FDC37C669_07 SMSC [SMSC Corporation], FDC37C669_07 Datasheet - Page 32
FDC37C669_07
Manufacturer Part Number
FDC37C669_07
Description
PC 98/99 Compliant Super I/O Floppy Disk Controller with Infrared Support
Manufacturer
SMSC [SMSC Corporation]
Datasheet
1.FDC37C669_07.pdf
(164 pages)
- Current page: 32 of 164
- Download datasheet (576Kb)
Model 30 Mode
BITS 0 - 1 DATA RATE SELECT
These bits control the data rate of the floppy
controller.
corresponding to the individual data rates. The
data rate select bits are unaffected by a
software reset, and are set to 250kb/s after a
hardware reset.
BIT 2 NOPREC
This bit reflects the value of NOPREC bit set in
the CCR register.
RESET
COND.
See Table 13 for the settings
CHG
DSK
N/A
7
6
0
0
5
0
0
32
4
0
0
BIT 3 DMAEN
This bit reflects the value of DMAEN bit set in
the DOR register bit 3.
BITS 4 - 6 UNDEFINED
Always read as a logic "0"
BIT 7 DSKCHG
This bit monitors the pin of the same name and
reflects the opposite value seen on the pin.
DMAEN NOPREC DRATE
3
0
2
0
SEL1
1
1
DRATE
SEL0
0
0
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