Cypress Semiconductor GX3 EEPROM Montageanleitung

GX3 EEPROM Programming User Guide

GX3 EEPROM Programming

User Guide

GX3 EEPROM Programming User Guide

Table of Contents

1. Introduction............................................................................................4

2. EEPROM Memory Map........................................................................4

2-1. EEPROM Format..............................................................................................4

2-2. Internal Memory Default Settings ....................................................................6

2-3. Recommended EEPROM Settings...................................................................7

2-4. EEPROM User-defined Fields Notes...............................................................9

3. GX3 EEPROM Programming Tool...................................................15

3-1. Files Description.............................................................................................15

3-2. How to Run the EEPROM Programming Tool on Windows 7/8 or Vista

platform......................................................................................................................16

3-3. GX3 EEPROM Programming ........................................................................18

3-3-1. Function Description................................................................................18

3-3-2. Tool Usage Procedures............................................................................20

3-3-3. How to Load Recommended SROM Data File.........................................24

3-3-4. How to Convert SROM Data File to Binary File.....................................27

4. Windows Production Test Tool ..........................................................29

4-1. Files Description.............................................................................................30

4-2. How to Run Windows Production Test Tool on Windows 7/8 or Vista

platforms....................................................................................................................31

4-3. Function Description.......................................................................................32

4-3-1. Test Tab ....................................................................................................34

4-3-2. EEPROM Tab...........................................................................................35

4-3-3. Settings Tab ..............................................................................................38

4-3-4. Log Tab.....................................................................................................41

4-4. Tool Usage Procedures...................................................................................42

4-4-1. Windows Production Server Program Setting .........................................42

4-4-2. Windows Production Test Program Setting.............................................43

4-5. How to Run Windows Production Test Tool If I Have My Own VID/PID?.47

4-6. Skip to Program EEPROM again on Windows Production Test Tool...........48

5. GX3 EEPROM FAQs ..........................................................................49

5-1. The Vendor ID (VID) and Product ID (PID) .................................................49

5-1-1. Do we need to register our own VID/PID for our GX3 based application

systems or can we use the Cypress VID/PID? .........................................49

5-1-2. How to register a Vendor ID from USB-IF?............................................50

5-2. The MAC address...........................................................................................50

GX3 EEPROM Programming User Guide

5-2-1. Do I have to assign a unique MAC address to every GX3 based devices?50

5-2-2. How to register a MAC/Ethernet address from IEEE-SA?......................50

5-3. The Serial Number..........................................................................................50

5-3-1. Do I have to assign a unique serial number to every GX3 based devices?50

GX3 EEPROM Programming User Guide

1. Introduction

This user guide provides the information about how to program EZ-USB GX3 EEPROM

2. EEPROM Memory Map

2-1. EEPROM Format

The following tables show portions of GX3 EEPROM format.

The EEPROM used for GX3 based applications should be a serial EEPROM (93C56 or 93C66)

with at least 128*16 bits of storage space for storing the hardware configuration data like USB

Device Descriptors, Node-ID, etc. GX3 driver/software can use the “Read EEPROM” and

“Write EEPROM”vendor commands to read/write the serial EEPROM in 16-bit data word.

During power on, the GX3 first checks if the EEPROM data is valid or not. If EEPROM data is

invalid, GX3 will auto-load the internal memory default settings inside chip hardware to

communicate with USB host controller during enumeration. The default settings inside chip

facilitate users to update the EEPROM content through a Windows PC during R&D validation

process or program a blank EEPROM during manufacturing process.

Please refer to Section 4 of GX3 datasheet for detailed description of the EEPROM contents.

GX3 EEPROM Programming User Guide

Note: The value of EEPROM Checksum field located at EEPROM offset 05h (low byte). The correct value must be

equal to (0xFF - SUM [EEPROM offset 03h ~ 04h]). If SUM [EEPROM offset 03h ~ 04h] has carry, please add ‘1’to

its result.

Table 1. Serial EEPROM Memory Map

GX3 EEPROM Programming User Guide

2-2. Internal Memory Default Settings

The GX3 internal memory default settings are fixed by hardware and can’t be modified.

Below table shows GX3’s internal memory default settings being used in the case of blank

EEPROM or EEPROM with wrong checksum value or 1st byte is “0xFF”on board.

Field Definition

Default Values

Description

Node ID

00 0E C6 F9 D0 00

Node ID 0 ~ 5

Product ID (PID)

10 36

PID of GX3

Vender ID (VID)

B4 04

Cypress VID

Flag - Remote Wakeup

and PME setting, etc.

Enable the “remote

wakeup” and Low Power

WOL function,

(Note 1)

Max Power for

Bus-powered

configuration

496mA for USB 3.0

248mA for USB 2.0

(Note 2)

Max Power for

Self-powered

configuration

8mA for USB 3.0

4mA for USB 2.0

(Note 2)

Length of Product

String

Product String Length

(Note 3)

Length of Manufacturer

String

Manufacturer String

Length (Note 3)

Product String

(Max. 12 bytes)

41 58 33 00 00 00 00 00 00 00 00 00

“GX3”

Manufacture String

(Max. 10 bytes)

43 79 70 72 65 73 73 00 00 00

“Cypress”

Fixed Pattern

40 4A 40 00 40 30 0D 49 90 41

Fixed pattern to be

written

Table 2. Internal Memory Default Settings Descriptions

GX3 EEPROM Programming User Guide

2-3. Recommended EEPROM Settings

Below table shows the typical EEPROM settings. For this kind of applications, the EEPROM

part, 93C56 with 128*16 bits of storage space is sufficient while 93C66 is also acceptable.

