PC87393VJG National Semiconductor, PC87393VJG Datasheet - Page 40
PC87393VJG
Manufacturer Part Number
PC87393VJG
Description
IC, SUPER I/O DEVICE, TQFP-100
Manufacturer
National Semiconductor
Specifications of PC87393VJG
Data Rate
2Mbps
Supply Voltage Range
3V to 3.6V
Logic Case Style
TQFP
No. Of Pins
100
Operating Temperature Range
0°C to +70°C
Termination Type
SMD
Transceiver Type
Interface
Rohs Compliant
No
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
PC87393VJG
Manufacturer:
NS/国半
Quantity:
20 000
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2.0 Device Architecture and Configuration
2.10.4 SuperI/O Configuration 3 Register (SIOCF3)
Location:
Type:
Bit
Name
Reset
7-6
5-4
3-2
1-0
Bit
1.
Pins 83 and 82 Function Select
Bits
7 6
0 0
0 1
1 0
1 1
Bits
5 4
0 0
0 1
1 0
1 1
Pin 85 Function Select
Bits
3 2
0 0
0 1
1 0
1 1
Pin 86 Function Select
Bits
1 0
0 0
0 1
1 0
1 1
Pin 84 Function Select
In the PC87391, this pin is pulled up after reset by an internal pull-up resistor. Software should set this field to
11 to enable the FDC function.
Index 23h
R/W
Function
GPIO32-33 (default for all XCNF2-0 values except x01)
XA10-11 (default when XCNF2-0 is x01)
MDRX, MDTX
XIORD, XIOWR
Function
GPIO31 (default for all XCNF2-0 values except x01)
XA9 (default when XCNF2-0 is x01)
PIRQD
MTR1 (signal output is floated when PPM mode is enabled)
Function
GPIO30 (default for all XCNF2-0 values except x01)
XA8 (default when XCNF2-0 is x01)
PIRQC
Reserved
Function
GPIO27 (default for all XCNF2-0 values except x01
XA7 (default when XCNF2-0 is x01)
PIRQB
Reserved
Function Select
Pins 83 and 82
7
Strap
1
6
Function Select
5
Pin 84
Strap
Description
40
4
(Continued)
Function Select
3
Pin 85
Strap
2
Function Select1
1
Pin 86
Strap
0
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