Samsung KS57C2308 Manual page 52

MEMORY MAP
IE4 IRQ4
,
— INT4 Interrupt Enable/Request Flags
IEB, IRQB
— INTB Interrupt Enable/Request Flags
Bit
Identifier
Value
RESET
Read/Write
Bit Addressing
IE4
IRQ4
IEB
IRQB
4-10
3 2
IE4 IRQ4
0 0
R/W R/W
1/4 1/4
INT4 Interrupt Enable Flag
0 Disable interrupt requests at the INT4 pin
1 Enable interrupt requests at the INT4 pin
INT4 Interrupt Request Flag
– Generate INT4 interrupt (This bit is set and cleared automatically by hardware
when rising or falling signal edge detected at INT4 pin.)
INTB Interrupt Enable Flag
0 Disable INTB interrupt requests
1 Enable INTB interrupt requests
INTB Interrupt Request Flag
– Generate INTB interrupt (This bit is set and cleared automatically by hardware
when reference interval signal received from basic timer.)
1 0
IEB IRQB
0 0
R/W R/W
1/4 1/4
KS57C2308/P2308/C2316/P2316
FB8H
FB8H