Each of the address offset contains 16-bit data from left to right representing the low-byte and

high-byte, respectively. For example, in offset address 0x08, the ‘80’is low-byte data and the

‘0B’is high-byte data.

Offset

Address

0x00

00 00

00 01

90 17

95 0B

B7 73

00 E0

3E 01

0x08

80 0B

09 04

0E 07

1A 10

26 0E

2D 16

41 58

38 38

0x10

31 37

39 00

00 00

0x18

00 00

41 53

49 58

20 45

6C 65

63 2E

20 43

0x20

6F 72

70 2E

00 00

30 30

0x28

30 30

30 31

05 0F

16 00

02 07

0x30

10 02

02 00

00 00

0A 10

03 00

0E 00

01 01

65 00

0x38

00 00

F3 FF

40 4A

40 00

40 30

0x40

0D 49

90 41

C1 BD

FF FF

0x48

FF FF

0x50

FF FF

0x58

FF FF

0x60

FF FF

0x68

FF FF

0x70

FF FF

0x78

FF FF

0x80~FF

FF FF

Table 3. Recommended EEPROM Settings

GX3 EEPROM Programming User Guide

Field Definition

Address

Offset

Default Values

Description

Node ID

00h ~02h

00 00 00 00 00 01

Node ID 0 ~ 5

(Note 1)

Product ID (PID)

03h

10 36

The PID of GX3 is 0x3610

Vender ID (VID)

04h

B4 04

CYPRESS’s VID is 0x04B4

Checksum

05h

(Low byte)

0xFF - SUM [EEPROM offset 03h ~

04h]

Flag

05h

(High byte)

Enable the “remote wakeup” and Low

Power WOL function

Max Power for

Bus Power

07h

(Low byte)

496mA for USB 3.0

248mA for USB 2.0

Max Power for

Self Power

07h

(High byte)

8mA for USB 3.0

4mA for USB 2.0

Length of Product

String

0Ah

(High byte)

Product String Length

Length of Manufacturer

String

0Bh

(High byte)

Manufacturer String Length

Length of Serial

Number String

0Ch

(High byte)

Serial Number String Length

Product String

(Max. 24 bytes)

0Eh~19h

41 58 33 00 00 00 00 00

00 00 00 00 00 00 00 00

“GX3”

Manufacture String

(Max. 24 bytes)

1Ah~25h

43 79 70 72 65 73 73 00

00 00 00 00 00 00 00 00

“Cypress.”

Serial Number String

(Max. 14 bytes)

26h~2Ch

30 30 30 30 30 30 30 30

30 30 30 30 30 31

“00000000000001”

LED Mode

42h

C1 BD

Refer to Note 7 in Section 2.5 for

details

Software Field

43h

FF FF

Refer to Note 10 in Section 2.5 for

details

Note 1: The Node ID field must be unique for each GX3 device.

Table 4. Recommended EEPROM Settings Descriptions

GX3 EEPROM Programming User Guide

2-4. EEPROM User-defined Fields Notes

Note 1: Node ID Settings

Every Ethernet device must have a unique MAC address. Users should always assign a

unique MAC address in the GX3 EEPROM for every GX3 based devices. Please refer to

Section 5-2 for details.

For example, if MAC address = 00-23-45-67-89-AB, then Node ID 0 = 00h, Node ID 1 =

23h, Node ID 2 = 45h, Node ID 3 = 67h, Node ID 4 = 89h, and Node ID 5 = ABh.

Note that the Node ID value cannot be set to multicast MAC address (i.e. the 1st bit of MAC

address is set to “1”). If the 1st byte of Node ID value of EEPROM was set to “0xFF”, the

GX3 will auto-detect the programmed EEPROM as blank EEPROM

Note 2: PID/VID/EEPROM Checksum Settings

Note the EEPROM Checksum field should be changed together with the VID/PID fields. The

value of EEPROM Checksum MUST be equal to (0xFF - SUM [EEPROM offset 03h ~ 04h]).

If SUM [EEPROM offset 03h ~ 04h] has carry, please add ‘1’to its result. Please refer to

Section 5-1 for details.

Note 3: Flag - Remote Wakeup Settings

The RWU bit of EEPROM offset 05h “Flag”field is used to configure the “bmAttributes”

field of Standard Configuration Descriptor that will be reported to the USB host controller

when the GET_DESCRIPTOR command with CONFIGURATION type is issued. Please

refer the “Section 9.6.3 Configuration”of Universal Serial Bus 3.0 Spec for the detailed

description of the “bmAttributes”field of Standard Configuration Descriptor.

The USB device power mode (bus-powered or self-powered) is decided by the SELF_PWR

pin when chip powers on. This will updated to the “bmAttributes”field of Standard

Configuration Descriptor.

GX3 EEPROM Programming User Guide

Note 4: Max Power Settings

The unit of EEPROM “Max. Power”fields is 8mA at super-speed mode and is 4mA at high-

speed mode.

The low byte of EEPROM offset 07h (for bus-powered) field and high byte of GX3

EEPROM offset 07h (for self-powered) field are used to configure the “bMaxPower”field of

Standard Configuration Descriptor that will be reported to the USB host controller when the

GET_DESCRIPTOR command with CONFIGURATION type is issued. These fields are

used to define the Maximum power consumption of the USB device drawn from the USB bus

in this specific configuration when the device is fully operational.

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