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HDMI and video switches using the STEVAL-CCH002V1 demonstration board
User Manual
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Last Updated: 26/08/2008
Pages: 29
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UM0576 User manual
HDMI and video switches using the STEVAL-CCH002V1 demonstration board
Introduction
This document explains the functioning and operation of the STEVAL-CCH002V1 demonstration board which demonstrates the functionalities of the STMAV335, STMAV340, STHDMI002A and STDVE003A analog and digital video switches. The objective of this demonstration board is to display the capabilities of ST's video switches and buffers and also the appropriate use of signal line protection devices, which have been exhaustively used in this demonstration board at all I/O lines, whether it is standard analog or high-speed transition minimized differential signaling (TMDS) digital signals. Demonstration of the various devices is done by appropriate jumper settings on the demonstration board, and all necessary I/O interface connectors as applicable for each signal format are provided. Standard interconnects available in the market can be used to evaluate the demonstration board. The demonstration board has a 16 character x 2 line backlit LCD which shows the selection status and a preprogrammed microcontroller senses all the control signals and appropriately displays it on the LCD. The demonstration board may be powered by the 9 V adapter supplied or by a standard 9V adapter with a current capacity of at least 500 mA. The source need not be regulated. On board regulators supply +5 V and +3.3 V as required. To summarize, the STEVAL-CCH002V1 serves to demonstrate the following:
STMAV335 analog video switch STMAV340 analog video switch STHDMI002A HDMI switch STDVE003A HDMI switch with equalizer/buffer TSH343 analog buffer TSH72 analog buffer ST4300 I2C buffer Various ESD protection devices in the signal I/O ports
The board also demonstrates to a large extent, the recommended PCB layout in end applications utilizing these devices. Especially critical layout aspects in high-speed HDMI bus have been carefully addressed in this demonstration board.
August 2008
Rev 1
1/29
www.st.com
Contents
UM0576
Contents
1 Getting started . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
1.1 1.2 1.3 1.4 1.5 System requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Package content . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Hardware installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Powering on the system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Default setting of the system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2
Using the HDMI and video switches demonstration board . . . . . . . . . . 7
2.1 The various input/output connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2.1.1 2.1.2 2.1.3 2.1.4 2.1.5 2.1.6 2.1.7 2.1.8 VGA I/O . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 S-video I/O . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 CVBS connector (composite video) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Y, Pb, Pr connectors (component video) . . . . . . . . . . . . . . . . . . . . . . . . . 8 HDMI connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 DVI connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 RESET button . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 DC supply socket . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
2.2
The jumpers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
2.2.1 2.2.2 2.2.3 2.2.4 2.2.5 2.2.6 2.2.7 2.2.8 2.2.9 2.2.10 Demonstrating the STMAV335: VGA active . . . . . . . . . . . . . . . . . . . . . . 11 Demonstrating the STMAV335: S-video and CVBS active . . . . . . . . . . 12 Demonstrating the STMAV335: DVI-I analog active . . . . . . . . . . . . . . . 13 Demonstrating the STMAV340: Y, Pb, Pr active . . . . . . . . . . . . . . . . . . 14 Demonstrating the STMAV340: VGA and CVBS active . . . . . . . . . . . . . 15 Demonstrating the STDVE003A: HDMI IN1 active . . . . . . . . . . . . . . . . 16 Demonstrating the STDVE003A: HDMI IN2 active . . . . . . . . . . . . . . . . 17 Demonstrating the STDVE003A: DVI-I active . . . . . . . . . . . . . . . . . . . . 18 Demonstrating the STHDMI002A: DVI-I active . . . . . . . . . . . . . . . . . . . 19 Demonstrating the STHDMI002A: HDMI-1 active . . . . . . . . . . . . . . . . . 20
Appendix A Abbreviations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 Appendix B Schematic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 Appendix C Bill of material . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
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List of figures
List of figures
