

Pin Configuration (Top View)[1]

Note

1. NC = Do not connect.

12345678910 11 12 13 14 15 16 17 18 19 20

AIN

C1– ROUT

C1– IN

C2– ROUT

C2– VCC IN

D1– ROUT

D1– GND IN

D2– ROUT

D2– IN

A1– ROUT

A1– GND IN

A2– ROUT

A2– VCC IN

B1– ROUT

B1– IN

B2– ROUT

B2–

BIN

C1+ ROUT

C1+ IN

C2+ ROUT

C2+ VCC IN

D1+ ROUT

D1+ GND IN

D2+ ROUT

D2+ IN

A1+ ROUT

A1+ GND IN

A2+ ROUT

A2+ VCC IN

B1+ ROUT

B1+ IN

B2+ ROUT

B2+

CTDI TMS INSELC INSELB VCC ULCD ULCC GND DATA

[7] DATA

[5] DATA

[3] DATA

[1] GND VCC SPD

SELD VCC LDTD

EN TRST GND TDO

DTCLK RESET INSELD INSELA VCC ULCA SPD

SELC GND DATA

[6] DATA

[4] DATA

[2] DATA

[0] GND GND ULCB VCC NC VCC SCAN

EN2 TMEN3

EVCC VCC VCC VCC VCC VCC VCC VCC

FRX

DC[8] RX

DC[9] VCC VCC VCC RX

DB[0] RE

CLKOB RX

DB[1]

GGND WREN GND GND SPD

SELB NC SPD

SELA RX

DB[3]

HGND GND GND GND GND GND GND GND

JGND GND GND GND BIST

STB RX

DB[2] RX

DB[7] RX

DB[4]

KRX

DC[4] TRG

CLKC– GND GND RX

DB[5] RX

DB[6] RX

DB[9] LFIB

LRX

DC[5] TRG

CLKC+ LFIC GND RX

DB[8] RX

CLKB+ RX

CLKB– GND

MRX

DC[6] RX

DC[7] VCC RE

PDOC TRG

CLKB+ TRG

CLKB– RE

PDOB GND

NGND GND GND GND GND GND GND GND

PRX

DC[3] RX

DC[2] RX

DC[1] RX

DC[0] GND GND GND GND

RBIST

STC RE

CLKOC RX

CLKC+ RX

CLKC– VCC VCC VCC VCC

TVCC VCC VCC VCC VCC VCC VCC VCC

UVCC VCC VCC VCC VCC RX

DD[4] RX

DD[3] GND GND ADDR

[0] TRG

CLKD– GND GND GND VCC VCC RX

DA[4] VCC BIST

STA RX

DA[0]

VVCC VCC VCC RX

DD[8] VCC RX

DD[5] RX

DD[1] GND BIST

STD ADDR

[2] TRG

CLKD+ RE

CLKOA GND GND VCC VCC RX

DA[9] RX

DA[5] RX

DA[2] RX

DA[1]

WVCC VCC LFID RX

CLKD– VCC RX

DD[6] RX

DD[0] GND ADDR

[3] ADDR

[1] RX

CLKA+ RE

PDOA GND GND VCC VCC LFIA TRG

CLKA+ RX

DA[6] RX

DA[3]

YVCC VCC RX

DD[9] RX

CLKD+ VCC RX

DD[7] RX

DD[2] GND RE

CLKOD NC GND RX

CLKA– GND GND VCC VCC RE

PDOD TRG

CLKA– RX

DA[8] RX

DA[7]

[+] Feedback

CYV15G0404RB

Document #: 38-02102 Rev. *C Page 7 of 27

Pin Configuration (Bottom View)[1]

20 19 18 17 16 15 14 13 12 11 10 987654321

AROUT

B2– IN

B2– ROUT

B1– IN

B1– VCC ROUT

A2– IN

A2– GND ROUT

A1– IN

A1– ROUT

D2– IN

D2– GND ROUT

D1– IN

D1– VCC ROUT

C2– IN

C2– ROUT

C1– IN

C1–

BROUT

B2+ IN

B2+ ROUT

B1+ IN

B1+ VCC ROUT

A2+ IN

A2+ GND ROUT

A1+ IN

A1+ ROUT

D2+ IN

D2+ GND ROUT

D1+ IN

D1+ VCC ROUT

C2+ IN

C2+ ROUT

C1+ IN

C1+

CTDO GND TRST LDTD

EN VCC SPD

SELD VCC GND DATA

[1] DATA

[3] DATA

[5] DATA

[7] GND ULCC ULCD VCC INSELB INSELC TMS TDI

DTMEN3 SCAN

EN2 VCC NC VCC ULCB GND GND DATA

[0] DATA

[2] DATA

[4] DATA

[6] GND SPD

SELC ULCA VCC INSELA INSELD RESET TCLK

EVCC VCC VCC VCC VCC VCC VCC VCC

FRX

DB[1] RE

CLKOB RX

DB[0] VCC VCC VCC RX

DC[9] RX

DC[8]

