UPD75216ACW

Manufacturer Part NumberUPD75216ACW
Description4-BIT SINGLE-CHIP MICROCOMPUTER
ManufacturerNEC
UPD75216ACW datasheet
 


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Fig. 6-1 Interrupt Control Circuit Block Diagram
2
2
IM1
IM0
Interrupt Enable Flag (IE
INT
IRQBT
BT
Both Edges
INT4
IRQ4
Detection
/P00
Circuit
Edge
INT0
Detection
IRQ0
*
/P10
Circuit
Edge
INT1
IRQ1
*
Detection
/P11
Circuit
INTSIO
IRQSIO
IRQT0
INTT0
INTTPG
IRQTPG
IRQKS
INTKS
INTW
IRQW
Rising Edge
INT2
Detection
IRQ2
/P12
Circuit
* Noise eliminator
Internal Bus
4
2
(IME)
IPS
IST
)
XXX
Decoder
VRQn
Priority Control
Circuit
Vector
Table
Address
Generator
Circuit
Standby Release
Signal