w83977eg Winbond Electronics Corp America, w83977eg Datasheet - Page 95

• Manufacturer Part Number: w83977eg
• Description: Winbond Isa I/o W83977ef W83977eg
• Manufacturer: Winbond Electronics Corp America

CRF5 (Default 0x00)
FDD1 Selection: Same as FDD0 of CRF4.
TABLE A
Note:Refer to CRF2 for SELDEN value in the cases when CRF0, bit0=1.
TABLE B
DMOD0
DRTS1
DRIVE RATE TABLE
0
0
1
1
0
0
1
SELECT
DMOD1
DRTS0
0
1
0
1
0
1
0
DRVDEN0(PIN 2)
DRATE1
SELDEN
DRATE1
SELDEN
DRATE0
1
0
0
1
1
0
0
1
1
0
0
1
DATA RATE
DRATE0
W83977EF-AW/W83977EG-AW
1
0
1
0
1
0
1
0
1
0
1
0
DRVDEN1(PIN 3)
-93-
DRATE0
DRATE0
DRATE0
DRATE1
SELECTED DATA RATE
1Meg
1Meg
1Meg
2Meg
500K
300K
250K
500K
500K
250K
500K
250K
MFM
Publication Release Date: Apr. 2006
4/2/1 MB 3.5”“
2/1 MB 5.25”
2/1.6/1 MB 3.5” (3-MODE)
250K
150K
125K
250K
250K
125K
250K
125K
FM
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DRIVE TYPE
CRF0 BIT 0=0
SELDEN
Revision 1.2
1
1
0
0
1
1
0
0
1
1
0
0