FDC37B72X View Datasheet(PDF) - SMSC -> Microchip
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FDC37B72X Datasheet PDF : 238 Pages
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TABLE 11 - PRECOMPENSATION DELAYS
PRECOMP
PRECOMPENSATION
432
DELAY (nsec)
<2Mbps
2Mbps
111
0.00
0
001
41.67
20.8
010
83.34
41.7
011
125.00
62.5
100
166.67
83.3
101
208.33
104.2
110
250.00
125
000
Default
Default
Default: See Table 11
DRIVE RATE
DRT1
0
0
0
0
0
0
0
0
1
1
1
1
DRT0
0
0
0
0
1
1
1
1
0
0
0
0
TABLE 12 - DATA RATES
DATA RATE
DATA RATE
SEL1 SEL0 MFM FM
1
1
1Meg
---
0
0
500
250
0
1
300
150
1
0
250
125
1
1
1Meg
---
0
0
500
250
0
1
500
250
1
0
250
125
1
1
1Meg
---
0
0
500
250
0
1
2Meg
---
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.
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