STR710FZ1T6 datasheet(24/74 Pages) STMICROELECTRONICS

24 / 74 page

Introduction

STR71xF

24/74

20 G2

P0.15/

WAKEUP

ITT XX

Port 0.15 Wakeup from Standby mode input.

Note: This port is input only.

21 G3 RTCXTI

Realtime Clock input and input of 32 kHz oscillator

amplifier circuit

22 H4 RTCXTO

Output of 32 kHz oscillator amplifier circuit

F3 STDBY

I/O

4mA

Input: Hardware Standby mode entry input active

low.

Caution: External pull-up to V33 required to select

normal mode.

Output: Standby mode active low output following

Software Standby mode entry.

Note: In Standby mode all pins are in high

impedance except those marked Active in Stdby.

24 G4 RSTIN

ICT

Reset input

25 H5 VSSBKP

Stabilization for low power voltage regulator.

F4 V18BKP

Stabilization for low power voltage regulator.

Requires external capacitors of at least 1µF

between V18BKP and VSS18BKP. See Figure 5.

Note: If the low power voltage regulator is

bypassed, this pin can be connected to an external

1.8V supply.

27 G5 V18

Stabilization for main voltage regulator. Requires

external capacitors of at least 10µF + 33nF

between V18 and VSS18. See Figure 5.

28 H6 VSS18

Stabilization for main voltage regulator.

E4 VDDA

Supply voltage for A/D Converter

30 G6 VSSA

Ground voltage for A/D Converter

P1.0/T3.OCM

PB/AIN.0

I/O

4mA

Port 1.0

Timer 3: Output

Compare B

ADC: Analog input 0

32 H7

P1.1/T3.ICAP

A/T3.EXTCLK

/AIN.1

I/O

4mA

Port 1.1

Timer 3: Input

Capture A or

External Clock

input

ADC: Analog input 1

33 H8

P1.2/T3.OCM

PA/AIN.2

I/O

4mA

Port 1.2

Timer 3: Output

Compare A

ADC: Analog input 2

34 G8

P1.3/T3.ICAP

B/AIN.3

I/O

4mA

Port 1.3

Timer 3: Input

Capture B

ADC: Analog input 3

P1.4/T1.ICAP

A/T1.EXTCLK

I/O

4mA

Port 1.4

Timer 1: Input

Capture A

Timer 1: External

Clock input

Table 6.

STR711/STR712/STR715 Pin Description

Pin n°

Pin Name

Input

Output

Main

function

(after

reset)

Alternate function

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