Figure 1. Figure 2. Figure 3. Figure 4. Figure 5. Figure 6. Figure 7. Figure 8. Figure 9. Figure 10. Figure 11. Figure 12. Figure 13. Figure 14. Figure 15. Figure 16. Figure 17. Figure 18. Figure 19. Figure 20. Figure 21. Figure 22. Figure 23. Figure 24. Figure 25. HDMI and video switches demonstration board, STEVAL-CCH002V1 . . . . . . . . . . . . . . . . 4 Power supply connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Power-on condition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 System stable, ready to use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 VGA connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 S-video connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 RCA jacks for CVBS and Y/Pb/Pr. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 HDMI connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 DVI connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Placement of DVI and HDMI output connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 The RESET button . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 DC power socket . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Jumper settings for VGA input through the STMAV335 . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 Jumper settings for S-video and CVBS input through the STMAV335 . . . . . . . . . . . . . . . . 12 Jumper settings for DVI analog through the STMAV335 . . . . . . . . . . . . . . . . . . . . . . . . . . 13 Jumper settings for Y/Pb/Pr input through the STMAV340 . . . . . . . . . . . . . . . . . . . . . . . . 14 Jumper settings for VGA and CVBS input through the STMAV340 . . . . . . . . . . . . . . . . . . 15 Jumper settings for HDMI IN1 input through the STDVE003A . . . . . . . . . . . . . . . . . . . . . . 16 Jumper settings for HDMI IN2 input through the STDVE003A . . . . . . . . . . . . . . . . . . . . . . 17 Jumper settings for DVI-I input through the STDVE003A. . . . . . . . . . . . . . . . . . . . . . . . . . 18 Jumper settings for DVI-I input through the STHDMI002A . . . . . . . . . . . . . . . . . . . . . . . . . 19 Jumper settings for HDMI IN1 input through the STHDMI002A . . . . . . . . . . . . . . . . . . . . . 20 Schematic (part 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 Schematic (part 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 Schematic (part 3) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
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Getting started
UM0576
1
1.1
Getting started
System requirements
The system operates in standalone mode by powering externally using the supplied power adaptor, or with any general purpose 9 V adaptor with a current rating of 500 mA.
1.2
Package content
The HDMI and video switches demonstration board package includes:
Hardware One demonstration board, type STEVAL-CCH002V1 One power supply (9 V adaptor) User manual
Documentation
1.3
Hardware installation
The demonstration board can be powered through the external power supply adaptor. Figure 1. HDMI and video switches demonstration board, STEVAL-CCH002V1
AM00913v1
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Getting started The major components present on the demonstration board are the following (see Figure 1): 1. 2. 3. 4. 5. 6. 7. 8. 9. VGA input connector VGA output connector Backlit LCD, 16 char x 2 line alphanumeric S-video input connector S-video output connector Y, Pb, Pr input connector set Y, Pb, Pr output connector set CVBS input connector CVBS output connector
10. HDMI input connector set 11. HDMI output connector set 12. DVI-I connector 13. Reset switch 14. Power supply jack Several jumpers are also visible, but their application/significance is explained in Section 2.2: The jumpers.
1.4
Powering on the system
As soon as the 9 V DC power supply is plugged in, the system is up and running Figure 2. Power supply connections
AM00914v1
Connect the 9V DC adaptor jack to this connector as shown in Figure 2.
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Getting started
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At power-on a startup message appears as shown below, and persists for about 2 seconds. Figure 3. Power-on condition
AM00915v1
After a short delay, the current state of selection is displayed. Note: Display may differ from case to case, depending on the state of the jumpers.
1.5
Default setting of the system
Figure 4. System stable, ready to use
AM00916v1
The demonstration board is factory-set as STDVE003A DVI-I DIGITAL.
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Using the HDMI and video switches demonstration board
2
Using the HDMI and video switches demonstration board
The various input/output connectors
Industry-standard connectors with appropriate genders have been provided on the board for the various video formats supported. Standard interconnects available on the market may be used during evaluation of the devices. However, the quality of the cables should be ensured so as not to introduce artifacts within the signal, resulting in apparent degradation in performance.
2.1
2.1.1
VGA I/O
Standard 15-pin female type shell connectors have been provided on the board for the VGA in/outs. These are similar to PC analog monitor video connectors. Figure 5. VGA connectors
AM00917v1
2.1.2
S-video I/O
Shielded 4-pin mini DIN, female industry-standard connectors have been provided for Svideo signals found in DVD players, AV receivers, and laptop outputs Figure 6. S-video connector
AM00918v1
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Using the HDMI and video switches demonstration board
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2.1.3
CVBS connector (composite video)
Female RCA connectors for accepting standard male RCA jacks have been provided for CVBS in/outs.
