UPD75212ACW データシートの表示（PDF） - NEC => Renesas Technology

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UPD75212ACW

4-BIT SINGLE-CHIP MICROCOMPUTER

NEC => Renesas Technology 

Fig. 6-1 Interrupt Control Circuit Block Diagram

2

2

IM1 IM0

INT4

/P00

INT0

/P10

INT1

/P11

INT

BT

Both Edges

Detection

Circuit

Edge

*

Detection

Circuit

Edge

* Detection

Circuit

IRQBT

IRQ4

IRQ0

IRQ1

INTSIO

IRQSIO

INTT0

IRQT0

INTTPG

IRQTPG

INT2

/P12

INTKS

INTW

Rising Edge

Detection

Circuit

IRQKS

IRQW

IRQ2

Internal Bus

Interrupt Enable Flag (IE XXX)

* Noise eliminator

4

2

(IME) IPS

IST

Decoder

VRQn

Priority Control

Circuit

Vector

Table

Address

Generator

Circuit

Standby Release

Signal

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