UPSD3422_V01 datasheet(85/300 Pages) STMICROELECTRONICS

85 / 300 page

Obsolete

Product(s)

- Obsolete

Product(s)

Obsolete

Product(s)

- Obsolete

Product(s)

UPSD3422, UPSD3433, UPSD3434, UPSD3454

I/O ports of mcu module

85/300

R,W

GPIO

SPI Transmit, SPITXD

ADC Chn 6 input, ADC6

R,W

GPIO

SPI Select, SPISEL_

ADC Chn 7 input, ADC7

Table 46.

P4SFS0: Port 4 special function select 0 register (SFR 92h, reset value

00h)

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

P4SF07

P4SF06

P4SF05

P4SF04

P4SF03

P4SF02

P4SF01

P4SF00

Table 47.

P4SFS1: Port 4 special function select 1 register (SFR 93h, reset value

00h)

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

P4SF17

P4SF16

P4SF15

P4SF14

P4SF13

P4SF12

P4SF11

P4SF10

Table 48.

P4SFS0 and P4SFS1 details

Port 4 pin

R/W

Default port function

Alternate 1 port function Alternate 2 port function

P4SFS0[i] = 0

P4SFS1[i] = x

P4SFS0[i] = 1

P4SFS1[i] = 0

P4SFS0[i] = 1

P4SFS1[i] = 1

Port 4 Pin, i = 0.. 7

R,W

GPIO

PCA0 Module 0, TCM0

Timer 2 count input, T2

R,W

GPIO

PCA0 Module 1, TCM1

Timer 2 trigger input, TX2

R,W

GPIO

PCA0 Module 2, TCM2

UART1 Receive, RXD1

R,W

GPIO

PCA0 ext clock, PCACLK0

UART1 Transmit, TXD1

R,W

GPIO

PCA1 Module 3, TCM3

SPI Clock, SPICLK

R,W

GPIO

PCA1 Module 4, TCM4

SPI Receive, SPIRXD

R,W

GPIO

PCA1 Module 5, TCM5

SPI Transmit, SPITXD

R,W

GPIO

PCA1 ext clock, PCACLK1

SPI Select, SPISEL_

Table 45.

P1SFS0 and P1SFS1 details (continued)

Port 1 Pin

R/W

Default port

function

Alternate 1 port

function

Alternate 2 port

function

P1SFS0[i] = 0

P1SFS1[i] = x

P1SFS0[i] = 1

P1SFS1[i] = 0

P1SFS0[i] = 1

P1SFS1[i] = 1

Port 1 Pin, i = 0.. 7

Obsolete

Product(s)

- Obsolete

Product(s)

UPSD3422 Datasheet(PDF) 85 Page - STMicroelectronics

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