LG LCWB-002 Bedienungsanleitung

User manual

PRODUCT NAME : Wi-Fi / BLE + MCU Module

MODEL NAME : LCWB-002

The information contained herein is the exclusive property of LG and shall

not be distributed, reproduced or disclosed in whole or no in part without

prior written permission of LG.

H/W version : V1.0

S/W version : V1.0

USER MANUAL

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MODEL NAME : LCWB-002

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Table of Contents

No Description Page

1 Features 3

2 Block Diagram 3

3 Absolute Maximum Ratings 4

4 Operating Test Conditions 4

5 Electrical Characteristics 5

6 Pin Description 9

7 Outline Drawing 10

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1. Features

LCWB-002 is the module for IEEE 802.11b/g/n wireless LAN + BLE4.2 + MCU.

LCWB-002 is based on Realtek RTL8720CM solution.

IEEE 802.11 b/g/n HT20 single band WLAN infra-structure

Bluetooth Low Energy 4.2 (BLE4.2)

Size : 20 mm x 45 mm x 7.9 mm

Auto-calibration (RF, Crystal)

Data rates up to 72.2Mbps PHY rate

SPI interface

Integrated IPv4/IPv6 TCP/IP stack

Integrated Network services such as HTTP, DNS, FTP

Security : WFA, WPA, WPA2, WEP, WAPI, TKIP

Application : Home Appliance

2. Block Diagram

RTL8720CM

Interface

Block

MCU

(Real M300)

Clock (40MHz)

ANT

ROM 384KB

DC-DC converter 5V / 12V

3.3V

802.11 b/g/n

BLE4.2

MAC/BB Flash

Memory

(8MB)

RAM 256KB

PMU

SPI

JTAG

LDO

3.3V1.8V

pSRAM 4MB

USER MANUAL

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Parameter Min Max Unit

Storage Temperature -40 +100 ℃

Storage Humidity (@ 40℃)-90 %

Caution : The specifications above the Table define levels at which permanent damage

to the device can occur. Function operation is not guaranteed under these conditions.

Operating at absolute maximum conditions for extend periods can adversely affect the

long-term reliability of the device.

•Other conditions

1) Do not use or store modules in the corrosive atmosphere, especially where chloride

gas, sulfide gas, acid, alkali, salt or the like are contained

Also, avoid exposure to moisture

2) Store the modules where the temperature

and relative humidity do not exceed 5 to 40℃and 20 to 60%

3) Assemble the modules within 6 months

Check the soldering ability in case of 6 months over

3. Absolute Maximum Ratings

Parameter Min Typ Max Unit

Operating Temperature 0 - +85 ℃

Operating Humidity (40℃)- - 85 %

Supply Voltage

4.5 5.0 5.5

Vdc

10.8 12 13.2

4. Operating Test Conditions

1) Test condition : AP connection Ping test mode(not continuous Tx and T-Put mode)

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Items Contents

Specification IEEE802.11b

Mode DSSS / CCK

Channel frequency 2400 ~ 2483MHz

Data rate 1, 2, 5.5, 11Mbps

TX Characteristics Min. Typ. Max. Unit

Power Level 14 17 20 dBm

Spectrum Mask

1st side lobes ( to fc ±11MHz) - - -30 dBr

2nd side lobes ( to fc ±22MHz) - - -50 dBr

Modulation Accuracy (EVM) - - 35 %

Power On/Off ramp - - 2.0 usec

Freq. Tolerance -25 -25 ppm

Chip Clock Freq. Tolerance -25 -25 ppm

RX Characteristics Min. Typ. Max. Unit

Minimum Input Level Sens. (FER ≤ 8%) - - -76 dBm

Maximum Input Level (FER ≤ 8%) -10 - - dBm

5. Electrical Characteristics

5-1. RF Characteristics for IEEE802.11b (11Mbps mode unless otherwise specified)

* Normal Condition : 25℃, VDD=5V.

* RF characteristics is board limit. It can differ according to standards

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Items Contents

Specification IEEE802.11g

Mode OFDM

Channel frequency 2400 ~ 2483MHz

Data rate 6, 9, 12, 18, 24, 36, 48, 54Mbps

TX Characteristics Min. Typ. Max. Unit

Power Level 12 15 18 dBm

Spectrum Mask

at fc ±11MHz - - -20 dBr

at fc ±20MHz - - -28 dBr

at fc ≥ ±30MHz - - -40 dBr

Constellation Error (EVM) - - -25 dB

Freq. Tolerance -20 -20 ppm

Chip Clock Freq. Tolerance -20 -20 ppm

RX Characteristics Min. Typ. Max. Unit

Minimum Input Level Sens. (PER ≤ 10%) - - -65 dBm

Maximum Input Level (PER ≤ 10%) -20 - - dBm

5-2. RF Characteristics for IEEE802.11g (54Mbps mode unless otherwise specified)

* Normal Condition : 25℃, VDD=5V.

* RF characteristics is board limit. It can differ according to standards

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5-3. RF Characteristics for IEEE802.11gn (MCS7 mode unless otherwise specified)

* Normal Condition : 25℃, VDD=5V.

* RF characteristics is board limit. It can differ according to standards

Items Contents

Specification IEEE802.11n –2.4GHz

Mode OFDM

Channel frequency 2400 ~ 2483MHz

Data rate 6.5, 13, 19.5, 26, 39, 52, 58.5, 65Mbps

TX Characteristics Min. Typ. Max. Unit

Power Level (HT20 : MCS7) 11 14 17 dBm

Spectrum Mask (HT20)

at fc ±11MHz - - -20 dBr

at fc ±20MHz - - -28 dBr

at fc ±30MHz - - -40 dBr

Constellation Error (EVM) - - -28 dB

Freq. Tolerance -20 -20 ppm

Chip Clock Freq. Tolerance -20 -20 ppm

RX Characteristics Min. Typ. Max. Unit

Minimum Input Level Sens.

(HT20,PER ≤ 10%) - - -64 dBm

Maximum Input Level (PER ≤ 10%) -20 - - dBm

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5-4. RF Characteristics for BLE

* Normal Condition : 25℃, VDD=5V.

* RF characteristics is board limit. It can differ according to standards

TX characteristics Min. Typ. Max. Unit

Power level 1.5 4.5 7.5 dBm

Adjacent channel transmit power

@ F = F0 ±1MHz - - 0 dBr

@ F = F0 ±2MHz - - -30 dBr

@ F = F0 ±3MHz - - -40 dBr

@ F > F0 ±3MHz - - -40 dBr

Modulation characteristics –Frequency derivation

ΔF1AVG 140 -175 KHz

ΔF2MAX 115 - - KHz

ΔF2MAX / ΔF1AVG 80 - - %

RX characteristics Min. Typ. Max. Unit

Min. input level (BER ≤ 0.1%) - - -84 dBm

Max. input level (BER ≤ 0.1%) -20 - - dBm

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6. Pin Description

Pin No. Pin Name

1VDD

2 MODE

3 SPI_SCL

4 SPI_CSN

5 SPI_MISO

6 SPI_MOSI

7 STATUS

8 GND

< Top side > < Bottom side >

< Top side >

①

⑧

USER MANUAL

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7. Outline Drawing

Kap soul Lee

'21. 06. 22

Jae kil Jung

Seok dong Choi

'21. 06. 22

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