FDC37C669-MT SMSC, FDC37C669-MT Datasheet - Page 32
FDC37C669-MT
Manufacturer Part Number
FDC37C669-MT
Description
IC CTRLR SUPER I/O FLPPY 100TQFP
Manufacturer
SMSC
Datasheet
1.FDC37C669-MT.pdf
(162 pages)
Specifications of FDC37C669-MT
Controller Type
I/O Controller
Interface
ISA Host
Voltage - Supply
4.5 V ~ 5.5 V
Current - Supply
25mA
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
100-TQFP, 100-VQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
638-1008
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
FDC37C669-MT
Manufacturer:
Microchip Technology
Quantity:
10 000
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Model 30 Mode
BITS 0 - 1 DATA RATE SELECT
These bits control the data rate of the floppy controller.
See Table 13 for the settings corresponding to the
individual data rates.
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.
CHG
DSK
N/A
7
The data rate select bits are
6
0
0
5
0
0
4
0
0
DMAEN NOPREC DRATE
32
3
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.
2
0
SEL1
1
1
DRATE
SEL0
0
0
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