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SC3200 Datasheet(PDF) 245 Page - Advanced Micro Devices

Part # SC3200
Description  AMD GEODE-TM SC3200 PROCESSOR
PDF  447 Pages
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Manufacturer  AMD [Advanced Micro Devices]
Direct Link  http://www.amd.com
Logo AMD - Advanced Micro Devices

SC3200 Datasheet(HTML) 245 Page - Advanced Micro Devices

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AMD Geode™ SC3200 Processor Data Book
245
Core Logic Module - Bridge, GPIO, and LPC Registers - Function 0
Revision 5.1
8
IRQ8# Source. Selects the interface source of the IRQ8# signal.
0: ISA - IRQ8# internal signal. (Connected to internal RTC.)
1: LPC - SERIRQ (EBGA ball AL8; TEPBGA ball J31).
7
IRQ7 Source. Selects the interface source of the IRQ7 signal.
0: ISA - IRQ7 (unavailable externally).
1: LPC - SERIRQ (EBGA ball AL8; TEPBGA ball J31).
6
IRQ6 Source. Selects the interface source of the IRQ6 signal.
0: ISA - IRQ6 (unavailable externally).
1: LPC - SERIRQ (EBGA ball AL8; TEPBGA ball J31).
5
IRQ5 Source. Selects the interface source of the IRQ5 signal.
0: ISA - IRQ5 (unavailable externally).
1: LPC - SERIRQ (EBGA ball AL8; TEPBGA ball J31).
4
IRQ4 Source. Selects the interface source of the IRQ4 signal.
0: ISA - IRQ4 (unavailable externally).
1: LPC - SERIRQ (EBGA ball AL8; TEPBGA ball J31).
3
IRQ3 Source. Selects the interface source of the IRQ3 signal.
0: ISA - IRQ3 (unavailable externally).
1: LPC - SERIRQ (EBGA ball AL8; TEPBGA ball J31).
2
Reserved. Must be set to 0.
1
IRQ1 Source. Selects the interface source of the IRQ1 signal.
0: ISA - IRQ1 (unavailable externally).
1: LPC - SERIRQ (EBGA ball AL8; TEPBGA ball J31).
0
IRQ0 Source. Selects the interface source of the IRQ0 signal.
0: ISA - IRQ0 Internal signal. (Connected to OUT0, System Timer, of the internal 8254 PIT.)
1: LPC - SERIRQ (EBGA ball AL8; TEPBGA ball J31).
Offset 04h-07h
SERIRQ_LVL — Serial IRQ Level Control Register (R/W)
Reset Value: 00000000h
31:21
Reserved.
20
INTD# Polarity. If LPC is selected as the interface source for INTD# (F0BAR1+I/O Offset 00h[20] = 1), this bit allows signal
polarity selection.
0: Active high.
1: Active low.
19
INTC# Polarity. If LPC is selected as the interface source for INTC# (F0BAR1+I/O Offset 00h[19] = 1), this bit allows signal
polarity selection.
0: Active high.
1: Active low.
18
INTB# Polarity. If LPC is selected as the interface source for INTB# (F0BAR1+I/O Offset 00h[18] = 1), this bit allows signal
polarity selection.
0:
Active high.
1:
Active low.
17
INTA# Polarity. If LPC is selected as the interface source for INTA# (F0BAR1+I/O Offset 00h[17] = 1), this bit allows signal
polarity selection.
0: Active high.
1: Active low.
16
Reserved. Must be set to 0.
15
IRQ15 Polarity. If LPC is selected as the interface source for IRQ15 (F0BAR1+I/O Offset 00h[15] = 1), this bit allows signal
polarity selection.
0: Active high.
1: Active low.
Table 6-31. F0BAR1+I/O Offset: LPC Interface Configuration Registers (Continued)
Bit
Description



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