參數(shù)資料
型號: UPD75048
廠商: NEC Corp.
英文描述: 4-BIT SINGLE-CHIP MICROCOMPUTER
中文描述: 4位單片機(jī)
文件頁數(shù): 35/68頁
文件大?。?/td> 538K
代理商: UPD75048
3
μ
P
Fig. 7-1 Interrupt Control Circuit Block Diagram
2
1
3
IM2
IM1
IM0
IRQBT
IRQ4
IRQ0
IRQ1
IRQCSI
IRQT0
IRQMFT
IRQEE
IRQOW
IRQW
IRQ2
IM2
INT
BT
INT4
/P00
INT0
/P10
INT1
/P11
INTCSI
INTT0
INTMFT
INTEE
INTOW
INTW
KR0/P60
INT2
/ P12
KR7/P73
S
Edge
detection
circuit
Edcircuit
detection
circuit
Both edge
detection
Interrupt enable flag (IExxx)
Internal bus
IME
IST0
Decoder
VRQn
Priority control
circuit
Vector table
address
generator
Standby
release signal
*
: Noise elimination circuit
*
Rising edge
detection
circuit
Falling edge
detection
circuit
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