UPD75518 NEC, UPD75518 Datasheet - Page 132
UPD75518
Manufacturer Part Number
UPD75518
Description
4 BIT SINGLE-CHIP MICROCOMPUTER
Manufacturer
NEC
Datasheet
1.UPD75518.pdf
(180 pages)
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INT2/P12
KR7/P73
KR6/P72
KR5/P71
KR4/P70
KR3/P63
KR2/P62
KR1/P61
KR0/P60
Input buffer
Fig. 5-4 Configuration of INT2 and KR0 to KR7
Internal bus
IM2
4
Rising edge
detection
circuit
Falling edge
detection
circuit
Selector
INT2
(IRQ2 set signal)
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