Reg. Date : 2021. 07. 07; Features; Block Diagram - LG LCWB-002 User Manual

REG. DATE : 2021. 07. 07

REV. DATE : 2021. 07. 07

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

ANT
LG Innotek Confidential : This document is protected by security policies and laws.
USER MANUAL
MODEL NAME : LCWB-002
RTL8720CM
(Real M300)
802.11 b/g/n
BLE4.2
ROM 384KB
MAC/BB
RAM 256KB
pSRAM 4MB
Clock (40MHz) LDO
MCU
Interface
Block
PMU
1.8V
DC-DC converter
3.3V
REV. NO : v1.0
PAGE : 3 / 10
SPI
JTAG
Flash
Memory
(8MB)
3.3V
5V / 12V
[Restricted]