參數(shù)資料
型號: UPD75068
廠商: NEC Corp.
英文描述: 4-BIT SINGLE-CHIP MICROCOMPUTER
中文描述: 4位單片機
文件頁數(shù): 28/68頁
文件大小: 640K
代理商: UPD75068
28
μ
PD75064, 75066, 75068, 75064(A), 75066(A), 75068(A)
Figure 6-1. Block Diagram of Interrupt Control Circuit
Internal bus
3
1
IRQBT
IRQ4
IRQ0
IRQ1
IRQCSI
IRQT0
IRQW
IRQ2
INT4
/P00
INT0
/P10
INT1
/P11
Note
INTCSI
INTT0
INTW
INT2
/P12
AN4/KR0/P60
AN7/KR3/P63
VRQn
IME
IST0
IM2
INT
BT
Interrupt enable flag (IExxx)
Both-edge
detection
circuit
Edge
detection
circuit
Rising edge
detection
circuit
Falling edge
detection
circuit
Selec-
tor
Decoder
Priority
control
circuit
Vector
table
address
generator
Standby
release
signal
IM0
IM1
Note
Noise eliminator
Edge
detection
circuit
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