PPU pinout: Revision history

15 February 2023

• curprev 02:3802:38, 15 February 2023‎ Lidnariq talk contribs‎ 6,150 bytes +45‎ →‎See also: fix deadlink

17 September 2022

• curprev 06:4506:45, 17 September 2022‎ Lidnariq talk contribs‎ 6,105 bytes +122‎ →‎Composite Video Output: HVC-CPU-GPM-02 an exception for AV mod

28 April 2022

• curprev 22:2322:23, 28 April 2022‎ Quietust talk contribs‎ m 5,983 bytes 0‎ mark open-drain output

27 April 2022

• curprev 05:5305:53, 27 April 2022‎ Fiskbit talk contribs‎ m 5,983 bytes 0‎ Fiskbit moved page PPU pin out and signal description to PPU pinout: Changes page name to fit the format of other pinout pages.

15 January 2022

• curprev 03:1403:14, 15 January 2022‎ Quietust talk contribs‎ m 5,983 bytes +52‎ /NMI is open drain, so there's also a pullup

6 December 2021

• curprev 23:1123:11, 6 December 2021‎ Ben Boldt talk contribs‎ 5,931 bytes +318‎ Additional notes.

14 June 2021

• curprev 03:4203:42, 14 June 2021‎ Ben Boldt talk contribs‎ 5,613 bytes +122‎ →‎Composite Video Output: Corrected PNP ascii graphic and added that 2N3906 can be substituted.

23 March 2021

• curprev 21:3121:31, 23 March 2021‎ Lidnariq talk contribs‎ 5,491 bytes +73‎ →‎Signal description: maybe 2C04 EXT3 is analog ground?
• curprev 20:5920:59, 23 March 2021‎ Quietust talk contribs‎ m 5,418 bytes +27‎ No edit summary
• curprev 20:5720:57, 23 March 2021‎ Quietust talk contribs‎ m 5,391 bytes +100‎ Then again, I suppose it could go either way...
• curprev 20:5620:56, 23 March 2021‎ Quietust talk contribs‎ 5,291 bytes +82‎ →‎Signal description: A dual-PPU system would have no use for genlock, but if you're using $2000.6 and the EXT pins then you'd absolutely want to keep them perfectly synchronized with each other
• curprev 20:3220:32, 23 March 2021‎ Quietust talk contribs‎ m 5,209 bytes −19‎ →‎Signal description: siliconpr0n has a top-layer image of an RP2C04-0003, and EXT3 is connected directly to GND inside the chip.

21 March 2021

• curprev 05:2705:27, 21 March 2021‎ Ben Boldt talk contribs‎ 5,228 bytes +48‎ →‎Signal description: Added comment, /CS is sometimes called /DBE.

20 February 2021

• curprev 16:1216:12, 20 February 2021‎ Tepples talk contribs‎ 5,180 bytes +32‎ →‎See also: final bulleted list + no <references/> = unbalanced tags. Fix

12 February 2020

• curprev 02:3902:39, 12 February 2020‎ Ben Boldt talk contribs‎ 5,148 bytes −61‎ →‎Composite Video Output: Flipped entire schematic vertically so GND is on bottom, and integrated Lidnariq's addition into the text.

10 February 2020

• curprev 18:2718:27, 10 February 2020‎ Lidnariq talk contribs‎ 5,209 bytes +114‎ →‎Composite Video Output
• curprev 15:2415:24, 10 February 2020‎ Ben Boldt talk contribs‎ m 5,095 bytes 0‎ →‎Composite Video Output: typo
• curprev 15:2015:20, 10 February 2020‎ Ben Boldt talk contribs‎ m 5,095 bytes +188‎ Added statement not to cut PPU pins or wrap in foil.
• curprev 15:0915:09, 10 February 2020‎ Ben Boldt talk contribs‎ 4,907 bytes +1,484‎ Added composite video amplifier circuit. People always ask about this, not sure if this is the best spot for it.

3 November 2017

• curprev 22:0622:06, 3 November 2017‎ Lidnariq talk contribs‎ m 3,423 bytes −34‎ →‎See also: link to my corrected schematic now that that's a thing

29 May 2017

• curprev 21:2221:22, 29 May 2017‎ Myask talk contribs‎ 3,457 bytes +2‎ set off Vs./PC-10 info make the EXT3 statement clearly only to them

5 August 2016

• curprev 18:3418:34, 5 August 2016‎ Lidnariq talk contribs‎ 3,455 bytes +1‎ let's explicitly mark D0-D7 also part of the CPU's buses too
• curprev 18:2418:24, 5 August 2016‎ Rainwarrior talk contribs‎ m 3,454 bytes +2‎ →‎Pin out: horizontal shift
• curprev 18:2318:23, 5 August 2016‎ Rainwarrior talk contribs‎ 3,452 bytes +72‎ adding CPU/PPU prefix to A instead of renaming CPU to R, suggested by bregalad
• curprev 18:0918:09, 5 August 2016‎ Rainwarrior talk contribs‎ 3,380 bytes +15‎ renaming CPU address A2-A0 to R2-R0 to avoid confusion between this and the PPU address which is also mostly using A to label pins?

