SC2200 NSC [National Semiconductor], SC2200 Datasheet - Page 261

• Manufacturer Part Number: SC2200
• Description: Thin Client On a Chip
• Manufacturer: NSC [National Semiconductor]

Revision 3.0
Core Logic Module
Offset 1Ch-1Fh
Note:
Offset 20h
Offset 21h-FFh
The read value for these registers is undefined.
31:24
23:0
3:0
7:1
Bit
0
This register can also be read at F1BAR0+I/O Offset 1Ch.
Description
SCI_IRQ_ROUTE. SCI is routed to:
0000: Disable
0001: IRQ1
0010: Reserved
0011: IRQ3
For more details see Section 5.2.6.3 "Programmable Interrupt Controller" on page 164.
Reserved.
TMR_VAL. (Read Only) This bit field contains the running count of the power management timer.
Reserved.
Arbiter Disable. Disables the PCI arbiter when set by the OS. Used during C3 transition.
0: Arbiter not disabled. (Default)
1: Disable arbiter.
Table 5-34. F1BAR1+I/O Offset: ACPI Support Registers (Continued)
(Continued)
0100: IRQ4
0101: IRQ5
0010: IRQ6
0011: IRQ7
PM2_CNT — PM2 Control Register (R/W)
PM_TMR — ACPI Timer Register (RO)
Reserved
261
1000: IRQ8
1001: IRQ9
1010: IRQ10
1011: IRQ11
1100: IRQ12
1101: IRQ13
1110: IRQ14
1111: IRQ15
Reset Value: xxxxxxxxh
Reset Value: 00h
Reset Value: 00h
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