w83627sf Winbond Electronics Corp America, w83627sf Datasheet - Page 119

• Manufacturer Part Number: w83627sf
• Description: Winbond I/o
• Manufacturer: Winbond Electronics Corp America

CRF2 (Default 0xFF)
CRF4 (Default 0x00)
FDD0 Selection:
CRF5 (Default 0x00)
FDD1 Selection: Same as FDD0 of CRF4.
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
Bit 7
Bit 6
Bit 5
Bit 4 - 3 : DRTS1, DRTS0: Data Rate Table select (Refer to TABLE A).
Bit 2
Bit 1:0
: Reserved.
: Precomp. Disable.
= 1
= 0
: Reserved.
= 00 Select Regular drives and 2.88 format
= 01 3-mode drive
= 10 2 Meg Tape
= 11 Reserved
: Reserved.
: DTYPE0, DTYPE1: Drive Type select (Refer to TABLE B).
Disable FDC Precompensation.
Enable FDC Precompensation.
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Publication Release Date: Nov. 2000
PRELIMINARY
W83627SF
Revision 0.60