Huawei ME909 Series Hardware Manual page 14

HUAWEI ME909 Series LTE LGA Module
Hardware Guide
Figure 3-2 Appearance of ME909 series module (without label)
Table 3-1 shows the definitions of pins on the 145-pin signal interface of the ME909
module.
Table 3-1 Definitions of pins on the LGA interface
PIN
Pin Name
No.
Normal
1 UART1_TX
2 UART1_RTS
3 UART1_CTS
4 UART1_RX
5 PCM_SYNC
6 PCM_DIN
7 PCM_DOUT
8 PCM_CLK
9 Reserved
10 Reserved
11 WAKEUP_IN
12 VBAT
13 VBAT
Issue V0.3 (2013-05-21)
I/O Description
MUX
- O UART1 transmit output
- O UART1 Ready for
receive
- I UART1 Clear to Send
- I UART1 receive data
input
- O PCM interface sync
- I PCM interface data in
- O PCM interface data out
- O PCM interface clock
- - Reserved, must keep
this pin open
- - Reserved, must keep
this pin open
- I Host to set the module
into sleep or wake up
the module from sleep.
- P Power supply input
- P Power supply input
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Description of the Application Interfaces
DC Characteristics (V)
Min. Typ.
–0.3
1.8
–0.3
1.8
–0.3
1.8
–0.3
1.8
–0.3
1.8
–0.3
1.8
–0.3
1.8
–0.3
1.8
- -
- -
–0.3
1.8
3.3 3.8
3.3 3.8
Max.
2.1
2.1
2.1
2.1
2.1
2.1
2.1
2.1
-
-
2.1
4.2
4.2
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