Extension Pin Header For Modem; Table 16. Extension Pin Header For Modem - STMicroelectronics B-L462E-CELL1 User Manual

8.12

Extension pin header for modem

This connector is a 50-pin, 2.54-mm pitch male connector. It is used to connect the modem pins in LBAD0ZZ1SE.
Note that all signals that are started with FFU are not used with the current module version. Contact Murata to
discuss any options.
Connector
CN13
UM2743 - Rev 1
Table 16. Extension pin header for modem
Pin number
1
2
3
4
5
6
7
8
9
10
11
12
13
14 FFU_GNSS_CODES_IND
15
16 FFU_GNSS_EXT_LNA
17
18 FFU_GNSS_SFN_IND
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
Extension pin header for modem
Signal name
FFU_I2C0_SCL Audio codec I2C SCL
VDDIO_MDM
FFU_I2C0_SDA Audio codec I2C SDA
PMU_VBACKUP
VDD_MD
FFU_PSM_IND
NC_SIM_CLK SIM card signal clock
FFU_TX_IND
NC_SIM_RST
GND
NC_SIM_IO SIM card data input/output
NC_RST
VDD_SIM
NC_SIM_DETECT
FFU_CLKOUT
GND
NC_RST_IND
FFU_PCM_IN Audio PCM signal in
NC_UART0_RTS Modem UART0 RTS
FFU_PCM_OUT Audio PCM signal out
NC_UART0_CTS Modem UART0 CTS
FFU_PCM_FS
NC_UART0_TX
FFU_PCM_CLK Audio PCM signal clock
NC_UART0_RX
RFT_UART1_TX
GND
RFT_UART1_RX
NC_DWU
RFT_UART1_CTS Modem UART1 CTS
NC_HWU
RFT_UART1_RTS Modem UART1 RTS
UM2743
Function
Power
-
Power
-
-
SIM card reset
Power
Modem reset
Power
-
SIM card detect
-
Audio Codec clock
-
Power
-
-
Modem UART0 TX
Modem UART0 RX
Modem UART1 TX
Power
Modem UART1 RX
-
-
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