AT89LP51RB2 datasheet(74/254 Pages) ATMEL

tên linh kiện	AT89LP51RB2

Giải thích chi tiết về linh kiện	8-bit Microcontroller Compatible with 8051 Products

PDF	254 Pages

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nhà sản xuất	ATMEL [ATMEL Corporation]

Trang chủ	http://www.atmel.com

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3722A–MICRO–10/11

AT89LP51RB2/RC2/IC2 Preliminary

Table 12-6.

Pin Function Configurations for Port x Pin y

PxM0.y

PxM1.y

Px.y

I/O Mode

bidirectional (internal pull-up)

output

input

bidirectional (external pull-up)

Table 12-7.

Port Pin Alternate Functions

Port Pin

Configuration Bits

Alternate

Function

Notes

PxM0.y

PxM1.y

P0.0

P0M0.0

P0M1.0

AD0

Automatic configuration

ADC0

input-only

P0.1

P0M0.1

P0M1.1

AD1

Automatic configuration

ADC1

input-only

P0.2

P0M0.2

P0M1.2

AD2

Automatic configuration

ADC2

input-only

P0.3

P0M0.3

P0M1.3

AD3

Automatic configuration

ADC3

input-only

P0.4

P0M0.4

P0M1.4

AD4

Automatic configuration

ADC4

input-only

P0.5

P0M0.5

P0M1.5

AD5

Automatic configuration

ADC5

input-only

P0.6

P0M0.6

P0M1.6

AD6

Automatic configuration

ADC6

input-only

P0.7

P0M0.7

P0M1.7

AD7

Automatic configuration

ADC7

input-only

P1.0

P1M0.0

P1M1.0

OSCB must be disabled or in

internal oscillator mode

(AT89LP51IC2)

GPI0

XTAL1B

P1.1

P1M0.1

P1M1.1

T2EX

REMAP = 0

GPI1

P1.2

P1M0.2

P1M1.2

ECI

GPI2

P1.3

P1M0.3

P1M1.3

CEX0

GPI3

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