AMD D900K manual LPT/ COM Port CON/ Thermistor, Sheet 23

Schematic Diagrams

LPT/ COM PORT CON/ Thermistor

B.Schematic Diagrams

Sheet 23 of 40

LPT/ COM PORT

CON/ Thermistor

					VDD5	R1
					+5V	R2
					C5
					0.1UF(K%)
					C13
					0.1UF(K%)
	(22)	SOUTA			SOUTA
					RTSA#
	(22)		RTSA#		DTRA
	(22)		DTRA		COM1RI
				T
	(22)				DSRA#
			DSRA#		RIA#
	(22)			RIA#	CTSA#
	(22)		CTSA#		SINA
	(22)			SINA	DCDA#
	(22)	DCDA#
		VDD5		R4	100K(R)
		+5V		R3	100K	T
(22)	PD[0..7]			PD[0..7]
					PD3
					PD2
					PD1
					PD7
					PD6
					PD5
					PD4

(22)PINIT# PINIT#

(22)	PSLCT	PSLCT
		PPE
(22)	PPE	PBUSY
(22)	PBUSY	PACK#
(22)	PACK#	PPERR#
(22)	PPERR#	PD0
(22)	PATFD#	PATFD#
		PSTB#
(22)	PSTB#

VL

R559

C828

R560

R555

470K

design value --->

1.37K 1%

0.1U

100K 1%

R153

R550

depends on the

8

U9A

Normal : 0

temperature

3

+

1

10K

10K

2

-

C

Active : 1

JRt

Shutdown_stb_power (32)

4

LM358

D10

R554

C816

Thermistor---> NTC

1

F01J2E

0(R)

2

100K 1%

0.1U

A

D

C3

ACES-85204-2P

Q52

C802

0

R152

0 G

0.1UF

2N7002

0.1U

S

U40

26

A

VCC

D11

28

C1+

V+

27

F01J2E(R)

C

24

C1-

V-

3

H8_RST#

C16

C4

H8_RST# (24)

1

C2+

0.1UF(K%)

0.1UF(K%)

2											JCOM1
	C2-										12
							RN36				5
14	T1IN			T1OUT	9		1	8			9
13					10		2	7			4
	T2IN			T2OUT
12					11		3	6			8
	T3IN			T3OUT
							4	5			3
20	R2OUTB						FCA3216K4-221				7
19					4						2
	R1OUT			R1IN
18					5						6
17	R2OUT			R2IN	6		RN37				1
	R3OUT			R3IN
16					7		1	8			13
	R4OUT			R4IN
15					8		2	7
	R5OUT			R5IN			3	6
23	FORCEON						4	5			COM1_DB9
									5 6 7 8	8 7 6 5
22							FCA3216K4-221
	/FORCEOFF				25						CP6
				GND
21	/INVALID										8P4C-180P
	MAX3243							CP1
								8P4C-180P	4 3 2 1	1 2 3 4
													VDD3
																VDD3	(3,11,12,14,16,18,21,24,26,30,31,32,33,34,35)
													VDD5
RN34		BK32164S471				C_PD1										VDD5	(13,14,16,18,24,26,27,32)
4		5	C_PD3
3		6	C_PD2			C_PINIT#							+5V
2		7	C_PINIT#			C_PD2
1		8	C_PD1			C_PD3										+5V	(18,21,24,28,32,33)
4		5	C_PD7			C_PD4
3		6	C_PD6			C_PD5
2		7	C_PD5			C_PD6
1		8	C_PD4			C_PD7
RN33		BK32164S471										JPRT1	+5V
							5 6 7 8	5 6 7 8
						CP4		CP3				29	PD1		RP10
						8P4C-180P		8P4C-180P			1			1	1	10	10	PINIT#
											14		PD0	2			9
											2		PATFD#	3	2	9	8	PD2
							4 3 2 1	4 3 2 1			15		PSTB#	4	3	8	7	PD3
											3			5	4	7	6	PSLIN#
											16				5	6
											4				10P8R-4.7K
											17							PPERR#
											5			R305			2K
							1 2 3 4	4 3 2 1		C364	18
											6
						CP5		CP2		180P	19		+5V
						8P4C-180P		8P4C-180P			7
											20
											8
							8 7 6 5	5 6 7 8			21		PD7	1	RP9		10
											9				1	10		PACK#
RN32		BK32164S471				C_PACK#					22		PD6	2			9
4		5	C_PSLCT								10		PD5	3	2	9	8	PBUSY
3		6	C_PPE			C_PBUSY					23		PD4	4	3	8	7	PPE
2		7	C_PBUSY			C_PPE					11			5	4	7	6	PSLCT
1		8	C_PACK#			C_PSLCT					24				5	6
4		5	C_PPERR#			C_PSTB#					12				10P8R-4.7K
3		6	C_PD0			C_PATFD#					25
2		7	C_PATFD#			C_PD0					13
1		8	C_PSTB#			C_PPERR#						28
RN35		BK32164S471		(22)	PSLIN#	PSLIN#	R5	FCM1608K221
											PRT_PORT

B - 24 LPT/ COM PORT CON/ Thermistor