sc3200 Advanced Micro Devices, sc3200 Datasheet - Page 326
sc3200
Manufacturer Part Number
sc3200
Description
Geode-tm Sc3200 Processor
Manufacturer
Advanced Micro Devices
Datasheet
1.SC3200.pdf
(447 pages)
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I/O Port 4D1h
Notes: 1. If ICW1 - bit 3 in the PIC is set as level, it overrides the setting for bits 7:6 and 4:1 in this register.
Bit
2:0
3
7
6
5
4
3
2
1
0
2. Bits [7:6] and [4:1] in this register are used to configure a PCI interrupt mapped to IRQ[x] on the PIC as level-sensitive
Description
IRQ3 Edge or Level Sensitive Select. Selects PIC IRQ3 sensitivity configuration.
0: Edge.
1: Level.
Reserved. Must be set to 0.
IRQ15 Edge or Level Sensitive Select. Selects PIC IRQ15 sensitivity configuration.
0: Edge.
1: Level.
IRQ14 Edge or Level Sensitive Select. Selects PIC IRQ14 sensitivity configuration.
0: Edge.
1: Level.
Reserved. Must be set to 0.
IRQ12 Edge or Level Sensitive Select. Selects PIC IRQ12 sensitivity configuration.
0: Edge.
1: Level.
IRQ11 Edge or Level Sensitive Select. Selects PIC IRQ11 sensitivity configuration.
0: Edge.
1: Level.
IRQ10 Edge or Level Sensitive Select. Selects PIC IRQ10 sensitivity configuration.
0: Edge.
1: Level.
IRQ9 Edge or Level Sensitive Select. Selects PIC IRQ9 sensitivity configuration.
0: Edge.
1: Level.
Reserved. Must be set to 0.
(shared).
Revision 5.1
Table 6-49. Miscellaneous Registers (Continued)
Interrupt Edge/Level Select Register 2 (R/W)
Core Logic Module - ISA Legacy Register Space
AMD Geode™ SC3200 Processor Data Book
Reset Value: 00h
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