Yuga CLM920_AC3, Usage Manual

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CLM920_AC3 Module Hardware Usage Guide
Shanghai Yuge Information Technology co., LTD - 15 -
configurable, no
need
37 WLAN_CLK_
EN DO OSC mode enable
38 WLAN_CLK_2
6M 26M clock External 26M clock
39 WLAN_PDN DO WLAN power down mode Active low
40 WLAN_DCEN DO External LDO enable control Active high
ADC interface
Pin
Definition IO Functional description Remarks
44 ADC1 AI 12bits resolution universal
analog to digital conversion Input range 0~1.3V
45 ADC0 AI 12bits resolution universal
analog to digital conversion Input range 0~1.3V
RF interface
Pin
Definition IO Functional description Remarks
35 ANT_DIV AI Diversity antenna 50
Ω
characteristic
impedance
49 ANT_MAIN IO Main antenna 50
Ω
characteristic
impedance
RESERVED interface
Pin
Definition Functional description Remarks
3
，
18
，
23
，
43
，
47
，
55
，
66
，
73~84
，
113~144
RESERVED Reserved pin Please stay
vacant

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 pin as a reserved pin. It is recommended to be
suspended and must not be used.
。