4501 View Datasheet(PDF) - Renesas Electronics

Part Name

Description

Manufacturer

4501

SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER

Renesas Electronics 

4501 Group

Register A IAP0 instruction

Ai

(Note 2)

Ai

D

OP0A instruction T Q

Key-on wakeup input

K0i

“L” level

detection circuit

Pull-up transistor

PU0i (Note 2)

(Note 1)

P00, P01 (Note 4)

Register A IAP0 instruction

Aj

(Note 3)

Aj

D

OP0A instruction T Q

Key-on wakeup

K0j

“L” level detection

circuit

Pull-up transistor

PU0j (Note 3)

(Note 1)

P02, P03 (Note 4)

Notes 1:

This symbol represents a parasitic diode on the port.

2: i represents 0 or 1.

3: j represents 2 or 3.

4: Applied potential to port P0 must be VDD or less.

Port block diagram (2)

Rev.3.01 2005.02.07 page 9 of 112

REJ03B0104-0301

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