PC87393VJG National Semiconductor, PC87393VJG Datasheet - Page 58

• 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

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2.0 Device Architecture and Configuration
2.15.4 GPIO Pin Select Register
This register selects the GPIO pin (port number and bit number) to be configured (i.e., which register is accessed via the
GPIO Pin Configuration register). It is reset by hardware to 00h.
Location:
Type:
Bit
Name
Reset
7-6
5-4
2-0
Bit
3
Reserved
Port Select. These bits select the GPIO port to be configured:
00: Port 0 (default)
01, 10, 11: Binary value of port numbers 1-3 respectively. All other values are reserved.
Reserved
Pin Select. These bits select the GPIO pin to be configured in the selected port:
000, 001,... 111: Binary value of the pin number, 0, 1,... 7 respectively (default=0)
Index F0h
R/W
7
0
Reserved
6
0
5
0
Port Select
Description
58
4
0
(Continued)
Reserved
3
0
2
0
Pin Select
1
0
0
0