s3c72m9 Samsung Semiconductor, Inc., s3c72m9 Datasheet - Page 227

• Manufacturer Part Number: s3c72m9
• Description: The S3c72m5/s3c72m7/s3c72m9 Single-chip Cmos Microcontroller Has Been Designed For High Performance Using Samsung S
• Manufacturer: Samsung Semiconductor, Inc.

S3C72M5/C72M7/C72M9/P72M9 (Preliminary Spec)
F
To simultaneously enable INTB and INT4 interrupts:
INTB
;
INT4
To simultaneously enable INTT0 and INTT1B interrupts:
INTT0
;
INTT1B
PROGRAMMING TIP — Enabling the INTB and INT4 Interrupts
DI
BTSTZ
JR
•
•
•
EI
IRET
BITR
•
•
•
EI
IRET
DI
BTSTZ
JR
•
•
•
EI
IRET
BITR
•
•
•
EI
IRET
IRQB
INT4
IRQ4
IRQT0
INTT1B
;
IRQT2
; IRQB = 1 ?
; If no, INT4 interrupt; if yes, INTB interrupt is processed
; INT4 is processed
; IRQB = 1 ?
; If no, INTT1B interrupt; if yes, INTT0 interrupt is
processed
; INTT1B is processed
INTERRUPTS
7-15