w83977atg Winbond Electronics Corp America, w83977atg Datasheet - Page 147

• Manufacturer Part Number: w83977atg
• Description: W83877tf Plus Kbc, Gp I/o, Wake-up, Fir, Cir, Pb-free
• 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
Bit 2
Bit 1,0
DRTS1
DRIVE RATE TABLE
0
0
1
1
0
0
1
SELECT
DMOD1
: Reserved.
: DMOD0, DMOD1: Drive Model select (Refer to TABLE B).
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
1
0
1
0
1
0
1
0
1
0
1
0
DRVDEN1(PIN 3)
- 139 -
DRATE0
DRATE0
DRATE0
DRATE1
W83977ATF/W83977ATG
SELECTED DATA RATE
1Meg
1Meg
1Meg
2Meg
500K
300K
250K
500K
500K
250K
500K
250K
MFM
Publication Release Date: May 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 0.6
1
1
0
0
1
1
0
0
1
1
0
0