參數(shù)資料
型號(hào): UPD753017A
廠商: NEC Corp.
元件分類(lèi): 4位微控制器
英文描述: 4-BIT SINGLE-CHIP MICROCONTROLLER FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTER
中文描述: 4位單片機(jī)的小型通用紅外遙控器
文件頁(yè)數(shù): 39/88頁(yè)
文件大?。?/td> 438K
代理商: UPD753017A
3
μ
P
D
Figure 7-1. Interrupt Control Circuit Block Diagram
Note
Noise elimination circuit (Standby release is disabled when noise elimination circuit is selected.)
Internal bus
Interrupt enable flag (IE
×××
)
IRQBT
IRQ4
IRQ0
IRQ1
IRQCSI
IRQT0
IRQT1
IRQT2
IRQW
IRQ2
INTCSI
INTT0
INTT1
INTT2
INTW
Both edge
detector
Edge
detector
Edge
detector
Selec-
tor
INT4/P00
INT0/P10
INT1/P11
INT2/P12
KR0/P60
KR3/P63
Rising edge
detector
Falling edge
detector
Selec-
tor
IM2
Standby release
signal
Priority control
circuit
Vector table
address
generator
Decoder
IME IPS
IST0
VRQn
Note
IM2
IM1
IM0
2
1
4
INTBT
IST1
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