Data Sheet

Number Name PIN Function Remarks
1 MIC_BIAS
Analog
output
Microphone bias output
2 MIC_P
Analog
input
Microphone input
3 MIC_N
Analog
input
Common mode voltage
4 RESET reset Reset BT(High level reset)
5 PD4/RX Digital I/O SCL0/I2SCLK/PWM4/SSPCLK/URXD0/URXD1/ANTCTL0 /PDMCLK/PWM5/ADC0 UART_RX
6 PD7 Digital I/O SDA1/I2SDIN/PWM1/SSPDIN/UTXD0/UTXD1/ANTCTL1 /PDMDAT/PWM0/ADC3
7 PD6 Digital I/O SCL1/I2SDOUT/PWM0/SSPDOUT/URXD0/URXD1/CLKOUT/PDMCLK/PWM1/ADC2
8 PD5/TX Digital I/O SDA0/I2SFRM/PWM5/SSPCSN/UTXD0/UTXD1/ANTCTL0/PDMDAT/PWM4/ADC1 UART_TX
9 VCC Power 1.8V-4.3V， Recommend 3.3V
10 GND Power Simulated GND
11 NC NC NC
12 PC6 Digital I/O SCL1/I2SDOUT/PWM4/SSPDOUT/URXD0/URXD1/SWTCK/PDMCLK/PWM5
13 PC5 Digital I/O SDA0/I2SFRM/PWM5/SSPCSN/UTXD0/UTXD1/SWV/PDMDAT/PWM4
14 PA3 Digital I/O SDA1/I2SDIN/PWM3/SSPDIN/UTXD0/UTXD1/ANTCTL1/PD MDAT/PWM2
15 PA2 Digital I/O SCL1/I2SDOUT/PWM2/SSPDOUT/URXD0/URXD1/ANTCTL0 /PDMCLK/PWM3
16 PA1 Digital I/O SDA0/I2SFRM/PWM1/SSPCSN/UTXD0/UTXD1/ANTCTL0/PDMDAT/PWM0
17 PA0 Digital I/O SCL0/I2SCLK/PWM0/SSPCLK/URXD0/URXD1/CLKOUT/PDMCLK/PWM1
18 PA7 Digital I/O SDA1/I2SDIN/PWM1/SSPDIN/UTXD0/UTXD1/ANTCTL0/PDMDAT/PWM0
19 PA6 Digital I/O SCL1/I2SDOUT/PWM0/SSPDOUT/URXD0/URXD1/CLKOUT/PDMCLK/PWM1
20 PA4 Digital I/O SCL0/I2SCLK/PWM4/SSPCLK/URXD0/URXD1/CLKOUT/PDMCLK/PWM5
Connection status
indicator pin
21 PA5 Digital I/O SDA0/I2SFRM/PWM5/SSPCSN/UTXD0/UTXD1/ANTCTL1/PDMDAT/PWM4
22 GND Power GND
23 RFT Analog External RF antenna outlet pin
The default is the
PCB antenna
TPL3132 DataSheet
5