STR720 datasheet(344/401 Pages) STMICROELECTRONICS

部件名	STR720

功能描述	ARM720T 16/32-BIT MCU WITH 16K RAM, USB, CAN, 3 TIMERS, ADC, 6 COMMUNICATIONS INTERFACES

PDF	401 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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344 / 401 page

STR720 - GENERAL PURPOSE I/O PORTS

344/401

The Figure 62 on page 344 shows the basic structure of the General Purpose IO Port bit.

Table 72. Port Bit Configuration Table

(*) refer to the device electrical characteristics

The configuration PC0(n)-PC1(n)-PC2(n)=000 is Reserved and the user should not use it. In this config-

uration the correspondent pin enters the High Impedance state.

The configuration PC0(n)PC1(n)PC2(n)=100 and 010 configure the correspondent pin in the same state:

Input, Tristate, CMOS.

Figure 62. Basic Structure of an I/O Port Bit

PC0(n)

010

PC1(n)

110

PC2(n)

001

P(n) Configuration

RE-

SERV

INOUT

OUT

P(n) Output

TRI

P(n) Input

CMOS

Notes:

Hi: High impedance

OD: Open Drain

AIN: Analog Input

PP: Push-Pull

IN: Input

WP: Weak Push-Pull

OU: Output

TRI: Tristate

INOUT: Bidirectional

CMOS: CMOS Standard Input(*)

AF: Alternate Function

I/O PIN

Alternate Function (OUT)

Alternate Function (IN)

Push-Pull

Tristate

Open Drain

Weak Push-Pull

CMOS

STR720 数据表(PDF) 344 Page - STMicroelectronics

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