GRX

DB[3] SPD

SELA NC SPD

SELB GND GND WREN GND

HGND GND GND GND GND GND GND GND

JRX

DB[4] RX

DB[7] RX

DB[2] BIST

STB GND GND GND GND

KLFIB RX

DB[9] RX

DB[6] RX

DB[5] GND GND TRG

CLKC– RX

DC[4]

LGND RX

CLKB– RX

CLKB+ RX

DB[8] GND LFIC TRG

CLKC+ RX

DC[5]

MGND RE

PDOB TRG

CLKB– TRG

CLKB+ RE

PDOC VCC RX

DC[7] RX

DC[6]

NGND GND GND GND GND GND GND GND

PGND GND GND GND RX

DC[0] RX

DC[1] RX

DC[2] RX

DC[3]

RVCC VCC VCC VCC RX

CLKC– RX

CLKC+ RE

CLKOC BIST

STC

TVCC VCC VCC VCC VCC VCC VCC VCC

URX

DA[0] BIST

STA VCC RX

DA[4] VCC VCC GND GND GND TRG

CLKD– ADDR

[0] GND GND RX

DD[3] RX

DD[4] VCC VCC VCC VCC VCC

VRX

DA[1] RX

DA[2] RX

DA[5] RX

DA[9] VCC VCC GND GND RE

CLKOA TRG

CLKD+ ADDR

[2] BIST

STD GND RX

DD[1] RX

DD[5] VCC RX

DD[8] VCC VCC VCC

WRX

DA[3] RX

DA[6] TRG

CLKA+ LFIA VCC VCC GND GND RE

PDOA RX

CLKA+ ADDR

[1] ADDR

[3] GND RX

DD[0] RX

DD[6] VCC RX

CLKD– LFID VCC VCC

YRX

DA[7] RX

DA[8] TRG

CLKA– RE

PDOD VCC VCC GND GND RX

CLKA– GND NC RE

CLKOD GND RX

DD[2] RX

DD[7] VCC RX

CLKD+ RX

DD[9] VCC VCC

[+] Feedback

CYV15G0404RB

Document #: 38-02102 Rev. *C Page 8 of 27

Pin Definitions

CYV15G0404RB Quad HOTLink II Deserializing Reclocker

Name IO Characteristics Signal Description

Receive Path Data and Status Signals

RXDA[9:0]

RXDB[9:0]

RXDC[9:0]

RXDD[9:0]

LVTTL Output,

synchronous to the

RXCLK± output

Parallel Data Output. RXDx[9:0] parallel data outputs change relative to the

receive interface clock. If RXCLKx± is a full-rate clock, the RXCLKx± clock outputs

are complementary clocks operating at the character rate. The RXDx[9:0] outputs

for the associated receive channels follow the rising edge of RXCLKx+ or the

falling edge of RXCLKx–. If RXCLKx± is a half-rate clock, the RXCLKx± clock

outputs are complementary clocks operating at half the character rate. The

RXDx[9:0] outputs for the associated receive channels follow both the falling and

rising edges of the associated RXCLKx± clock outputs.

When BIST is enabled on the receive channel, the RXDx[1:0] and BISTSTx

outputs present the BIST status. See Table 5, “Receive BIST Status Bits,” on

page 17 for each status that the BIST state machine reports. Also, while BIST is

enabled, ignore the RXDx[9:2] outputs.

BISTSTA

BISTSTB

BISTSTC

BISTSTD

LVTTL Output,

synchronous to the

RXCLKx± output

BIST Status Output.When RXBISTx[1:0] = 10, BISTSTx (along with RXDx[1:0])

displays the status of the BIST reception. See Table 5, “Receive BIST Status Bits,”

on page 17 for the BIST status for each combination of BISTSTx and RXDx[1:0].

When RXBISTx[1:0] ≠10, ignore BISTSTx.

REPDOA

REPDOB

REPDOC

REPDOD

Asynchronous to

reclocker output

channel

enable / disable

Reclocker Powered Down Status Output.REPDOx asserts HIGH when the

associated channel’s reclocker output logic powers down. This occurs when

disabling ROE2x and ROE1x by setting ROE2x = 0 and ROE1x = 0.

Receive Path Clock Signals

TRGCLKA±

TRGCLKB±

TRGCLKC±

TRGCLKD±

Differential LVPECL or

single-ended

LVTTL input clock

CDR PLL Training Clock. The frequency detector (Range Controller) of the

associated receive PLL uses the TRGCLKx± clock inputs as the reference source

to reduce PLL acquisition time.

