W83637HF Datasheet, PDF (54/149 Pages) Winbond – LPC I/O

W83637HF
Register 50h ~ 5Fh Bank Select Register - Index 4Eh
Register Location:
4Eh
Power on Default Value
80h
Attribute:
Read/Write
Size:
8 bits
7 65432 1 0
BANKSEL0
BANKSEL1
BANKSEL2
Reserved
Reserved
Reserved
Reserved
HBACS
Bit 7: HBACS- High byte access. Set to 1, access Register 4Fh high byte register.
Set to 0, access Register 4Fh low byte register. Default 1.
Bit 6-3: Reserved. This bit should be set to 0.
Bit 2-0: Index ports 0x50~0x5F Bank select.
Set to 0, select Bank0.
Set to 1, select Bank1.
Set to 2, select Bank2.
Winbond Vendor ID Register - Index 4Fh
Register Location:
4Fh
Power on Default Value
<15:0> = 5CA3h
Attribute:
Read Only
Size:
16 bits
15
87
0
VIDH
VIDL
Bit 15-8: Vendor ID High Byte if CR4E.bit7=1.Default 5Ch.
Bit 7-0: Vendor ID Low Byte if CR4E.bit7=0. Default A3h.
Winbond Test Register -- Index 50h - 55h (Bank 0)
- 49 -
Publication Release Date: June 25, 2003
Revision 1.3