W83627HF-AW Nuvoton Technology Corporation of America, W83627HF-AW Datasheet - Page 94

• Manufacturer Part Number: W83627HF-AW
• Description: LPC INTERFACE HARDWARE MONITOR
• Manufacturer: Nuvoton Technology Corporation of America

Specifications of W83627HF-AW

• Applications: PC's, PDA's
• Interface: LPC
• Voltage - Supply: 3.3V, 5V
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

CRF4 （Default 0x00）
FDD0 Selection：
CRF5 （Default 0x00）
FDD1 Selection： Same as FDD0 of CRF4.
DRTS1
DRIVE RATE TABLE
0
0
1
4 - 3
1 - 0
BIT
7
6
5
2
SELECT
Reserved.
Precomp. Disable.
1： Disable FDC Precompensation.
0： Enable FDC Precompensation.
Reserved.
DRTS1, DRTS0： Data Rate Table select （Refer to TABLE A）.
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）.
DRTS0
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
- 90 -
DESCRIPTION
SELECTED DATA RATE
1Meg
1Meg
1Meg
2Meg
500K
300K
250K
500K
500K
250K
500K
250K
MFM
W83627HF/ F/ HG/ G
250K
150K
125K
250K
250K
125K
250K
125K
FM
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SELDEN
1
1
0
0
1
1
0
0
1
1
0
0