Samsung KS57C2308 Manual page 55

KS57C2308/P2308/C2316/P2316
IEW IRQW
,
— INTW Interrupt Enable/Request Flags
Bit
Identifier
Value
RESET
Read/Write
Bit Addressing
.3–.2
IEW
IRQW
NOTE: Since INTW is a quasi-interrupt, the IRQW flag must be cleared by software.
3 2
"0" "0"
0 0
R/W R/W
1/4 1/4
Bits 3–2
0 Always logic zero
INTW Interrupt Enable Flag
0 Disable INTW interrupt requests
1 Enable INTW interrupt requests
INTW Interrupt Request Flag
– Generate INTW interrupt (This bit is set when the timer interval is set to 0.5
seconds or 3.91 ms.)
1 0
IEW IRQW
0 0
R/W R/W
1/4 1/4
MEMORY MAP
FBAH
4-13