In the presence of valid serial data, the recovered clock output of the receive CDR

PLL (RXCLKx±) has no frequency or phase relationship with TRGCLKx±.

When a single-ended LVCMOS or LVTTL clock source drives the clock, connect

the clock source to either the true or complement TRGCLKx input, and leave the

alternate TRGCLKx input open (floating). When an LVPECL clock source drives

it, the clock must be a differential clock, using both inputs.

RXCLKA±

RXCLKB±

RXCLKC±

RXCLKD±

LVTTL Output Clock Receive Clock Output. RXCLKx± is the receive interface clock that controls

timing of the RXDx[9:0] parallel outputs. These true and complement clocks

control timing of data output transfers. These clocks output continuously at either

the half-character rate (1/20 the serial bit-rate) or character rate (1/10 the serial

bit-rate) of the data being received, as selected by RXRATEx.

RECLKOA

RECLKOB

RECLKOC

RECLKOD

LVTTL Output Reclocker Clock Output. The associated reclocker output PLL synthesizes the

RECLKOx output clock, which operates synchronous to the internal recovered

character clock. RECLKOx operates at either the same frequency as RXCLKx±

(RXRATEx = 0), or at twice the frequency of RXCLKx± (RXRATEx = 1). The

reclocker clock outputs have no fixed phase relationship to RXCLKx±.

Device Control Signals

RESET LVTTL Input,

asynchronous,

internal pull up

Asynchronous Device Reset. RESET initializes all state machines, counters,

and configuration latches in the device to a known state. RESET must assert LOW

for a minimum pulse width. When the reset is removed, all state machines,

counters and configuration latches are at an initial state. According to the JTAG

specifications, the device RESET cannot reset the JTAG controller. Therefore, the

JTAG controller has to be reset separately. Refer to “JTAG Support” on page 17

for the methods to reset the JTAG state machine. See Table 3, “Device Configu-

ration and Control Latch Descriptions,” on page 14 for the initialize values of the

device configuration latches.

[+] Feedback

CYV15G0404RB

Document #: 38-02102 Rev. *C Page 9 of 27

LDTDEN LVTTL Input,

internal pull up Level Detect Transition Density Enable. When LDTDEN is HIGH, the Signal

Level Detector, Range Controller, and Transition Density Detector are all enabled

to determine if the RXPLL tracks TRGCLKx± or the selected input serial data

stream. If the Signal Level Detector, Range Controller, or Transition Density

Detector are out of their respective limits while LDTDEN is HIGH, the RXPLL locks

to TRGCLKx± until they become valid. The SDASEL[A..D][1:0] inputs configure

the trip level of the Signal Level Detector. The Transition Density Detector limit is

one transition in every 60 consecutive bits. When LDTDEN is LOW, only the

Range Controller determines if the RXPLL tracks TRGCLKx± or the selected input

serial data stream. Set LDTDEN = HIGH.

ULCA

ULCB

ULCC

ULCD

LVTTL Input,

internal pull up Use Local Clock. When ULCx is LOW, the RXPLL locks to TRGCLKx± instead

of the received serial data stream. While ULCx is LOW, the LFIx for the associated

channel is LOW, indicating a link fault.

When ULCx is HIGH, the RXPLL performs Clock and Data Recovery functions on

the input data streams. This function is used in applications that need a stable

RXCLKx±. When valid data transitions are absent for a long time, or the high-gain

differential serial inputs (INx±) are left floating, the RXCLKx± outputs may briefly

be different from TRGCLKx±.

SPDSELA

SPDSELB

SPDSELC

SPDSELD

3-Level Select[2]

static control input Serial Rate Select. The SPDSELx inputs specify the operating signaling-rate

range of each channel’s receive PLL.

LOW = 195–400 MBd

MID = 400–800 MBd

HIGH = 800–1500 MBd.

INSELA

INSELB

INSELC

INSELD

LVTTL Input,

asynchronous Receive Input Selector. The INSELx input determines which external serial bit

stream passes to the receiver’s Clock and Data Recovery circuit. When INSELx

isHIGH, thePrimaryDifferentialSerial DataInput,INx1±, is theassociatedreceive

channel. When INSELx is LOW, the Secondary Differential Serial Data Input,

INx2±, is the associated receive channel.

LFIA

LFIB

LFIC

LFID

LVTTL Output,

asynchronous Link Fault Indication Output. LFIx is an output status indicator signal. LFIx is the

logical OR of six internal conditions. LFIx asserts LOW when any of the following

conditions is true:

• Received serial data rate is outside expected range

• Analog amplitude is below expected levels

• Transition density is lower than expected

• Receive is channel disabled

•ULCx

is LOW

• TRGCLKx± is absent.

