W83627THF_06 Datasheet, PDF (91/142 Pages) Winbond – Winbond LPC I/O

W83627THF/W83627THG
CRF5 (Default 0x00)
FDD1 Selection: Same as FDD0 of CRF4.
TABLE A
DRIVE RATE TABLE SELECT
DRTS1
DRTS0
0
0
0
1
1
0
DATA RATE
DRATE1 DRATE0
1
1
0
0
0
1
1
0
1
1
0
0
0
1
1
0
1
1
0
0
0
1
1
0
SELECTED DATA RATE
MFM
FM
1Meg
---
500K
250K
300K
150K
250K
125K
1Meg
---
500K
250K
500K
250K
250K
125K
1Meg
---
500K
250K
2Meg
---
250K
125K
SELDEN
1
1
0
0
1
1
0
0
1
1
0
0
TABLE B
DTYPE0
DTYPE1
DRVDEN0(PIN 2)
0
0
SELDEN
0
1
1
0
1
1
DRATE1
SELDEN
DRATE0
DRVDEN1(PIN 3)
DRATE0
DRATE0
DRATE0
DRATE1
DRIVE TYPE
4/2/1 MB 3.5”“
2/1 MB 5.25”
2/1.6/1 MB 3.5” (3-MODE)
- 84 -