W83627SF-AW Winbond, W83627SF-AW Datasheet - Page 91

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

Specifications of W83627SF-AW

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

CRF4 (Default 0x00)
FDD0 Selection:
CRF5 (Default 0x00)
FDD1 Selection: Same as FDD0 of CRF4.
DRTS1
Bit 7
Bit 6
Bit 5
Bit 4 - 3 : DRTS1, DRTS0: Data Rate Table select (Refer to TABLE A).
Bit 2
Bit 1:0
DRIVE RATE TABLE
0
0
1
SELECT
: DTYPE0, DTYPE1: Drive Type select (Refer to TABLE B).
: Reserved.
: Precomp. Disable.
= 1
= 0
: Reserved.
= 00 Select Regular drives and 2.88 format
= 013-mode drive
= 10 2 Meg Tape
= 11 Reserved
: Reserved.
DRTS0
Disable FDC Precompensation.
Enable FDC Precompensation.
0
1
0
DRATE1
1
0
0
1
1
0
0
1
1
0
0
1
DATA RATE
DRATE0
TABLE A
1
0
1
0
1
0
1
0
1
0
1
0
- 91 -
SELECTED DATA RATE
1Meg
1Meg
1Meg
2Meg
500K
300K
250K
500K
500K
250K
500K
250K
MFM
Publication Release Date: May 31, 2005
250K
150K
125K
250K
250K
125K
250K
125K
FM
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W83627SF
SELDEN
Revision A1
1
1
0
0
1
1
0
0
1
1
0
0