UPSD3422_06 Datasheet, PDF (77/293 Pages) STMicroelectronics – Turbo Plus Series Fast Turbo 8032 MCU with USB and Programmable Logic

uPSD34xx
I/O ports of mcu module
Table 36. P4SFS0 and P4SFS1 Details
Default Port Function
Alternate 1 Port
Function
Alternate 2 Port
Function
Port 4 Pin R/W
P4SFS0[i] = 0
P4SFS1[i] = x
P4SFS0[i] = 1
P4SFS1[i] = 0
P4SFS0[i] = 1
P4SFS1[i] = 1
Port 4 Pin, i = 0.. 7
Port 4 Pin, i = 0.. 7
Port 4 Pin, i = 0.. 7
0
R,W
1
R,W
2
R,W
3
R,W
4
R,W
5
R,W
6
R,W
7
R,W
GPIO
GPIO
GPIO
GPIO
GPIO
GPIO
GPIO
GPIO
PCA0 Module 0, TCM0 Timer 2 Count Input, T2
PCA0 Module 1, TCM1
Timer 2 Trigger Input,
TX2
PCA0 Module 2, TCM2 UART1 Receive, RXD1
PCA0 Ext Clock,
PCACLK0
UART1 Transmit, TXD1
PCA1 Module 3, TCM3 SPI Clock, SPICLK
PCA1 Module 4, TCM4 SPI Receive, SPIRXD
PCA1 Module 5, TCM5 SPI Transmit, SPITXD
PCA1 Ext Clock,
PCACLK1
SPI Select, SPISEL_
77/293