UPD75068CUA データシートの表示（PDF） - NEC => Renesas Technology

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UPD75068CUA

4-BIT SINGLE-CHIP MICROCOMPUTER

NEC => Renesas Technology 

µPD75064, 75066, 75068, 75064(A), 75066(A), 75068(A)

Figure 6-1. Block Diagram of Interrupt Control Circuit

1

3

IM1

IM0

Internal bus

Interrupt enable flag (IExxx)

INT4

/P00

INT0

/P10

INT1

/P11

Note

INT

BT

Both-edge

detection

circuit

Edge

detection

circuit

Edge

detection

circuit

INTCSI

IRQBT

IRQ4

IRQ0

IRQ1

IRQCSI

INTT0

IRQT0

INTW

INT2

/P12

Rising edge

detection

circuit

AN4/KR0/P60

AN7/KR3/P63

Falling edge

detection

circuit

Selec-

tor

IRQW

IRQ2

IM2

Note Noise eliminator

IME

IST0

Decoder

VRQn

Priority

control

circuit

Vector

table

address

generator

Standby

release

signal

28

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