FDC37C669-MT SMSC, FDC37C669-MT Datasheet - Page 20
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
- Current page: 20 of 162
- Download datasheet (619Kb)
PS/2 Model 30 Mode
BIT 0 nDIRECTION
Active low status indicating the direction of head
movement. A logic "0" indicating inward direction a logic
"1" outward.
BIT 1 WRITE PROTECT
Active high status of the WRITE PROTECT disk interface
input. A logic "1" indicating that the disk is write protected.
BIT 2 INDEX
Active high status of the INDEX disk interface input.
BIT 3 nHEAD SELECT
Active low status of the HDSEL disk interface input. A
logic "0" selects side 1 and a logic "1" selects side 0.
RESET
COND.
PENDING
INT
7
0
DRQ
6
0
STEP
F/F
5
0
TRK0 nHDSEL
N/A
4
20
BIT 4 TRACK 0
Active high status of the TRK0 disk interface input.
BIT 5 STEP
Active high status of the latched STEP disk interface
output pin. This bit is latched with the STEP output going
active, and is cleared with a read from the DIR register, or
with a hardware or software reset.
BIT 6 DMA REQUEST
Active high status of the DRQ output pin.
BIT 7 INTERRUPT PENDING
Active high bit indicating the state of the Floppy Disk
Interrupt output.
3
1
INDX
N/A
2
WP
N/A
1
nDIR
0
1
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