KS57C2308/P2308/C2316/P2316 MEMORY MAP
4-13
IEW, IRQW — INTW Interrupt Enable/Request Flags FBAH
Bit 3210
Identifier "0" "0" IEW IRQW
RESET Value 0000
Read/Write R/W R/W R/W R/W
Bit Addressing 1/4 1/4 1/4 1/4
.3–.2 Bits 3–2
0Always logic zero
IEW INTW Interrupt Enable Flag
0Disable INTW interrupt requests
1Enable INTW interrupt requests
IRQW 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.)
NOTE:Since INTW is a quasi-interrupt, the IRQW flag must be cleared by software.