FDC37C665IR SMSC Corporation, FDC37C665IR Datasheet - Page 31

• Manufacturer Part Number: FDC37C665IR
• Description: 3/5 Volt Advanced High-Performance Multi-Mode Parallel Port Super I/O Floppy Disk Controller with Infranred Support
• Manufacturer: SMSC Corporation

Drive Rate Table (Recommended) 00 = 360K, 1.2M, 720K, 1.44M and 2.88M Vertical Format
Note 1: This is for DENSEL in normal mode.
Note 2: This is for DRATE0, DRATE1 when Drive Opt are 00. Refer to Table 53 - Drive Option 1 and
DRT1
DRIVE RATE
0
0
0
0
0
0
0
0
1
1
1
1
2 on Page 131 for Drive Option equal to 10.
DRT0
0
0
0
0
1
1
1
1
0
0
0
0
SEL1
DATA RATE
1
0
0
1
1
0
0
1
1
0
0
1
01 = 3-Mode Drive
10 = 2 Meg Tape
Table 14 - Default Precompensation Delays
SEL0
DATA RATE
1
0
1
0
1
0
1
0
1
0
1
0
500 Kbps
300 Kbps
250 Kbps
1 Mbps
1Meg
1Meg
1Meg
MFM
Table 13 - Data Rates
500
300
250
500
500
250
500
250
DATA RATE
---
31
PRECOMPENSATION
250
150
125
250
250
125
250
125
FM
---
---
---
---
DELAYS
41.67 ns
125 ns
125 ns
125 ns
IDENT=1
1
1
0
0
1
1
0
0
1
1
0
0
DENSEL (1)
IDENT=0
0
0
1
1
0
0
1
1
0
0
1
1
DRATE (2)
1
1
0
0
1
1
0
0
1
1
0
0
1
2
1
0
1
0
1
0
1
0
1
0
1
0