AT89C51CC03C-RLTIM 查看數據表（PDF） - Atmel Corporation

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AT89C51CC03C-RLTIM

Enhanced 8-bit MCU with CAN Controller and Flash Memory

Atmel Corporation 

Table 9. Pin Conditions in Special Operating Modes

Mode

Port 0

Port 1

Port 2

Port 3

Reset

Idle

(internal

code)

Idle

(external

code)

Floating

Data

Floating

High

Data

Data

High

Data

Data

High

Data

Data

Power-

Down(inter

nal code)

Power-

Down

(external

code)

Data

Floating

Data

Data

Data

Data

Data

Data

Port 4

High

Data

Data

Data

Data

ALE

High

High

PSEN#

High

High

High

High

Low

Low

Low

Low

36 AT89C51CC03

4182K–CAN–05/06

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