SC2200UFH-300 AMD (ADVANCED MICRO DEVICES), SC2200UFH-300 Datasheet - Page 238
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SC2200UFH-300
Manufacturer Part Number
SC2200UFH-300
Description
Manufacturer
AMD (ADVANCED MICRO DEVICES)
Datasheet
1.SC2200UFH-300.pdf
(429 pages)
Specifications of SC2200UFH-300
Operating Temperature (min)
0C
Operating Temperature (max)
85C
Operating Temperature Classification
Commercial
Mounting
Surface Mount
Lead Free Status / RoHS Status
Not Compliant
Available stocks
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Manufacturer
Quantity
Price
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Part Number:
SC2200UFH-300F
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NSC
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248
Bit
10
9
8
7
6
5
4
3
2
1
0
Description
SMI Source is EXT_SMI[7:0]. (Read Only. Read Does Not Clear) Indicates whether or not an SMI was caused by a neg-
ative-edge event on EXT_SMI[7:0].
0: No.
1: Yes.
The next level (second level) of SMI status is at F1BAR0+I/O Offset 24h[23:8].
SMI Source is General Timers/Traps. (Read Only, Read Does Not Clear) Indicates whether or not an SMI was caused
by the expiration of one of the General Purpose Timers or one of the User Defined Traps.
0: No.
1: Yes.
The next level (second level) of SMI status is at F1BAR0+I/O Offset 04h/06h.
SMI Source is Software Generated. (Read to Clear) Indicates whether or not an SMI was caused by software.
0: No.
1: Yes.
SMI on an A20M# Toggle. (Read to Clear) Indicates whether or not an SMI was caused by an access to either Port 92h or
the keyboard command which initiates an A20M# SMI.
0: No.
1: Yes.
This method of controlling the internal A20M# in the GX1 module is used instead of a pin.
To enable SMI generation, set F0 Index 53h[0] to 1.
SMI Source is a VGA Timer Event. (Read to Clear) Indicates whether or not an SMI was caused by expiration of the VGA
Timer (F0 Index 8Eh).
0: No.
1: Yes.
To enable SMI generation, set F0 Index 83h[3] to 1.
SMI Source is Video Retrace. (Read to Clear) Indicates whether or not an SMI was caused by a video retrace event as
decoded from the internal serial connection (PSERIAL register, bit 7) from the GX1 module.
0: No.
1: Yes.
To enable SMI generation, set F0 Index 83h[2] to 1.
Reserved. Reads as 0.
SMI Source is LPC. (Read Only, Read Does Not Clear) Indicates whether or not an SMI was caused by the LPC inter-
face.
0: No.
1: Yes.
The next level (second level) of SMI status is at F0BAR1+I/O Offset 1Ch[6:5].
SMI Source is ACPI. (Read Only, Read Does Not Clear) Indicates whether or not an SMI was caused by an access (read
or write) to one of the ACPI registers (F1BAR1).
0: No.
1: Yes.
The next level (second level) of SMI status is at F1BAR0+I/O Offset 20h.
SMI Source is Audio Subsystem. (Read Only, Read Does Not Clear) Indicates whether or not an SMI was caused by
the audio subsystem.
0: No.
1: Yes.
The second level of status is found in F3BAR0+Memory Offset 10h/12h.
SMI Source is Power Management Event. (Read Only, Read Does Not Clear) Indicates whether or not an SMI was
caused by one of the power management resources (except for GP timers, UDEFx and PCI/ISA function traps which are
reported in bit 9).
0: No.
1: Yes.
The next level (second level) of SMI status is at F0 Index 84h/F4h-87h/F7h.
Table 6-33. F1BAR0+I/O Offset: SMI Status Registers (Continued)
32580B
Core Logic Module - SMI Status and ACPI Registers - Function 1
AMD Geode™ SC2200 Processor Data Book
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