UPD75208 NEC, UPD75208 Datasheet - Page 24

• Manufacturer Part Number: UPD75208
• Description: 4-BIT SINGLE-CHIP MICROCOMPUTER
• Manufacturer: NEC

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