AMD D900K manual Sheet 31, THERMTRIP#3, 30,33 Vcorepwrgd, Cpurst#

B.Schematic Diagrams

Schematic Diagrams

POWER CONTROLLER 2

VDD3

VDD3

U18A

U18B

14

14

T

1

3

T

4

6

T

T

T

2

T

5

7

7

74HC08

74HC08

D17

SCS551V

VDD3

D16

SCS551V

A

C

THERMTRIP#(3)

Z3719

C

A

RSMRST# (13,21)

VDD3

R261

47K

VDD3

C321

VDD3

0.1U

VDD3

R272

R255

LOW TO HI

22K

14

U26C

14

U26D

0

U22A

14

VDD3

Z3704

5

6

Z3705

9

8

Z3718

R254

0

RSMOK

1

3

SUSBG

7

7

R249

0

Z3723

2

SUSBG (30)

(8,12,21) SUSB_SB#

(3,11,12,14,16,18,21,24,26,30,32,33,34,35)VDD3

C327

74LVC14

7

10U(0805)

74LVC14

R260

74HC08

10K

Sheet 31 of 40
POWER																			VDD3
CONTROLLER 2
													VDD3					CA1
																U18C		0.1U
								VDD3						14								U18D
			VDD3				C306	0.1U		(30,33) VCORE_PWRGD					9		8	Z3407		14
									Z3406				10						12		11	Z3408
										U22B				7					13							VDD3
					U22C				14							74HC08					7
				14					4														74HC08
		SUSBG		9	(30,34) DUAL_PG						6
	SYSTEM_PWROK				8	Z3410			5																		U22D
				10					7	74HC08															14
				7	74HC08																			12		11	ALL_PWRGD
																														ALL_PWRGD(2,3,10,11,13)
												(30) 2.5VDDA_PG									(30) +1.2VLDT_PG			13
																										7

PCIRST# R714 10K(R)

C937

1U(R)

+2.5VS

5		U59
2
	4		CPURST#
				CPURST#
1
3		TC7SZ08(R)

NEAR CPU

						74HC08
				+3VS		+3VS
						+3VS	(2,8,9,10,11,12,13,14,15,16,19,20,21,22,24,25,27,29,32,33)
						C287
						+5VS
				D		1U
					Q14	+5VS	(11,12,14,15,16,21,22,24,29,32,33)
+5VS	R232	10K	Z3409	G	2N7002
				S

	Z3415	3	U19
C297			VCC	2	SYSTEM_PWROK
1U		1	RESET
			GND
			MAX809_SOT-23

R238

100K

+2.5VS

(8,11,12,13,34) +2.5VS

B - 32 POWER CONTROLLER 2