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UPD75402ACT Datasheet(PDF) 21 Page - NEC

Part # UPD75402ACT
Description  4 BIT SINGLE-CHIP MICROCOMPUTER
PDF  48 Pages
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Manufacturer  NEC [NEC]
Direct Link  http://www.nec.com/
Logo NEC - NEC

UPD75402ACT Datasheet(HTML) 21 Page - NEC

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Fig. 6-1 Block Diagram of Interrupt Control Circuit
Notes 1. Noise eliminator using the sampling clock
2. Noise eliminator using analog delay
3
IM0
INT
BT
INTCSI
INT0/
P10
INT2/
P12
IRQBT
IRQ0
IRQCSI
IRQ2
Rising edge
detection
circuit
Interrupt enable flag (IE
×××)
IME
IST0
Decoder
VRQ1
VRQ2
VRQ3
Priority
control
circuit
Vector
table
address
generator
Standby release
signal
Edge
detection
circuit
Note 1
Note 2



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