Dreamcast:Connector Pinouts: Difference between revisions

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[[Category:Pinouts]]
[[Category:Pinouts]]


TODO: Better formatting, controller pinouts, images of connectors.
TODO: images of connectors.


== Controller ==
{| class="wikitable" style="text-align:center"
|-
! Pin !! Name !! Description
|-
| 1 || D0 || Serial Data
|-
| 2 || +5V ||
|-
| 3 || GND ||
|-
| 4 || Sense || Grounded by controller
|-
| 5 || D1 || Serial Data
|}
== A/V Connector ==
{| class="wikitable" style="text-align:center"
|+ AV Connector
|-
! Pin !! Description !! TV Mode (V & Y/C Output) !! SCART (15khz RGBS) !! VGA (31khz RGBHV)
|-
| 1 || GND
|colspan=3| Ground
|-
| 2 || Audio Right
|colspan=3| Audio Right
|-
| 3 || Audio Left
|colspan=3| Audio Left
|-
| 4 || +12v DC
|colspan=3| +12v DC
|-
| 5 || +5v DC
|colspan=3| +5v DC
|-
| 6 || {{ActiveLow|VGA Select}}
| N/C || N/C || GND
|-
| 7 || {{ActiveLow|RGB Select}}
| N/C || GND || GND
|-
| 8 || VSYNC
| Present but unused || Present but unused || VGA VSYNC
|-
| 9 || HSYNC
| Present but unused || Present but unused || VGA HSYNC
|-
| 10 || CSYNC
| N/C? || CSYNC || N/C
|-
| 11 || C
| S-Video Chroma || N/C? || N/C
|-
| 12 || Y
| S-Video Luma || N/C? || N/C
|-
| 13 || V
| Composite Video || N/C? || N/C
|-
| 14 || B
| N/C || Blue || Blue
|-
| 15 || G
| N/C || Green || Green
|-
| 16 || R
| N/C || Red || Red
|}
== Serial Port ==
{| class="wikitable"
|-
! Pin !! Description
|-
| 1 || +5v
|-
| 2 || SCK?
|-
| 3 || GND
|-
| 4 || Rx
|-
| 5 || Tx
|-
| 6 || RTS
|-
| 7 || CTS
|-
| 8 || GND?
|-
| 9 || RESET?
|-
| 10 || +3.3v
|}
== Extension Port ==
Lower leftmost is pin 1, upper rightmost 50. Even pins along the top when looking at exterior of console.
{| class="wikitable"
{| class="wikitable"
|+ AV Connector
|+ CN501
|-
! Pin !! Name !! Description !! Pin !! Name !! Description
|-
! 1
| +5v
|
! 2
| +5v
|
|-
! 3
| +5v
|
! 4
| +5v
|
|-
! 5
| {{ActiveLow|G2_MDMCSN}}
| Modem chip select
! 6
| {{ActiveLow|G2_IRMDMIN}}
| used by modem/lan adapter
|-
! 7
| {{ActiveLow|G2_RQDEVN}}
|
! 8
| {{ActiveLow|G2_RQEX1N}}
|
|-
! 9
| {{ActiveLow|G2_RQEX0N}}
|
! 10
| GND
|
|-
! 11
| GND
|
! 12
| GND
|
|-
! 13
| {{ActiveLow|G2_IREXTN}}
| used by broadband adapter
! 14
| {{ActiveLow|G2_BLN}}
| Lower byte enable (output)
Write enable when MODEMCS low
|-
! 15
| {{ActiveLow|G2_STN}}
|
! 16
| {{ActiveLow|G2_BHN}}
| Upper byte enable
Read enable when MODEMCS low
|-
|-
! Pin !! Description !! TV Mode (NOT SCART, svid/composite out) !! SCART (15khz RGBS) !! VGA (31khz RGBHV)
! 17
| +3.3v
|
! 18
| +3.3v
|
|-
|-
| 1 || Ground || Ground || Ground || Ground
! 19
| +3.3v
|
! 20
| {{ActiveLow|G2_DSN}}
| Bus termination B
|-
|-
| 2 || Right Channel Audio (red RCA) || Right Audio || Right Audio || Right Audio
! 21
| {{ActiveLow|G2_FRN}}
| Address enable
! 22
| {{ActiveLow|G2_TRN}}
| Bus Termination A
|-
|-
| 3 || Left/Mono Channel Audio (white RCA)|| Mono/Left Audio || Mono/Left Audio || Mono/Left Audio
! 23
| GND
|
! 24
| GND
|
|-
|-
| 4 || 12v DC output || +12v DC || +12v DC || +12v DC
! 25
| G2_AD15
|
! 26
| G2_AD14
|
|-
|-
| 5|| 5v DC output || +5v DC || +5v DC || +5v DC
! 27
| G2_AD13
|
! 28
| G2_AD12
|
|-
|-
| 6 || Sense Pin 1 || n/c || n/c || Connected to ground
! 29
| G2_AD11
|
! 30
| G2_AD10
|
|-
|-
| 7 || Sense Pin 2 || n/c || Connected to ground || Connected to ground
! 31
| G2_AD9
|
! 32
| G2_AD8
|
|-
|-
| 8 || Vertical Sync || Present but unused || Present but unused || VGA VSYNC
! 33
| G2_AD7
|
! 34
| G2_AD6
|
|-
|-
| 9 || Horizontal Sync || Present but unused || Present but unused || VGA HSYNC
! 35
| G2_AD5
|
! 36
| G2_AD4
|
|-
|-
| 10 || Composite Sync || n/c (?) || CSYNC || n/c
! 37
| G2_AD3
|
! 38
| G2_AD2
|
|-
|-
| 11 || Chroma || SVid Chroma || Present (?) || n/c
! 39
| G2_AD1
|
! 40
| G2_AD0
|
|-
|-
| 12 || Luma || SVid Luma || Present (?) || n/c
! 41
| GND
|
! 42
| GND
|
|-
|-
| 13 || Composite Video || Composite Video || Present (?) || n/c
! 43
| CLK
| G2 interface clock (25MHz)
! 44
| GND
|
|-
|-
| 14 || Blue || n/c || SCART Blue|| VGA Blue
! 45
| GND
|
! 46
|G_RST
| System Reset
|-
|-
| 15 || Green || n/c || SCART Green|| VGA Green
! 47
| GND
|
! 48
| GND
|
|-
|-
| 16 || Red || n/c || SCART Red || VGA Red
! 49
| MIDIOUT
|
! 50
| MIDIIN
|
|}
|}

