Gpio Multiplexing - Quectel FCM561D-P Hardware Design

3.3. GPIO Multiplexing

The module provides 44 GPIOs by default, and has up to 48 GPIOs in the case of multiplexing. Pins are defined as follows:
Table 6: GPIO Multiplexing
Multiplexing Function 0
Pin Name Pin No.
(GPIO No.)
GPIO0 40 GPIO0
GPIO1 39 GPIO1
GPIO2 21 GPIO2
GPIO3 20 GPIO3
GPIO4 19 GPIO4
GPIO5 18 GPIO5
GPIO6 60 GPIO6
GPIO7 59 GPIO7
GPIO8 41 GPIO8
FCM561D-P_Hardware_Design
Multiplexing Multiplexing
Function 1 Function 2
UART2_TXD I2C2_SCL
UART2_RXD I2C2_SDA
SPI2_CLK SDIO_CLK
SPI2_CS SDIO_CMD
SPI2_MOSI SDIO_DATA0
SPI2_MISO SDIO_DATA1
CLK26M_OUT PWM0
COEX_WIFI_
PWM1
ACTIVE
COEX_BT_
PWM2
ACTIVE
Wi-Fi&Bluetooth Module Series
Multiplexing Multiplexing
Function 3 Function 4
- -
- -
- -
- -
- -
- -
I2S_CLK -
I2S_SYNC -
I2S_DIN -
Multiplexing
Function 5
-
-
-
-
-
-
-
-
-
19 / 61