s3c72m9 Samsung Semiconductor, Inc., s3c72m9 Datasheet - Page 68

• 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.

MEMORY MAP
IE4
IEB, IRQB
Bit
Identifier
RESET Value
Read/Write
Bit Addressing
IE4
IRQ4
IEB
IRQB
4-14
,
IRQ4
— INT4 Interrupt Enable/Request Flags
— INTB Interrupt Enable/Request Flags
INT4 Interrupt Enable Flag
INT4 Interrupt Request Flag
INTB Interrupt Enable Flag
INTB Interrupt Request Flag
0
1
–
0
1
–
R/W
IE4
1/4
3
0
Disable interrupt requests at the INT4 pin
Enable interrupt requests at the INT4 pin
Generate INT4 interrupt (This bit is set and cleared automatically by hardware
when rising and falling signal edge detected at INT4 pin.)
Disable INTB interrupt requests
Enable INTB interrupt requests
Generate INTB interrupt (This bit is set and cleared automatically by hardware
when reference interval signal received from basic timer.)
IRQ4
R/W
1/4
2
0
R/W
IEB
1/4
1
0
IRQB
R/W
1/4
0
0
S3C72M5/C72M7/C72M9/P72M9 (Preliminary Spec)
CPU
CPU
FB8H
FB8H