Pin No

 讯号

 功能描述

 模块指示

 电压

1

 #WAKE

 Active low to wake up the host application

 Output

 +1.8V

2

 +3.3V

 Power supply

 Input

 +3.3 ± 0.3V

3

 Reserved

 Reserve for future   used

 Not connect

 -

4

 GND

 Ground

 Ground

 -

5

 Reserved

 Reserve for future   used

 Not connect

 -

6

 Reserved

 Reserve for future   used

 Not connect

 -

7

 Reserved

 Reserve for future   used

 Not connect

 -

8

 UIM_PWR

 SIM power supply

 Output

 +1.8V/+2.85V

9

 GND

 Ground

 Ground

 -

10

 UIM_DATA

 SIM data

 Input/Output

 +1.8V/+2.85V

11

 +1.8V

 Power supply to   host

 Output

 +1.8V

12

 UIM_CLK

 SIM clock

 Output

 +1.8V/+2.85V

13

 N/C 

 N/C

 N/C

 -

14

 UIM_RESET

 SIM reset

 Output

 +1.8V/+2.85V

15

 GND

 Ground

 Ground

 -

16

 N/C

 N/C

 N/C

 -

17

 N/C

 N/C

 N/C

 -

18

 GND

 Ground

 Ground

 -

19

 Reserved

 Reserve for future   used

 Not connect

 -

20

 N/C

 N/C

 N/C

 -

21

 GND

 Ground

 Ground

 -

22

 #PERST

 1. Active high to   turn  on   Module (+3.3V)

 2. Active low to   turn off Module (0V)

 Input

 +3.3V

23

 Reserved

 Reserve for future   used

 Not connect

 -

24

 +3.3V

 Power supply

 Input

 +3.3V

25

 Reserved

 Reserve for future   used

 Not connect

 -

26

 GND

 Ground

 Ground

 -

27

 GND

 Ground

 Ground

 -

28

 N/C

 N/C

 N/C

 -

29

 GND

 Ground

 Ground

 -

30

 N/C

 N/C

 N/C

 -

31

 Reserved

 Reserve for future   used

 Not connect

 -

32

 N/C

 N/C

 N/C

 -

33

 N/C

 N/C

 N/C

 -

34

 GND

 Ground

 Ground

 -

35

 GND

 Ground

 Ground

 -

36

 USB DN

 USB D-

 Input/Output

 +3.3 ± 0.3V

37

 GND

 Ground

 Ground

38

 USB DP

 USB D+

 Input/Output

 +3.3 ± 0.3V

39

 +3.3V

 Power supply

 Input

 +3.3 ± 0.3V

40

 GND

 Ground

 Ground

 -

41

 +3.3V

 Power supply

 Input

 +3.3 ± 0.3V

42

 #LED_WWAN

 Active low to show   module status

 Output (O.C)

 +3.3V

43

 GND

 Ground

 Ground

 -

44

 N/C

 N/C

 N/C

 -

45

 PCM_CLK

 Digital audio clock

 Output

 +1.8V

46

 N/C

 N/C

 N/C

 -

47

 PCM OUT

 Digital audio data   output

 Output

 +1.8V

48

 N/C

 N/C

 N/C

 -

49

 PCM IN

 Digital audio data   input

 Input

 +1.8V

50

 GND

 Ground

 Ground

 -

51

 PCM FSC

 Digital audio SYNC

 Output

 +1.8V

52

 +3.3V

 Power supply

 Input

 +3.3 ± 0.3V