Kontron COMe Starterkit Eval T2 Manual de usuario Pagina 102
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COM Express Interfaces
2.13.3. VGA Reference Schematics
This reference schematic shows a circuitry implementing a VGA port.
Figure 37: VGA Reference Schematics
PICMG
®
COM Express
®
Carrier Board Design Guide Draft Rev. 2.0 / December 6, 2013 102/218
VGA_RED_C
DDCK_RC DDCK_C
VCCDDC
VGA_BLU_C
VGA_GRN_C
DDDA_C
VCCDDC_F
HSY_C
DDDA_RC
BYP
VSY_C
VCC_5V0
VCC_CRTESD_5V0
VCC_CRTESD_5V0
VCC_5V0
VCC_5V0
CEX
VGA_I2C_DAT
CEX
VGA_I2C_CK
CEX
VGA_HSYNC
CEX
VGA_VSYNC
CEX
CB_RESET#
CEX
VGA_RED
CEX
VGA_GRN
CEX
VGA_BLU
Note: Connection between logic GND and
chassis depends on grounding architecture.
Connect GND with chassis on a single point
even this connection is drawn on all schematic
examples throughout this document.
ESD protection Buffering
Note: level shift CRT DDC from 3.3V to 5V
enable with CB_RESET# to prevent leakage
VGA
R227
100k
R227
100k
CN10
10p
CN10
10p
1
2
3
4 5
6
7
8
F11
NANOSMDM075F
F11
NANOSMDM075F
FB98
120R/0.6A
FB98
120R/0.6A
C296
10p
C296
10p
CN11
10p
CN11
10p
1
2
3
4 5
6
7
8
D36 BAT54AD36 BAT54A
2 1
3
FB99
120R/0.6A
FB99
120R/0.6A
C297
10p
C297
10p
FB102
50-Ohms@100MHz 3A
FB102
50-Ohms@100MHz 3A
R228 100RR228 100R
FB100
120R/0.6A
FB100
120R/0.6A
C292
100n
C292
100n
C298
10p
C298
10p
C293
220n
C293
220n
C299
10p
C299
10p
FB101
120R/0.6A
FB101
120R/0.6A
FB96
100R/1A
FB96
100R/1A
FB57 120R/0.6AFB57 120R/0.6A
R125
100k
R125
100k
C300
10p
C300
10p
Q12
BS138
Q12
BS138
C295
220n
C295
220n
R229
R1%2K21S02
R229
R1%2K21S02
C294
220n
C294
220n
R230
R1%2K21S02
R230
R1%2K21S02
RN16
150R
RN16
150R
1
3
5
7
2
4
6
8
FB97
50-Ohms@100MHz 3A
FB97
50-Ohms@100MHz 3A
U32
CM2009
U32
CM2009
VCC_SYNC
1
VCC_VIDEO
2
VIDEO1
3
VIDEO2
4
VIDEO3
5
GND
6
VCC_DDC
7
BYP
8
DDC_OUT1
9
DDC_IN1
10
DDC_IN2
11
DDC_OUT2
12
SYNC_IN1
13
SYNC_OUT1
14
SYNC_IN2
15
SYNC_OUT2
16
C301
10p
C301
10p
R194 100RR194 100R
FB58 120R/0.6AFB58 120R/0.6A
J1403A
DSUB HD15
J1403A
DSUB HD15
RED
V1
GREEN
V2
BLUE
V3
ID2
V4
GND
V5
RGND
V6
GGND
V7
BGND
V8
KEY
V9
SGND
V10
ID0
V11
ID1/SDA
V12
HSYNC
V13
VSYNC
V14
ID3/SCL
V15
Q13
BS138
Q13
BS138
C302
10p
C302
10p
FB95 120R/0.6AFB95 120R/0.6A
C303
10p
C303
10p
- COM Express® 1
- Carrier Design Guide 1
- Contents 3
- 1. Preface 8
- 1.6. Name and logo usage 9
- 1.7. Intellectual property 10
- Term Description 11
- 1.10. Schematic Conventions 15
- 2. COM Express Interfaces 16
- COM Expre ss Module 17
- Type 10 17
- Table 4: Pin-out Comparison 20
- , the PCI 30
- 2.3.5. Schematic Examples 34
- Signal Pin Description I/O 45
- Figure 15: ExpressCard Size 45
- 2.4.1. Signal Definitions 48
- 2.4.2. PEG Configuration 49
