W83627SF-AW Winbond, W83627SF-AW Datasheet - Page 90

• Manufacturer Part Number: W83627SF-AW
• Manufacturer: Winbond

Specifications of W83627SF-AW

• Pin Count: 128
• Lead Free Status / RoHS Status: Not Compliant

CRF1 (Default 0x00)
CRF2 (Default 0xFF)
Bit 1
Bit 0
Bit 7 - 6 : Boot Floppy
Bit 5, 4
Bit 3 - 2 : Density Select
Bit 1
Bit 0
Bit 7 - 6 : FDD D Drive Type
Bit 5 - 4 : FDD C Drive Type
Bit 3 - 2 : FDD B Drive Type
Bit 1 - 0 : FDD A Drive Type
: SWWP
: FDC DMA Mode
= 0 Burst Mode is enabled
= 1 Non-Burst Mode (Default)
: Floppy Mode
= 0 Normal Floppy Mode (Default)
= 1 Enhanced 3-mode FDD
= 00 FDD A
= 01 FDD B
= 10 FDD C
= 11 FDD D
: Media ID1, Media ID0. These bits will be reflected on FDC's Tape Drive Register bit 7,
6.
= 00 Normal (Default)
= 01 Normal
= 10 1 ( Forced to logic 1)
= 11 0 ( Forced to logic 0)
: DISFDDWR
= 0 Enable FDD write.
= 1 Disable FDD write(forces pins WE, WD stay high).
= 0 Normal, use WP to determine whether the FDD is write protected or not.
= 1 FDD is always write-protected.
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W83627SF