UPSD3422_06 Datasheet, PDF (76/293 Pages) STMicroelectronics – Turbo Plus Series Fast Turbo 8032 MCU with USB and Programmable Logic

I/O ports of mcu module
uPSD34xx
Table 32.
Bit 7
P1SF17
P1SFS1: Port 1 Special Function Select 1 Register (SFR 8Fh, reset value
00h)
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
P1SF16 P1SF15 P1SF14 P1SF13 P1SF12 P1SF11 P1SF10
Table 33. P1SFS0 and P1SFS1 Details
Default Port Function
Alternate 1 Port
Function
Alternate 2 Port
Function
Port 1 Pin R/W
P1SFS0[i] = 0
P1SFS1[i] = x
P1SFS0[i] = 1
P1SFS1[i] = 0
P1SFS0[i] = 1
P1SFS1[i] = 1
Port 1 Pin, i = 0.. 7
Port 1 Pin, i = 0.. 7
Port 1 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
Timer 2 Count Input, T2
Timer 2 Trigger Input,
TX2
UART1 Receive, RXD1
UART1 Transmit, TXD1
SPI Clock, SPICLK
SPI Receive, SPIRXD
SPI Transmit, SPITXD
SPI Select, SPISEL_
ADC Chn 0 Input,
ADC0
ADC Chn 1 Input,
ADC1
ADC Chn 2 Input,
ADC2
ADC Chn 3 Input,
ADC3
ADC Chn 4 Input,
ADC4
ADC Chn 5 Input,
ADC5
ADC Chn 6 Input,
ADC6
ADC Chn 7 Input,
ADC7
Table 34.
Bit 7
P4SF07
P4SFS0: Port 4 Special Function Select 0 Register (SFR 92h, reset value
00h)
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
P4SF06 P4SF05 P4SF04 P4SF03 P4SF02 P4SF01 P4SF00
Table 35.
Bit 7
P4SF17
P4SFS1: Port 4 Special Function Select 1 Register (SFR 93h, reset value
00h)
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
P4SF16 P4SF15 P4SF14 P4SF13 P4SF12 P4SF11 P4SF10
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