MiTAC 8399 5.1 AMD Mobile Athlon 64(ClawHammer) Processor(2)

8399 N/B Maintenance

5.1 AMD Mobile Athlon 64(ClawHammer) Processor(2)

Miscellaneous Pin Descriptions		JTAG Pin Descriptions
Signal Name	Type Description	Signal Name	Type Description

RESET_L

PWROK

LDTSTOP_L

VID[4:0]

THERMDA

THERMDC THERMTRIP_L

COREFB_H/L

VDDIOFB_H/L CORE_SENSE VDDA VTT_SENSE VDDIO_SENSE VDD VDDIO

VLDT_A

VLDT_B

VTT_A

VTT_B VSS

I-IOS	System Reset	TCK	I-IOS	JTAG Clock
I-IOS	Indicates that voltages and clocks have reached specified	TMS	I-IOS	JTAG Mode Select
	operation	TRST_L	I-IOS	JTAG Reset
I-IOS	HyperTransport™ Technology Stop Control Input. Used for
		TDI	I-IOS	JTAG Data Input
	power management and for changing HyperTransport link width
		TDO	O-IOS	JTAG Data Output
	and frequency.
O-IOS	Voltage ID to the regulator

AAnode (+) of the thermal diode A Cathode (–) of the thermal diode

					Document
O-IO-O Thermal Sensor Trip output, asserted at nominal temperature of					Clock Pin Descriptions
D	125 ℃.				Signal Na e	Type	Description
A	Differential feedback for VDD Power Supply				CLKIN H/L	I-IOD	200-MHz PLL Reference Clock
S	Core power supply		MiTac
A	Differential feedback for VDDIO Power Supply			Secret		O-IOD	Core Clock PLL 200-MHz Feedback Clock
A	VDD voltage monitor pin				FBCLKOUT H/L
S	Filtered PLL Supply Voltage
A		Confidential
	VTT voltage monitor pin
A	VDDIO voltage monitor pin
S	DDR SDRAM I/O ring power supply
S	HyperTransport™ I/O ring power supply for si A and side B
	of the package
S	VTT regulator voltage for side A a d side B of the die
S	Ground

Debug Pin Descriptions

Signal Name	Type	Description
DBREQ_L	I-IOS	Debug Request
DBRDY	O-IOS Debug Ready

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