Dreamcast:Connector Pinouts: Difference between revisions

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(Created page with "==TODO== Better formatting, controller pinouts, images of connectors. {| class="wikitable" |+ AV Connector |- ! Pin !! Description !! TV Mode (NOT SCART, svid/composite out) !! SCART (15khz RGBS) !! VGA (31khz RGBHV) |- | 1 || Ground || Ground || Ground || Ground |- | 2 || Right Channel Audio (red RCA) || Right Audio || Right Audio || Right Audio |- | 3 || Left/Mono Channel Audio (white RCA)|| Mono/Left Audio || Mono/Left Audio || Mono/Left Audio |- | 4 || 12v DC out...")
 
(3 intermediate revisions by the same user not shown)
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==TODO== Better formatting, controller pinouts, images of connectors.
[[Category:Pinouts]]


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|MODEMCS}}
| enable modem/lan adapter
! 6
| {{ActiveLow|IRQA}}
| used by modem/lan adapter
|-
|-
! Pin !! Description !! TV Mode (NOT SCART, svid/composite out) !! SCART (15khz RGBS) !! VGA (31khz RGBHV)
! 7
| ?
|
! 8
| ?
|
|-
|-
| 1 || Ground || Ground || Ground || Ground
! 9
| ?
|
! 10
| GND
|
|-
|-
| 2 || Right Channel Audio (red RCA) || Right Audio || Right Audio || Right Audio
! 11
| GND
|
! 12
| GND
|
|-
|-
| 3 || Left/Mono Channel Audio (white RCA)|| Mono/Left Audio || Mono/Left Audio || Mono/Left Audio
! 13
| {{ActiveLow|IRQB}}
| used by broadband adapter
! 14
| {{ActiveLow|LBE}}
{{ActiveLow|WR}}
| Lower byte enable (output)
Write enable when MODEMCS low
|-
|-
| 4 || 12v DC output || +12v DC || +12v DC || +12v DC
! 15
| ?
|
! 16
| {{ActiveLow|UBE}}
{{ActiveLow|RD}}
| Upper byte enable
Read enable when MODEMCS low
|-
|-
| 5|| 5v DC output || +5v DC || +5v DC || +5v DC
! 17
| +3.3v
|
! 18
| +3.3v
|
|-
|-
| 6 || Sense Pin 1 || n/c || n/c || Connected to ground
! 19
| +3.3v
|
! 20
| {{ActiveLow|BTB}}
| Bus termination B
|-
|-
| 7 || Sense Pin 2 || n/c || Connected to ground || Connected to ground
! 21
| {{ActiveLow|AEN}}
| Address enable
! 22
| {{ActiveLow|BTA}}
| Bus Termination A
|-
|-
| 8 || Vertical Sync || Present but unused || Present but unused || VGA VSYNC
! 23
| GND
|
! 24
| GND
|
|-
|-
| 9 || Horizontal Sync || Present but unused || Present but unused || VGA HSYNC
! 25
| AD15
|
! 26
| AD14
|
|-
|-
| 10 || Composite Sync || n/c (?) || CSYNC || n/c
! ...
|colspan=5 style="text-align:center"|Address and Data multiplexed 16 bit bus
|-
|-
| 11 || Chroma || SVid Chroma || Present (?) || n/c
! 39
| AD1
|
! 40
| AD0
|
|-
|-
| 12 || Luma || SVid Luma || Present (?) || n/c
! 41
| GND
| guard GND of system clock
! 42
| GND
| guard GND of system clock
|-
|-
| 13 || Composite Video || Composite Video || Present (?) || n/c
! 43
| CLK
| System Clock (25MHz
! 44
| GND
|
|-
|-
| 14 || Blue || n/c || SCART Blue|| VGA Blue
! 45
| GND
|
! 46
| {{ActiveLow|RESET}}
| System Reset
|-
|-
| 15 || Green || n/c || SCART Green|| VGA Green
! 47
| GND
|
! 48
| GND
|
|-
|-
| 16 || Red || n/c || SCART Red || VGA Red
! 49
| ?
|
! 50
| ?
|
|}
|}

Revision as of 08:04, 23 February 2023


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 MODEMCS enable modem/lan adapter 6 IRQA used by modem/lan adapter
7 ? 8 ?
9 ? 10 GND
11 GND 12 GND
13 IRQB used by broadband adapter 14 LBE

WR

Lower byte enable (output)

Write enable when MODEMCS low

15 ? 16 UBE

RD

Upper byte enable

Read enable when MODEMCS low

17 +3.3v 18 +3.3v
19 +3.3v 20 BTB Bus termination B
21 AEN Address enable 22 BTA Bus Termination A
23 GND 24 GND
25 AD15 26 AD14
... Address and Data multiplexed 16 bit bus
39 AD1 40 AD0
41 GND guard GND of system clock 42 GND guard GND of system clock
43 CLK System Clock (25MHz 44 GND
45 GND 46 RESET System Reset
47 GND 48 GND
49 ? 50 ?
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