LG LCWB-002, User Manual, Page: 3 / 14

USER MANUAL
PAGE :
REG. DATE : 2021. 07. 07
MODEL NAME :
LCWB-002
REV. NO : v1.0
3 / 10
REV. DATE : 2021. 07. 07
LG Innotek Confidential : This document is protected by security policies and laws.
[Restricted]
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
3.3V 1.8V
pSRAM 4MB