STR710F datasheet(23/49 Pages) STMICROELECTRONICS

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STR71xF - INTRODUCTION

23/49

P1.4/T1.ICA-

PA/T1.EXT-

CLK

I/O pu

4mA X

Port 1.4

Timer 1: Input

Capture A

Timer 1: External Clock

input

P1.5/

T1.ICAPB

I/O pu

4mA X

Port 1.5

Timer 1: Input

Capture B

P1.6/T1.OC-

MPB

I/O pu

4mA X

Port 1.6

Timer 1: Output

Compare B

V33IO-PLL

Supply voltage for digital I/O circuitry and for PLL refer-

ence

VSSIO-PLL

Ground voltage for digital I/O circuitry and for PLL ref-

erence

P1.7/T1.OCM-

I/O pu

4mA X

Port 1.7

Timer 1: Output

Compare A

P1.8

I/O pd

4mA X

Port 1.8

P1.11/CANRX

I/O pu

CT X4mA X

Port

1.11

CAN: receive data input

Note: On STR710 and STR712 only

P1.12/CANTX

I/O pu

CT X4mA X

Port

1.12

CAN: Transmit data output

Note: On STR710 and STR712 only

USBDP

I/O

USB bidirectional data (data +). Reset state = HiZ

Note: On STR710 and STR711 only

This pin requires an external pull-up to V33 to maintain

a high level.

USBDN

I/O

USB bidirectional data (data -). Reset state = HiZ

Note: On STR710 and STR711 only.

VSS

Ground voltage for digital I/O circuitry

P1.9

I/O pd

4mA X

Port 1.9

P1.10/USB-

CLK

I/O pu C/T

4mA X

Port

1.10

USB: 48 MHZ

clock input

P1.13/HCLK/

I0.SCL

I/O pu

CT X4mA X

Port

1.13

HDLC: reference

clock input

I2C clock

P1.14/HRXD/

I0.SDA

I/O pu

CT X4mA X

Port

1.14

HDLC: Receive

data input

I2C serial data

P1.15/HTXD

I/O pu

CT X4mA X

Port

1.15

HDLC: Transmit data output

VSS

Ground voltage for digital I/O circuitry

V33

Supply voltage for digital I/O circuitry

P0.0/S0.MISO/

U3.TX

I/O pu

4mA X

Port 0.0

SPI0 Master in/

Slave out data

UART3 Transmit data

output

Note: Programming AF function selects

UART by default. BSPI must be enabled by

SPI_EN bit in the BOOTCR register.

Table 6. STR711/STR712/STR715 Pin Description

Pin n°

Pin Name

Input

Output

Main

function

(after

reset)

Alternate function

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