YUGE CLM920 TD3, Usage Manual

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CLM920 TD3 LTE Module Hardware Usage Guide
Shanghai Yuge Information Technology co., LTD - 26 -
82
，
83
，
84 , 113, 114,117,139-144

The module typically has an IO port level of 1.8V (in addition to the SIM, the SIM card
port level supports 1.8V and 3.0V).

This module defines the RESERVED and NC pins to be left floating and must not be
used.
Functional multiplexing
Pin Pin name
Mode 1
(default) Mode 2
(GPIO)
Mo
de 3 Functional
description
Whether
openLinux
can
be
opened
1
WAKEUP_IN WAKEUP_IN GPIO_25 NO
2 AP_READY AP_READY GPIO_10 NO
3 GPIO_1 GPIO_1 GPIO_42 NO
4 W_DISABLE W_DISABLE GPIO_11 YES
5
GPIO_2 GPIO_24
NO
6 NET_STATUS NET_STATUS GPIO_19 NO
7 VDD_EXT VDD_EXT
11 DBG_RXD DBG_RXD GPIO_09 NO
12 DBG_TXD DBG_TXD GPIO_08 NO
13 USIM_DET USIM_DET
SIM
14 USIM_VDD USIM_VDD
15 USIM_DATA USIM_DATA
16 USIM_CLK USIM_CLK
17 USIM_RST USIM_RST
116
MCLK MCLK
115
FORCE_USB_B
OOT FORCE_USB_B
OOT
20 RESET_N RESET_N
21 PWRKEY PWRKEY
24 PCM_IN PCM_IN GPIO_76 NO