FDC37C93XAPM View Datasheet(PDF) - SMSC -> Microchip
Part Name
Description
MFG CO.
FDC37C93XAPM
SMSC -> Microchip
'FDC37C93XAPM' PDF : 280 Pages View PDF
DRIVE RATE
Table 11 - Data Rates
DATA RATE
DATA RATE
DRT1 DRT0 SEL1 SEL0 MFM FM
0
0
1
1
1Meg
---
0
0
0
0
500
250
0
0
0
1
300
150
0
0
1
0
250
125
0
1
1
1
1Meg
---
0
1
0
0
500
250
0
1
0
1
500
250
0
1
1
0
250
125
1
0
1
1
1Meg
---
1
0
0
0
500
250
1
0
0
1
2Meg
---
1
0
1
0
250
125
DENSEL
1
1
0
0
1
1
0
0
1
1
0
0
DRATE(1)
1
0
1
1
0
0
0
1
1
0
1
1
0
0
0
1
1
0
1
1
0
0
0
1
1
0
Drive Rate Table (Recommended) 00 = 360K, 1.2M, 720K, 1.44M and 2.88M Vertical Format
01 = 3-Mode Drive
10 = 2 Meg Tape
Note 1: The DRATE and DENSEL values are mapped onto the DRVDEN pins.
Table 12 - DRVDEN Mapping
DT1 DT0 DRVDEN1 (1) DRVDEN0 (1)
DRIVE TYPE
0
0
DRATE0
DENSEL
4/2/1 MB 3.5"
2/1 MB 5.25" FDDS
2/1.6/1 MB 3.5" (3-MODE)
1
0
DRATE0
DRATE1
0
1
DRATE0
nDENSEL PS/2
1
1
DRATE1
DRATE0
26
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