16 March 2015

• curprev 01:5701:57, 16 March 2015‎ Koitsu talk contribs‎ 3,365 bytes −4‎ →‎Signal description

13 July 2014

• curprev 21:1021:10, 13 July 2014‎ Lidnariq talk contribs‎ 3,369 bytes +228‎ →‎Signal description: add vs/pc10 pinout variations

26 March 2014

• curprev 00:3400:34, 26 March 2014‎ Lidnariq talk contribs‎ 3,141 bytes +363‎ link to more schematics

22 May 2013

• curprev 20:3720:37, 22 May 2013‎ Ulfalizer talk contribs‎ 2,778 bytes +17‎ Explain AD abbreviation
• curprev 20:3220:32, 22 May 2013‎ Ulfalizer talk contribs‎ 2,761 bytes +16‎ Call the control register PPUCTRL and add link to PPU registers page
• curprev 19:1219:12, 22 May 2013‎ Zzo38 talk contribs‎ 2,745 bytes +10‎ No edit summary
• curprev 17:5917:59, 22 May 2013‎ Ulfalizer talk contribs‎ 2,735 bytes +62‎ Add link to wiring diagram
• curprev 17:5617:56, 22 May 2013‎ Ulfalizer talk contribs‎ 2,673 bytes +23‎ Explain ALE abbreviation
• curprev 17:5517:55, 22 May 2013‎ Ulfalizer talk contribs‎ 2,650 bytes +124‎ Clarify the CPU side of things
• curprev 17:4917:49, 22 May 2013‎ Ulfalizer talk contribs‎ 2,526 bytes +80‎ /WR does not assert for writes to the palette
• curprev 17:3017:30, 22 May 2013‎ Ulfalizer talk contribs‎ 2,446 bytes −32‎ ALE doesn't "tell the PPU" - it's an output pin
• curprev 17:2417:24, 22 May 2013‎ Ulfalizer talk contribs‎ 2,478 bytes +87‎ Add some more ALE details
• curprev 17:1917:19, 22 May 2013‎ Ulfalizer talk contribs‎ 2,391 bytes +55‎ Add link to 'PPU rendering' for ALE details

31 March 2013

• curprev 18:1818:18, 31 March 2013‎ Lidnariq talk contribs‎ 2,336 bytes −89‎ →‎Signal description: Yeah, I never really trusted the "/VBL->/SYNC" comment either...
• curprev 15:4915:49, 31 March 2013‎ Quietust talk contribs‎ m 2,425 bytes −25‎ →‎Signal description
• curprev 15:4815:48, 31 March 2013‎ Quietust talk contribs‎ 2,450 bytes +18‎ →‎Signal description
• curprev 15:2315:23, 31 March 2013‎ Quietust talk contribs‎ 2,432 bytes −1‎ rename VBL to INT
• curprev 15:2015:20, 31 March 2013‎ Quietust talk contribs‎ 2,433 bytes +370‎ This is a RESET signal (the "Family Computer Schematic" on nesdev.com even labels it as such), not SYNC...

11 March 2013

• curprev 20:4520:45, 11 March 2013‎ Lidnariq talk contribs‎ m 2,063 bytes +21‎ add cat:pinouts

22 January 2013

• curprev 07:1307:13, 22 January 2013‎ Lidnariq talk contribs‎ m 2,042 bytes −9‎ →‎Signal description: s/values/indices/, maybe that's clearer

1 November 2012

• curprev 16:0816:08, 1 November 2012‎ Quietust talk contribs‎ 2,051 bytes +236‎ No edit summary

24 August 2012

• curprev 20:2820:28, 24 August 2012‎ Lidnariq talk contribs‎ m 1,815 bytes +51‎ →‎Signal description: add a PAL difference; link to video voltage listing

23 August 2012

• curprev 19:5119:51, 23 August 2012‎ Lidnariq talk contribs‎ 1,764 bytes +1,764‎ copy and reformat from brad taylor (http://nesdev.com/2C02%20technical%20reference.TXT)