W83C553FY-G Nuvoton Technology Corporation of America, W83C553FY-G Datasheet - Page 53

• Manufacturer Part Number: W83C553FY-G
• Manufacturer: Nuvoton Technology Corporation of America

Specifications of W83C553FY-G

• Lead Free Status / RoHS Status: Compliant

W83C553F
Line Buffer Control Register (default = 00h)
Type:
Bit Description:
IDE Interrupt Routing Control Register (default = EFh)
Type:
Bit Description:
WINBOND SYSTEMS LABORATORY
Bits [7:4]:
Bits [3:2]:
Bits [1:0]:
Bits [7:4]:
Bits [3:0]:
Read/Write
Reserved.
ISA Master Line Buffer Configuration.
DLBC. DMA Line Buffer Configuration.
Read/Write
IRQARCH [3:0]. Routes IDE Primary Port IRQ to the interrupt controller. Defaults to Eh
(IRQ14).
IRQBRCH [3:0]. Routes IDE Secondary Port IRQ to the interrupt controller. Defaults to Fh
(IRQ15).
Bit 3
Bit 1
0
0
1
1
0
0
1
1
2
0
1
0
1
0
0
1
0
1
Function
Single transaction
Reserved
Reserved
Reserved
Function
Single transaction
Reserved
Reserved
Reserved
Electrical Specifications
60