upd75212a Renesas Electronics Corporation., upd75212a Datasheet - Page 29

• Manufacturer Part Number: upd75212a
• Description: 4-bit Single-chip Microcomputer
• Manufacturer: Renesas Electronics Corporation.

INT4
/P00
INT0
/P10
INT1
/P11
* Noise eliminator
INT2
/P12
*
*
IM1
2
Rising Edge
Detection
Circuit
Edge
Detection
Circuit
Edge
Detection
Circuit
INTTPG
INTSIO
IM0
INTKS
INTT0
Both Edges
Detection
Circuit
INTW
2
INT
BT
IRQTPG
IRQSIO
IRQBT
IRQKS
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
IPS
4
Decoder
IST
2
Standby Release
Signal
Vector
Table
Address
Generator
Circuit