2.1.4
Y, Pb, Pr connectors (component video)
A set of three female RCA sockets have been provided. One set is for the input, the other set for the output. Figure 7. RCA jacks for CVBS and Y/Pb/Pr
AM00919v1
2.1.5
HDMI connectors
A set of two HDMI connectors has been provided for the input side while another set of two connectors has been provided for the output side. These are standard type A sockets and accept commercially available HDMI receptacles. Figure 8. HDMI connectors
AM00920v1
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Using the HDMI and video switches demonstration board
2.1.6
DVI connector
One DVI-I combined analog and digital, female connector has been provided. The output is routed to any one of the VGA or HDMI connectors, for analog and digital respectively. Figure 9. DVI connector
AM00921v1
It is placed on the bottom side of the demonstration board along with two HDMI output connectors, as shown below. Figure 10. Placement of DVI and HDMI output connectors
AM00922v1
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Using the HDMI and video switches demonstration board
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2.1.7
RESET button
The RESET button actually resets the processor in case it gets "hung up". It does NOT affect the functionality of the demonstration board, except that the display might become irrelevant for a moment, after recovering from a RESET. Figure 11. The RESET button
AM00923v
2.1.8
DC supply socket
A standard adaptor socket has been provided as a power inlet port for the demonstration board. It is polarity protected to accept a center positive adaptor, e.g. the one supplied with the demonstration board. Figure 12. DC power socket
AM00924v1
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Using the HDMI and video switches demonstration board
2.2
The jumpers
There are several jumpers on the board, some of which determine demonstration board functionality, some may be left as it is, or may be used for signal tracing/factory debugging. We will start with the essential ones, case by case, as required for demonstrating the various functions of the demonstration board.
2.2.1
Demonstrating the STMAV335: VGA active
Figure 13. Jumper settings for VGA input through the STMAV335
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Using the HDMI and video switches demonstration board
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2.2.2
Demonstrating the STMAV335: S-video and CVBS active
Figure 14. Jumper settings for S-video and CVBS input through the STMAV335
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Using the HDMI and video switches demonstration board
2.2.3
Demonstrating the STMAV335: DVI-I analog active
Figure 15. Jumper settings for DVI analog through the STMAV335
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Using the HDMI and video switches demonstration board
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2.2.4
Demonstrating the STMAV340: Y, Pb, Pr active
Figure 16. Jumper settings for Y/Pb/Pr input through the STMAV340
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Using the HDMI and video switches demonstration board
2.2.5
Demonstrating the STMAV340: VGA and CVBS active
Figure 17. Jumper settings for VGA and CVBS input through the STMAV340
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Using the HDMI and video switches demonstration board
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2.2.6
Demonstrating the STDVE003A: HDMI IN1 active
Figure 18. Jumper settings for HDMI IN1 input through the STDVE003A
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Using the HDMI and video switches demonstration board
2.2.7
Demonstrating the STDVE003A: HDMI IN2 active
Figure 19. Jumper settings for HDMI IN2 input through the STDVE003A
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Using the HDMI and video switches demonstration board
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2.2.8
Demonstrating the STDVE003A: DVI-I active
Figure 20. Jumper settings for DVI-I input through the STDVE003A
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Using the HDMI and video switches demonstration board
2.2.9
Demonstrating the STHDMI002A: DVI-I active
Figure 21. Jumper settings for DVI-I input through the STHDMI002A
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Using the HDMI and video switches demonstration board
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2.2.10
Demonstrating the STHDMI002A: HDMI-1 active
Figure 22. Jumper settings for HDMI IN1 input through the STHDMI002A
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Abbreviations
Appendix A
Table 1.
No. 1 2 3 4 5 6 7 8 9 10 11
Abbreviations
Abbreviations
Acronym VGA HDMI DVI LCD LED DVD S-video ICC GND Y, Pb, Pr CVBS Definition Video graphics array High-definition multimedia interface Digital video interconnect Liquid crystal display Light emitting diode Digital versatile disc Two-wire analog video format In-circuit communication Ground Component video, analog format, three-wire Composite video, analog format, single wire
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Schematic
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Appendix B
Schematic
Figure 23. Schematic (part 1)
AM01035v1
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Schematic
Figure 24. Schematic (part 2)
AM01036v1
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Schematic
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Figure 25. Schematic (part 3)
AM01037v1
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Bill of material
Appendix C
Table 2.
