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F81867 Datasheet, PDF (48/315 Pages) Feature Integration Technology Inc. – 6 UARTs μSuper IO With 128 Bytes FIFO and Power Saving Functions
F81867
PECI, TSI, IBEX, Beta Register ⎯ Index 0Ah
Bit
Name
Defa
R/W Reset ult
Description
7
BETA_EN2
R/W 5VSB
0
0: disable the T2 beta compensation.
1: enable the T2 beta compensation.
6
BETA_EN1
R/W 5VSB
0
0: disable the T1 beta compensation.
1: enable the T1 beta compensation.
This bit is used to select AMD TSI or Intel IBEX when TSI_EN is set to 1.
5
INTEL_SEL
R/W 5VSB 1 0: Select AMD
1: Select Intel
4
MXM_MODE
R/W LRESET# 0 Reserved
PECI (VTT) voltage selection.
00: VTT is 1.23V
3-2
VTT_SEL
R/W 5VSB 0 01: VTT is 1.13V
10: VTT is 1.00V
11: VTT is 1.00V
1
TSI_EN
R/W 5VSB 0 Set this bit 1 to enable AMD TSI or Intel IBEX function
0
PECI_EN
R/W LRESET# 0 Set this bit 1 to enable Intel PECI function
CUP Socket Select Register ⎯ Index 0Bh
Bit
Name
R/W Reset Default
Description
Select the Intel CPU socket number.
0000: no CPU presented. PECI host will use Ping () command to find the
CPU address.
0001: CPU is in socket 0, i.e. PECI address is 0x30.
7-4
CPU_SEL
R/W 5VSB 0
0010: CPU is in socket 0, i.e. PECI address is 0x31.
0100: CPU is in socket 0, i.e. PECI address is 0x32.
1000: CPU is in socket 0, i.e. PECI address is 0x33.
3-1
Reserved
Others are reserved.
-
-
0 Reserved.
If the CPU is selected as dual core. Set this register 1 to read the
0
DOMAIN1_EN
R/W 5VSB
0 temperature of domain1.
TCC Register ⎯ Index 0Ch
Bit
Name
R/W Reset Default
Description
TCC Activation Temperature.
When PECI is enabled, the absolute value of CPU temperature is
7-0
TCC_TEMP
R/W 5VSB 8’h55 calculated by the equation:
CPU_TEMP = TCC_TEMP + PECI Reading.
The range of this register is -128 ~ 127ºC.
48
Dec, 2011
V0.12P