Yuga CLM920, Hardware User'S Manual

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23 PERn0 UART_CTS DI UART sending clear
24 3.3Vaux VBAT PI Power input
25 PERp0 UART_RTS DO UART requests sending
26 GND GND GND
27 GND GND GND
28 1.5V ONOFF AI Power on Low level effective
29 GND GND GND
30 SMB_CLK NC
31 PETn0 NC
32 SMB_DATA WAKEUP_OUT DO Module wakeup host
33 PETp0 NC
34 GND GND GND
35 GND GND GND
36 USB_D- USB_DM IO USB differential signal-
37 GND GND GND
38 USB_D+ USB_DP IO USB differential
39 3.3Vaux VBAT PI Power input
40 GND GND GND
41 3.3Vaux VBAT PI Power input
42 LED_WWAN# LED_WWAN OC LED indicator
43 GND GND GND
44 LED_WLAN# UIM_DET DI SIM Hot plug detection
45 RESERVED PCM_CLK DO PCM Clock pulse
46 LED_WPAN# LED OC LED indicator
47 RESERVED PCM_DOUT DO PCM sending data
48 1.5V NC
49 RESERVED PCM_DIN DI PCM receiving data
50 GND GND GND
51 RESERVED PCM_SYNC DO PCM Frame synchronization signal
52 3.3Vaux VBAT PI Power input
NOTE:

The IO interface level of module is 1.8V (SIM interface level supports 1.8V and 3.3V)

The RESEVERED and NC PIN is suspended
3.3 Power interface
The power interface includes two parts:

VBAT for module power supply

USIM_PWR for SIM power supply
Power PIN definition
PIN Name I/0 Definition Min Voltage Typical Voltage Max Voltage
2/24/39/41/52 VBAT PI Module power 3.3 3.7 4.2