Thermal Status GT (THERM_STATUS_GT_0_0_0_MCHBAR_PCU) – Offset 59C0 - 1.3 - ID:767625 | 12th Generation Intel® Core™ Processors Datasheet Volume 2 of 2

12th Generation Intel® Core™ Processors Datasheet Volume 2 of 2

ID	Date	Version	Classification
767625	07/13/2023		Public

Thermal Status GT (THERM_STATUS_GT_0_0_0_MCHBAR_PCU) – Offset 59C0

Contains status information about the processors thermal sensor and automatic thermal monitoring facilities.

Bit Range	Default	Access	Field Name and Description
31	0x0	RO/V	(VALID) This bit indicates that the TEMPERATURE field is valid. It is set by PCODE if the temperature is within valid thermal sensor range.
30:27	0x1	RO	(RESOLUTION) Supported resolution in degrees C.
26:24	0h	RO	Reserved
23:16	0x0	RO/V	(TEMPERATURE) This is a temperature offset in degrees C below theTJ Max temperature. This number is meaningful only if VALID bit in this register is set.
15	0x0	RW/0C/V	Cross Domain Limit Log (CROSS_DOMAIN_LIMIT_LOG) R/WC0 - If set (1), indicates another hardware domain (e.g. processor graphics) has limited energy efficiency optimizations in the processor core domain since the last clearing of this bit or a reset. This bit is sticky, software may clear this bit by writing a zero (0).
14	0x0	RO/V	Cross Domain Limit Status (CROSS_DOMAIN_LIMIT_STATUS) RO - If set (1), indicates another hardware domain (e.g. processor graphics) is currently limiting energy efficiency optimizations in the processor core domain.
13	0x0	RW/0C/V	Current Limit Log (CURRENT_LIMIT_LOG) R/WC0 - If set (1), an electrical current limit has been exceeded that has adversely impacted energy efficiency optimizations since the last clearing of this bit or a reset. This bit is sticky, software may clear this bit by writing a zero (0).
12	0x0	RO/V	Current Limit Status (CURRENT_LIMIT_STATUS) If set (1), indicates an electrical current limit (e.g. Electrical Design Point/IccMax) is being exceeded and is adversely impacting energy efficiency optimizations.
11	0x0	RW/0C/V	Power Limitation Log (POWER_LIMITATION_LOG) Sticky bit which indicates whether the current P-State is limited by power limitation since the last clearing of this bit or a reset. Software may clear this bit by writing a zero (0). For legacy P state method, this bit will be set only if the P-state is limit below the guaranty level.
10	0x0	RO/V	Power Limitation Status (POWER_LIMITATION_STATUS) Indicates whether the current P-State is limited by power limitation. For legacy P state method, this bit will be set only if the P-state is limit below the guaranty level.
9	0x0	RW/0C/V	Threshold2 Log (THRESHOLD2_LOG) Sticky log bit that asserts on a 0 to 1 or a 1 to 0 transition of the THRESHOLD2_STATUS bit. This bit is set by hardware and cleared by software.
8	0x0	RO/V	Threshold2 Status (THRESHOLD2_STATUS) Indicates that the current temperature is higher than or equal to Threshold 2 temperature.
7	0x0	RW/0C/V	Threshold1 Log (THRESHOLD1_LOG) Sticky log bit that asserts on a 0 to 1 or a 1 to 0 transition of the THRESHOLD1_STATUS bit. This bit is set by hardware and cleared by software.
6	0x0	RO/V	Threshold1 Status (THRESHOLD1_STATUS) Indicates that the current temperature is higher than or equal to Threshold 1 temperature.
5	0x0	RW/0C/V	Out Of Specification Log (OUT_OF_SPEC_LOG) Sticky log bit indicating that the processor operating out of its thermal specification since the last time this bit was cleared. This bit is set by hardware on a 0 to 1 transition of OUT_OF_SPEC_STATUS.
4	0x0	RO/V	Out Of Specification Status (OUT_OF_SPEC_STATUS) Status bit indicating that the processor is operating out of its thermal specification. Once set, this bit should only clear on a reset.
3	0x0	RW/0C/V	PROCHOT# Log (PROCHOT_LOG) Sticky log bit indicating that xxPROCHOT# has been asserted since the last time this bit was cleared by SW. This bit is set by HW on a 0 to 1 transition of PROCHOT_STATUS.
2	0x0	RO/V	PROCHOT# Status (PROCHOT_STATUS) Status bit indicating that xxPROCHOT# is currently being asserted.
1	0x0	RW/0C/V	Thermal Monitor Log (THERMAL_MONITOR_LOG) Sticky log bit indicating that the core has seen a thermal monitor event since the last time software cleared this bit. This bit is set by hardware on a 0 to 1 transition of THERMAL_MONITOR_STATUS.
0	0x0	RO/V	Thermal Monitor Status (THERMAL_MONITOR_STATUS) Status bit indicating that the Thermal Monitor has tripped and is currently thermally throttling.