- 2.4.3. Reference Schematics 52
- DisplayPort is supported 55
- DisplayPort Example 56
- Figure 21: HDMI Example 57
- Figure 22: DVI Example 59
- SDVO Port Configuration 61
- Supported SDVO Devices 62
- DVI_SDAROM 63
- DVI_SCLROM 63
- SDVO I2C Bus Address 63
- Write = 0111 0000 (70h) 63
- Read = 0111 0001 (71h) 63
- 2.6.1. Signal Definitions 66
- Earliest asserted 1ms after 68
- 3.3V, 5V and 12V are stable 68
- 2.7. LAN 70
- 2.7.2. Reference Schematics 73
- 2.8. USB Ports 76
- 2.8.2. Reference Schematics 77
- 2.9. USB 3.0 81
- 2.9.1.3. USB 3.0 connector 83
- 2.9.2. Reference Schematics 84
- 2.10. SATA 87
- Pins Signal Description 88
- SATA Port 89
- 2.11. LVDS 91
- Term Definition 94
- 2.11.2. Reference Schematics 97
- 2.12.1. Signal Definitions 99
- 2.12.2. Reference Schematics 100
- 2.13. VGA 101
- COM Express Interfaces 102
- 2.14. TV-Out 104
- COM Express Module 106
- AUDIO POWER 107
- AUDIO CODEC - ALC888 107
- ANALOG I/O CONNECTOR 107
- 2.15.1.2. AC'97 108
- Figure 41: Audio Amplifier 109
- 2.16.1. Signal Definition 111
- SUPER I/O 115
- COM1/COM2 116
- 2.17.1. Signal Definition 118
- 2.18.1. Signal Definitions 121
- 2.18.2. Reference Schematics 121
- 2.19.1. Signal Definitions 123
- 2.20.1. Signal Definitions 125
- C O M 1 C O M 2 126
- 2.21. CAN Interface 127
- 2.21.2. Reference Schematics 128
- 2.22. Miscellaneous Signals 129
- POWER ATX 133
- POWER AT 133
- Type 2 Detection 133
- 2.22.5. Watchdog Timer 137
- G P IO C o n n e c t o r 141
- 2.22.8. Fan Connector 142
- 2.22.9. Thermal Interface 143
- 2.23. PCI Bus 147
- 2.23.2. Reference Schematics 148
- 2.24.1. Signal Definitions 153
- 3. Power and Reset 156
- 3.2.1. ATX vs AT Supplies 157
- 3.2.2. Power States 157
- Power and Reset 158
- 3.2.5. Power Button 162
- 3.4. Reference Schematics 164
- Table 55: ATX Signal Names 166
- ATX Signal Name Description 166
- 3.5. Routing Considerations 167
- 3.5.3. VCC5_SBY Routing 168
- 4. BIOS Considerations 170
- Type Height Partnumber Note 171
- COM Express Module Connectors 172
- GND Plane 173
- Power Plane 173
- COM Express 175
- Table 60: Trace Parameters 176
- Symbol Definition 176
- Carrier Board 178
- Parameter Trace Routing 183
- Extended 194
- 7.2. Heatspreader 195
- (Ø2.7mm bore hole) 196
- (M2.5 thread) 196
- (Ø2.7 bore hole) 197
- Mechanical Considerations 198
- 8.3. Useful books 202
- 9.1. TV-Out 203
- 9.1.5. Signal Termination 206
- 9.1.6. Video Filter 206
- 9.1.7. ESD Protection 206
- 9.2. LPC Firmware Hub 207
- Appendix C: List of Tables 213
- Appendix D: List of Figures 215
- Table 79: Revision History 217
- Revision Date Author Changes 217
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