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GPIO6
33
GPIO7
34
GPIO8
32
GPIO9
35
GPIO21
22
UART1_RXD
30
UART1_TXD
31
GPIO22
23
GPIO28
6
GPIO20
5
GPIO24
13
GPIO26
12
NOTE
1.
All GPIO can be used as sleep interrupt to wake up the module which will immediately enter the
operating state after being awakened.
2.
The maximum number of each application interface multiplexed with GPIOs is not available
simultaneously. For more details, see Chapter 3.4.
3.4. Application Interfaces
3.4.1. UARTs
The module provides 2 UARTs by default which can all support full-duplex asynchronous serial
communication at a baud rate up to 6 Mbps.
Table 7: Pin Definition of UARTs
Pin Name
Pin No.
UART1_TXD
31
FGM842D_Hardware_Design
GPIO6
CLK13M
GPIO7
PWM1
GPIO8
PWM2
GPIO9
PWM3
GPIO21
-
GPIO10
ADC6
GPIO11
-
GPIO22
-
GPIO28
ADC4
GPIO20
ADC3
GPIO24
LPO_CLK
GPIO26
PWM5
I/O
DO
Wi-Fi&Bluetooth Module Series
PWM0
JTAG_TCK
JTAG_TMS
-
JTAG_TDI
CLK26M
JTAG_TDO
-
-
-
-
-
-
-
-
-
-
-
-
-
PWM4
I2C_SCL
I2C_SDA
ADC1
Description
UART1 transmit
-
-
-
-
-
-
-
-
-
-
ADC2
-
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