Bill of material
Bill of material
Qty 1 1 1 1 1 1 1 1 1 1 4 1 1 5 3 2 3 12 Reference HDMI/DVI 2:1 switch HDMI/DVI 3:1 switch and equalizer Analog video switch Analog video switch I2C buffer S-video buffer CVBS buffer Y Pb Pr buffer RGB buffer ST7-MCU Electronic SPDT switches 3.3 V voltage regulator 5 V voltage regulator Protection device (analog video lines) Protection device (DVI lines) Protection device (analog video lines) Protection device (analog video lines) Protection device (HDMI lines) Value/ generic part number STHDMI002A STDVE003A STMAV335 STMAV340 ST4300 TSH72 TSH120 TSH343 TSH344 ST7FLITE39 STG719 LD1117V33 LD1117V50 DALC2084SC6 DVIUL6-4SC6 ESDALC6V1 M6 ESDALC6V1 M3 HDMIUL64SC6 Package TQFP48 TQFP80 TSSOP16 TSSOP16 MSO-8L SO8 SOT323-6 SO8 SO8 SO20 SOT23-6L TO-220 TO-220 SOT23-6L SOT23-6L MICRO QFN SOT883 SOT23-6L Manufacturer STMicroelectronics STMicroelectronics STMicroelectronics STMicroelectronics STMicroelectronics STMicroelectronics STMicroelectronics STMicroelectronics STMicroelectronics STMicroelectronics STMicroelectronics STMicroelectronics STMicroelectronics STMicroelectronics STMicroelectronics STMicroelectronics STMicroelectronics STMicroelectronics
Designator U11 U35 U19 U18 U7 U20 U39 U28 U27 U31 U23,U24,U25,U26 U29 U30 U13,U40,U14,U41,U15 U8,U9,U10 U21,U22 U12,U16,U17 U1,U2,U3,U4,U5,U6,U32, U33,U34,U36,U37,U38
ICC ZD2 D3 D1 J1,J42,J3,J45 J7
1 1 1 1 4 1
ICC connector Transil LED Schottky diode HDMI connector(19-pin) DVI-I connector BZW50-15 SMD LED STPS1L30A
Header 5x2/ IDC10B STMicroelectronics SMD SMA SMT STMicroelectronics Microcross Microcross
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Bill of material Table 2. Bill of material (continued)
Qty Reference Value/ generic part number Package
UM0576
Designator J21,J22,J23,J24,J36,J37, J38,J39 J20,J35 J9,J34 S1 J40 J41 J4,J13,J14,J15,J16,J17, J18,J19,J46,J47,J48,J49, J51,J52,J53 J5,J6J11,J12,J26,J27, J28,J29,J30,J31,J32,J33, J10,J25 R36.R37,R38,R39,R42 R9,R10,R12,R28,R40, R41,R49,R50,R56,R57,R 58,R59,R60 R21 R23,R43,R44 R1,R2,R3,R4,R5,R6,R7, R27,R20,R26,R24,R30, R31,R32,R33,R34,R35, R25,R51,R52,R53,R54, R55 R8,R11,R13,R14,R15, R16,R17,R18,R19,R45, R46,R47 R22 R29 R48 L1,L2,L3,L4,L5,L6 L7,L8 C1,C2,C51,C53 C65 C64
Manufacturer
8 2 2 1 1 1
RCA connectors S-video connectors (4-pin) VGA connectors (15-pin) Switch Power jack 16 pin connector (16x2 alphanumeric LCD) CON2 (2-pin connector) GDM1602A 09-03290-01
CUI Inc Kobiconn Kobiconn
ALPHANUMERIC XIAMEN OCULAR LCD
15
SIP-2 (berg strip)
Any
14 5 13 1 3
CON3 (3-pin connector) Resistance Resistance Resistance Resistance 0E 1 k 2.7 k 4.7 k
SIP-3 (berg strip) 805 805 805 805
Any Any Any Any Any
23
Resistance
10 k
805
Any
12 1 1 1 6 2 4 1 1
Resistance Resistance Resistance Resistance Inductor Feriite beads Capacitor Capacitor Capacitor
75E 100E 330E 470 k 470 nH
805 805 805 805 805 805
Any Any Any Any
MURATA Any Any Any
1 nF 4.7 pF 8.2 pF
805 805 805
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UM0576 Table 2. Bill of material (continued)
Qty 1 Reference Capacitor Value/ generic part number 4.7 F Package 1206
Bill of material
Designator C8 C42,C43,C45,C44,C41, C40,C49,C50,C48,C39, C11,C47,C46,C63,C35, C10,C36 C14,C15,C16,C17,C18, C19,C24,C25,C26,C27, C28,C29 C56,C57,C58,C59,C60, C61 C3,C4,C5,C6,C7,C9,C12, C13,C30,C31,C33,C34, C37,C32,C38,C52,C54 C21,C23 C55,C62 C20,C22
Manufacturer Any
17
Capacitor
10 nF
805
Any
12
Capacitor
68 pF
805
6
Capacitor
47 F
1206
Any
17 2 2 2
Capacitor Capacitor Capacitor Capacitor
100 nF 100 F 220 F 470 nF
805 1206 Thru hole 805
Any Any Any Any
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Revision history
UM0576
Revision history
Table 3.
Date 20-Aug-2008
Document revision history
Revision 1 Initial release Changes
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Document Number: 14938