SC2200UFH233F33 AMD (ADVANCED MICRO DEVICES), SC2200UFH233F33 Datasheet - Page 219
SC2200UFH233F33
Manufacturer Part Number
SC2200UFH233F33
Description
Manufacturer
AMD (ADVANCED MICRO DEVICES)
Datasheet
1.SC2200UFH233F33.pdf
(429 pages)
Specifications of SC2200UFH233F33
Operating Temperature (min)
0C
Operating Temperature (max)
85C
Operating Temperature Classification
Commercial
Mounting
Surface Mount
Lead Free Status / Rohs Status
Compliant
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Core Logic Module - Bridge, GPIO, and LPC Registers - Function 0
AMD Geode™ SC2200 Processor Data Book
Index F4h
The bits in this register contain second level status reporting. Top level status is reported in F1BAR0+I/O Offset 00h/02h[0].
Reading this register clears the status at both the second and top levels.
A read-only “Mirror” version of this register exists at F0 Index 84h. If the value of the register must be read without clearing the SMI
source (and consequently de-asserting SMI), F0 Index 84h can be read instead.
Index F5h
The bits in this register contain second level status reporting. Top level status is reported in F1BAR0+I/O Offset 00h/02h[0].
Reading this register clears the status at both the second and top levels.
A read-only “Mirror” version of this register exists at F0 Index 85h. If the value of the register must be read without clearing the SMI
source (and consequently de-asserting SMI), F0 Index 85h can be read instead.
Table 6-29. F0: PCI Header/Bridge Configuration Registers for GPIO and LPC Support (Continued)
Bit
7:3
2
1
0
7
6
5
4
Description
Reserved. Reads as 0.
GPWIO2 SMI Status. Indicates whether or not an SMI was caused by a transition on the GPWIO2 pin.
0: No.
1: Yes.
To enable SMI generation:
1) Ensure that GPWIO2 is enabled as an input: F1BAR1+I/O Offset 15h[2] = 0.
2) Set F1BAR1+I/O Offset 15h[6] = 1 to allow SMI generation.
GPWIO1 SMI Status. Indicates whether or not an SMI was caused by a transition on the GPWIO1 pin.
0: No.
1: Yes.
To enable SMI generation:
1) Ensure that GPWIO1 is enabled as an input: F1BAR1+I/O Offset 15h[1] = 0.
2) Set F1BAR1+I/O Offset 15h[5] to 1 to allow SMI generation.
GPWIO0 SMI Status. Indicates whether or not an SMI was caused by a transition on the GPWIO0 pin.
0: No.
1: Yes.
To enable SMI generation:
1) Ensure that GPWIO0 is enabled as an input: F1BAR1+I/O Offset 15h[0] = 0.
2) Set F1BAR1+I/O Offset 15h[4] to 1 to allow SMI generation.
Video Idle Timer SMI Status. Indicates whether or not an SMI was caused by expiration of Video Idle Timer Count Regis-
ter, (F0 Index A6h).
0: No.
1: Yes.
To enable SMI generation, set F0 Index 81h[7] = 1.
User Defined Device Idle Timer 3 (UDEF3) SMI Status. Indicates whether or not an SMI was caused by expiration of User
Defined Device 3 (UDEF3) Idle Timer Count Register (F0 Index A4h).
0: No.
1: Yes.
To enable SMI generation, set F0 Index 81h[6] = 1.
User Defined Device Idle Timer 2 (UDEF2) SMI Status. Indicates whether or not an SMI was caused by expiration of User
Defined Device 2 (UDEF2) Idle Timer Count Register (F0 Index A2h).
0: No.
1: Yes.
To enable SMI generation, set F0 Index 81h[5] = 1.
User Defined Device Idle Timer 1 (UDEF1) SMI Status. Indicates whether or not an SMI was caused by expiration of User
Defined Device 1 (UDEF1) Idle Timer Count Register (F0 Index A0h).
0: No.
1: Yes.
To enable SMI generation, set F0 Index 81h[4] = 1.
Second Level PME/SMI Status Register 1 (RC)
Second Level PME/SMI Status Register 2 (RC)
32580B
Reset Value: 00h
Reset Value: 00h
227
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