Application Note
5 of 19
002-27376 Rev. *A
2021-06-15
Getting Started with CXPI Transceiver S6BT112A
S6BT112A CXPI transceiver
Table 2
S6BT112A pin functions
Pin
Pin name
I/O
Function
1
RXD
O
Receive UART data output pin
2
NSLP
I
Sleep control pin
‘
0
’
: Sleep mode
‘
1
’
: Normal mode / standby mode
3
CLK
I
For master node (SELMS =
‘
0
’
): Baud rate clock input pin
O
Slave node (SELMS =
‘1’): Baud rate
clock output pin
NSLP = HIGH: Decoding BUS clock output
NSLP = LOW: Bus clock output without decoding
4
TXD
I
Transmit UART data input pin
5
GND
–
Ground pin
6
BUS
I/O
Bus line input / output pin
7
BAT
–
Battery power input pin
8
SELMS
I
Master / slave switching pin
‘
0
’
: Master
‘
1
’
: Slave