DRATE
SEL1
DRATE
SEL0
RESET
N/A
N/A
N/A
N/A
N/A
N/A
1
0
CONDITION
Data Rate Select, Bits 0 - 1
These bits determine the data rate of the floppy controller. See Table 19 for the appropriate values.
Reserved, Bits 2 - 7
Bits 2 to 7 are RESERVED. Reserved bits cannot be written and return 0 when read.
Model 30 Interface Mode
Table 27 - CCR Model 30 Interface Mode
7
6
5
4
3
2
1
0
NOPREC
DRATE
DRATE
SEL1
SEL0
RESET
N/A
N/A
N/A
N/A
N/A
N/A
1
0
CONDITION
Data Rate Select, Bits 0 - 1
These bits determine the data rate of the floppy controller. See Table 19 for the appropriate values.
No Precompensation, Bit 2
This bit can be set by software, but it has no functionality. It can be read by bit 2 of the DSR when in Model 30
register mode. Unaffected by software reset.
Reserved, Bits 3 - 7
Bits 3 to 7 are RESERVED. Reserved bits cannot be written and return 0 when read.
SMSC DS – FDC37N3869
Page 30
Rev. 10/25/2000
SMSC [ SMSC CORPORATION ]
