TABLE 11 - PRECOMPENSATION DELAYS
PRECOMPENSATION
PRECOMP
DELAY (nsec)
<2Mbps
2Mbps
432
111
001
010
011
100
101
110
000
0.00
41.67
83.34
125.00
166.67
208.33
250.00
Default
0
20.8
41.7
62.5
83.3
104.2
125
Default
Default: See Table 14
TABLE 12 - DATA RATES
DATA RATE DATA RATE
DRIVE RATE
DRATE(1)
DENSEL
DRT1
DRT0
SEL1
SEL0
MFM
FM
1
0
0
0
0
0
0
0
0
0
1
0
0
1
1
0
1
0
1Meg
500
---
1
1
0
0
1
0
0
1
1
0
1
0
250
150
125
300
250
0
0
0
0
1
1
1
1
1
0
0
1
1
0
1
0
1Meg
500
---
1
1
0
0
1
0
0
1
1
0
1
0
250
250
125
500
250
1
1
1
1
0
0
0
0
1
0
0
1
1
0
1
0
1Meg
500
---
250
---
1
1
0
0
1
0
0
1
1
0
1
0
2Meg
250
125
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.
26
SMSC [ SMSC CORPORATION ]
