STMicroelectronics B-L462E-CELL1, Руководство пользователя, Страница: 29 / 58

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.
Table 16. Extension pin header for modem
Connector Pin number Signal name Function
CN13
1 FFU_I2C0_SCL Audio codec I2C SCL
2 VDDIO_MDM Power
3 FFU_I2C0_SDA Audio codec I2C SDA
4 PMU_VBACKUP -
5 VDD_MD Power
6 FFU_PSM_IND -
7 NC_SIM_CLK SIM card signal clock
8 FFU_TX_IND -
9 NC_SIM_RST SIM card reset
10 GND Power
11 NC_SIM_IO SIM card data input/output
12 NC_RST Modem reset
13 VDD_SIM Power
14 FFU_GNSS_CODES_IND -
15 NC_SIM_DETECT SIM card detect
16 FFU_GNSS_EXT_LNA -
17 FFU_CLKOUT Audio Codec clock
18 FFU_GNSS_SFN_IND -
19 GND Power
20 NC_RST_IND -
21 FFU_PCM_IN Audio PCM signal in
22 NC_UART0_RTS Modem UART0 RTS
23 FFU_PCM_OUT Audio PCM signal out
24 NC_UART0_CTS Modem UART0 CTS
25 FFU_PCM_FS -
26 NC_UART0_TX Modem UART0 TX
27 FFU_PCM_CLK Audio PCM signal clock
28 NC_UART0_RX Modem UART0 RX
29 RFT_UART1_TX Modem UART1 TX
30 GND Power
31 RFT_UART1_RX Modem UART1 RX
32 NC_DWU -
33 RFT_UART1_CTS Modem UART1 CTS
34 NC_HWU -
35 RFT_UART1_RTS Modem UART1 RTS
UM2743
Extension pin header for modem
UM2743 - Rev 1
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