Latest revision as of 16:46, 22 April 2024


TODO: images of connectors.

Controller

Pin Name Description
1 D0 Serial Data
2 +5V
3 GND
4 Sense Grounded by controller
5 D1 Serial Data

A/V Connector

AV Connector
Pin Description TV Mode (V & Y/C Output) SCART (15khz RGBS) VGA (31khz RGBHV)
1 GND Ground
2 Audio Right Audio Right
3 Audio Left Audio Left
4 +12v DC +12v DC
5 +5v DC +5v DC
6 VGA Select N/C N/C GND
7 RGB Select N/C GND GND
8 VSYNC Present but unused Present but unused VGA VSYNC
9 HSYNC Present but unused Present but unused VGA HSYNC
10 CSYNC N/C? CSYNC N/C
11 C S-Video Chroma N/C? N/C
12 Y S-Video Luma N/C? N/C
13 V Composite Video N/C? N/C
14 B N/C Blue Blue
15 G N/C Green Green
16 R N/C Red Red

Serial Port

Pin Description
1 +5v
2 SCK?
3 GND
4 Rx
5 Tx
6 RTS
7 CTS
8 GND?
9 RESET?
10 +3.3v

Extension Port

Lower leftmost is pin 1, upper rightmost 50. Even pins along the top when looking at exterior of console.

CN501
Pin Name Description Pin Name Description
1 +5v 2 +5v
3 +5v 4 +5v
5 G2_MDMCSN Modem chip select 6 G2_IRMDMIN used by modem/lan adapter
7 G2_RQDEVN 8 G2_RQEX1N
9 G2_RQEX0N 10 GND
11 GND 12 GND
13 G2_IREXTN used by broadband adapter 14 G2_BLN Lower byte enable (output)

Write enable when MODEMCS low

15 G2_STN 16 G2_BHN Upper byte enable

Read enable when MODEMCS low

17 +3.3v 18 +3.3v
19 +3.3v 20 G2_DSN Bus termination B
21 G2_FRN Address enable 22 G2_TRN Bus Termination A
23 GND 24 GND
25 G2_AD15 26 G2_AD14
27 G2_AD13 28 G2_AD12
29 G2_AD11 30 G2_AD10
31 G2_AD9 32 G2_AD8
33 G2_AD7 34 G2_AD6
35 G2_AD5 36 G2_AD4
37 G2_AD3 38 G2_AD2
39 G2_AD1 40 G2_AD0
41 GND 42 GND
43 CLK G2 interface clock (25MHz) 44 GND
45 GND 46 G_RST System Reset
47 GND 48 GND
49 MIDIOUT 50 MIDIIN
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