Data Sheet

Table Of Contents
SPBT2632C2A Hardware specifications
Doc ID 022833 Rev 4 13/27
5.7 Pin assignment
Table 7. Pin assignment
Name Type Pin# Description ALT function
(1)
1. Please note that the usage of ALT function is dependant upon the firmware that is loaded into the module,
and is beyond the scope of this document. The AT command interface uses the main UART by default.
5 V
tolerant
UART interface
RXD I 13 Receive data ADC 3 Y
TXD O 14 Transmit data ADC 2 Y
RTS O 12 Request to send (active low)
ADC 0 I
2
C clock/aux UART
Rx
Y
CTS I 11 Clear to send (active low)
ADC 1 I
2
C data/aux UART
Tx
Y
Boot loader
Boot 0 I 9 Boot 0
Power and ground
Vin 8 V
in
GND 7 GND
Reset
RESETN I 10 Reset input (active low for 5 ms)
2.5 V
max.
LPO
LPO I 15 LPO input
GPIO - general purpose input/output
GPIO [1] I/O 1 General purpose input/output SPI MISO Y
GPIO [2] I/O 2 General purpose input/output SPI MOSI/I2S_SD Y
GPIO [3] I/O 3 General purpose input/output SPI SCLK/I2S_CK Y
GPIO [4] I/O 4 General purpose input/output SPI SS/I2S_WS Y
GPIO [5] I/O 5 General purpose input/output Y
GPIO [6] I/O 6 General purpose input/output DAC Y
GPIO [7] I/O 16 General purpose input/output ADC 4 Y