Device Configuration and Control Bus Signals

WREN LVTTL input,

asynchronous,

internal pull up

Control Write Enable. The WREN input writes the values of the DATA[7:0] bus

into the latch specified by the address location on the ADDR[3:0] bus.[3]

ADDR[3:0] LVTTL input

asynchronous,

internal pull up

Control Addressing Bus. The ADDR[3:0] bus is the input address bus that

configures the device. The WREN input writes the values of the DATA[7:0] bus

into the latch specified by the address location on the ADDR[3:0] bus.[3] Table 3,

“DeviceConfiguration and ControlLatchDescriptions,”onpage 14lists the config-

uration latches within the device, and the initialization value of the latches when

RESET is asserted. Table 4, “Device Control Latch Configuration Table,” on

page 16 shows how the latches are mapped in the device.

Notes

2. Use 3-Level Select inputs for static configuration. These are ternary inputs that use logic levels of LOW, MID, and HIGH. To implement the LOW level, connect

directly to VSS (ground). To implement the HIGH level, connect directly to VCC (power). To implement the MID level, do not connect the input (leave floating),

which allows it to self bias to the proper level.

3. See “Device Configuration and Control Interface” on page 13 for detailed information about the operation of the Configuration Interface.

Pin Definitions (continued)

CYV15G0404RB Quad HOTLink II Deserializing Reclocker

Name IO Characteristics Signal Description

[+] Feedback

CYV15G0404RB

Document #: 38-02102 Rev. *C Page 10 of 27

DATA[7:0] LVTTL input

asynchronous,

internal pull-up

Control Data Bus. The DATA[7:0] bus is the input data bus that configures the

device. The WREN input writes the values of the DATA[7:0] bus into the latch

specified by address location on the ADDR[3:0] bus.[3] Table 3, “Device Configu-

ration and Control Latch Descriptions,” on page 14 lists the configuration latches

within the device, and the initialization value of the latches when RESET is

asserted. Table 4, “Device Control Latch Configuration Table,” on page 16 shows

the way the latches are mapped in the device.

Internal Device Configuration Latches

RXRATE[A..D] Internal Latch[4] Receive Clock Rate Select.

SDASEL[2..1][A..D]

[1:0] Internal Latch[4] Signal Detect Amplitude Select.

RXPLLPD[A..D] Internal Latch[4] Receive Channel Power Control.

RXBIST[A..D][1:0] Internal Latch[4] Receive BIST Disabled.

ROE2[A..D] Internal Latch[4] Reclocker Differential Serial Output Driver 2 Enable.

ROE1[A..D] Internal Latch[4] Reclocker Differential Serial Output Driver 1 Enable.

GLEN[11..0] Internal Latch[4] Global Latch Enable.

FGLEN[2..0] Internal Latch[4] Force Global Latch Enable.

Factory Test Modes

SCANEN2 LVTTL input,

internal pull down Factory Test 2. The SCANEN2 input is for factory testing only. Leave this input

as a NO CONNECT, or GND only.

TMEN3 LVTTL input,

internal pull down Factory Test 3. The TMEN3 input is for factory testing only. Leave this input as a

NO CONNECT, or GND only.

Analog I/O

ROUTA1±

ROUTB1±

ROUTC1±

ROUTD1±

CML Differential

Output Primary Differential Serial Data Output. The ROUTx1± PECL-compatible CML

outputs (+3.3V referenced) can drive terminated transmission lines or standard

fiber-optic transmitter modules, and must be AC-coupled for PECL-compatible

connections.

ROUTA2±

ROUTB2±

ROUTC2±

ROUTD2±

CML Differential

Output Secondary Differential Serial Data Output. The ROUTx2± PECL-compatible

CML outputs (+3.3V referenced) are capable of driving terminated transmission

lines or standard fiber-optic transmitter modules, and must be AC coupled for

PECL-compatible connections.

INA1±

INB1±

INC1±

IND1±

Differential Input Primary Differential Serial Data Input. The INx1± input accepts the serial data

stream for deserialization. The INx1± serial stream passes to the receive CDR

circuit to extract the data content when INSELx = HIGH.

INA2±

INB2±

INC2±

IND2±

Differential Input Secondary Differential Serial Data Input. The INx2± input accepts the serial

data stream for deserialization. The INx2± serial stream passes to the receiver

CDR circuit to extract the data content when INSELx = LOW.

JTAG Interface

TMS LVTTL Input,

internal pull up Test Mode Select. Controls access to the JTAG Test Modes. If TMS is HIGH for

>5 TCLK cycles, the JTAG test controller resets.

TCLK LVTTL Input,

internal pull down JTAG Test Clock.

Note

4. See Device Configuration and Control Interface for detailed information on the internal latches.

Pin Definitions (continued)

CYV15G0404RB Quad HOTLink II Deserializing Reclocker

Name IO Characteristics Signal Description

[+] Feedback

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