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Merge pull request #63 from LawrenceBrode/master
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Update pinouts.md
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nicolasnoble authored Apr 8, 2024
2 parents b818fee + 1bf2839 commit f663b9d
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24 changes: 16 additions & 8 deletions docs/pinouts.md
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Expand Up @@ -748,14 +748,22 @@ Earlier boards are generating analog RGB via 64pin IC207, and later boards RGB
via 48pin IC502.<br/>

#### IC502 48pin "SONY CXA2106R-T4" - 24bit RGB video D/A converter
```
1-(cap) 7-Comp. 13-/PAL 19-R4 25-G7 31-G1 37-B3 43-NC
2-GND 8-Chro. 14-C/SYNC 20-5.0V 26-G6 32-G0 38-B2 44-(cap)
3-Red 9-5.0V 15-4.4MHz 21-R3 27-G5 33-B7 39-B1 45-GND
4-Green 10-YTRAP 16-R7 22-R2 28-G4 34-B6 40-B0 46-(cap)
5-Blue 11-NC 17-R6 23-R1 29-G3 35-B5 41-DOTCLK 47-5.0V
6-Lum. 12-NC 18-R5 24-R0 30-G2 36-B4 42-GND 48-(cap)
```

| PIN | PINOUT | NOTES | PIN | PINOUT | NOTES | PIN | PINOUT | NOTES | PIN | PINOUT | NOTES |
|----- |------------ |------- |----- |-------- |------- |----- |-------- |------- |----- |--------- |------- |
| 1 | BCLAMP | | 13 | NT/PAL | | 25 | GREEN7 | | 37 | BLUE3 | |
| 2 | AGND2 | GND | 14 | SYNCIN | | 26 | GREEN6 | | 38 | BLUE2 | |
| 3 | ROUT | | 15 | SCIN | | 27 | GREEN5 | | 39 | BLUE1 | |
| 4 | GOUT | | 16 | RED7 | | 28 | GREEN4 | | 40 | BLUE0 | |
| 5 | BOUT | | 17 | RED6 | | 29 | GREEN3 | | 41 | VCLK | |
| 6 | YOUT | | 18 | RED5 | | 30 | GREEN2 | | 42 | DGND | GND |
| 7 | COUT | | 19 | RED4 | | 31 | GREEN1 | | 43 | VREFIN | N.C |
| 8 | VOUT | | 20 | DVDD | +5V | 32 | GREEN0 | | 44 | VREFOUT | |
| 9 | AVCC2 | +5V | 21 | RED3 | | 33 | BLUE7 | | 45 | AGND1 | GND |
| 10 | YTRAP | | 22 | RED2 | | 34 | BLUE6 | | 46 | RCRAMP | |
| 11 | N.C | | 23 | RED1 | | 35 | BLUE5 | | 47 | AVCC1 | +5V |
| 12 | POWER_SAVE | N.C | 24 | RED0 | | 36 | BLUE4 | | 48 | GCLAMP | |

Pin 3..8 (analogue outputs) are passed via external 75 ohm resistors.<br/>
Pin 6,7 additionally via 220uF. Pin 8 additionally via smaller capacitor.<br/>
Pin 10 (YTRAP) wired via 2K7 to 5.0V.<br/>
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