STR71XF datasheet(26/49 Pages) STMICROELECTRONICS

Part #	STR71XF

Description	ARM7TDMI 16/32-BIT MCU WITH FLASH, USB, CAN 5 TIMERS, ADC, 10 COMMUNICATIONS INTERFACES

PDF	49 Pages

Scroll/Zoom	100%

Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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26 / 49 page

STR71xF - INTRODUCTION

26/49

1.5 External Connections

Figure 5. Recommended External Connection of V18 and V18BKP pins

1.6 I/O Port Configuration

Table 7. Port Bit Configuration Table

Port Configuration

Registers (bit)

Values

PC0(n)

010

101

PC1(n)

110

011

PC2(n)

001

111

Configuration

HiZ/AIN

IPUPD

OUT

Output

TRI

Input

AIN

TTL

CMOS

N.A.

CMOS

Notes:

AF: Alternate Function

OD: Open Drain

AIN: Analog Input

OUT: Output

IPUPD: Input Pull Up /Pull Down

PP: Push-Pull

CMOS: CMOS Input levels

TRI: Tristate

HiZ: High impedance

TTL: TTL Input levels

IN: Input

WP: Weak Push-Pull

N.A. not applicable. In Output mode, a read access to the

port gets the output latch value).

TQFP144

TQFP64

129 128

33 nF

10 µF

33 nF

54 55

1µF

25 26

1µF

V18BKP

V18

V18BKP

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