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PC87366 Datasheet(PDF) 68 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part # PC87366
Description  128-Pin LPC SuperI/O with System Hardware Monitoring, MIDI and Game Ports
PDF  240 Pages
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Manufacturer  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

PC87366 Datasheet(HTML) 68 Page - National Semiconductor (TI)

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2.0 Device Architecture and Configuration (Continued)
68
www.national.com
2.15.3
Logical Device 7 (GPIO) Configuration
Table 28 lists the configuration registers which affect the GPIO. Only the last three registers (F0h - F2h) are described here.
See Sections 2.2.3 and 2.2.4 for a detailed description of the others.
Table 28. GPIO Configuration Register
Figure shows the organization of these registers.
Figure 6. Organization of GPIO Pin Registers
Index
Configuration Register or Action
Type
Reset
30h
Activate. See also bit 7 of the SIOCF1 register.
R/W
00h
60h
Base Address MSB register
R/W
00h
61h
Base Address LSB register. Bits 3-0 (for A3-0) are read only, 0000b.
R/W
00h
70h
Interrupt Number
R/W
00h
71h
Interrupt Type. Bit 1 is read/write. Other bits are read only.
R/W
03h
74h
Report no DMA assignment
RO
04h
75h
Report no DMA assignment
RO
04h
F0h
GPIO Pin Select register
R/W
00h
F1h
GPIO Pin Configuration register
R/W
00h
F2h
GPIO Pin Event Routing register
R/W
00h
GPIO Pin
Configuration Register
Pin Select
Port Select
Port 0, Pin 0
GPIO Pin Select Register
GPIO Pin Event
Routing Register
Port 0, Pin 7
Port 0
Port 3
Pin 0
Pin 7
Port 1, Pin 0
Port 2, Pin 0
Port 3, Pin 0
Port 0
Pin 0
Pin 7
Port 1
Port 0, Pin 0
Port 1, Pin 0
Port 0, Pin 7
Configuration Registers
(Index F0h)
(Index F1h)
(Index F2h)
Event Routing
Registers



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