Dreamcast:Connector Pinouts: Difference between revisions

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(Add real signal names)
 
Line 122: Line 122:
|-
|-
! 5
! 5
| {{ActiveLow|MODEMCS}}
| {{ActiveLow|G2_MDMCSN}}
| enable modem/lan adapter
| Modem chip select
! 6
! 6
| {{ActiveLow|IRQA}}
| {{ActiveLow|G2_IRMDMIN}}
| used by modem/lan adapter
| used by modem/lan adapter
|-
|-
! 7
! 7
| ?
| {{ActiveLow|G2_RQDEVN}}
|
|
! 8
! 8
| ?
| {{ActiveLow|G2_RQEX1N}}
|
|
|-
|-
! 9
! 9
| ?
| {{ActiveLow|G2_RQEX0N}}
|
|
! 10
! 10
Line 150: Line 150:
|-
|-
! 13
! 13
| {{ActiveLow|IRQB}}
| {{ActiveLow|G2_IREXTN}}
| used by broadband adapter
| used by broadband adapter
! 14
! 14
| {{ActiveLow|LBE}}
| {{ActiveLow|G2_BLN}}
{{ActiveLow|WR}}
| Lower byte enable (output)
| Lower byte enable (output)
Write enable when MODEMCS low
Write enable when MODEMCS low
|-
|-
! 15
! 15
| ?
| {{ActiveLow|G2_STN}}
|
|
! 16
! 16
| {{ActiveLow|UBE}}
| {{ActiveLow|G2_BHN}}
{{ActiveLow|RD}}
| Upper byte enable
| Upper byte enable
Read enable when MODEMCS low
Read enable when MODEMCS low
Line 178: Line 176:
|
|
! 20
! 20
| {{ActiveLow|BTB}}
| {{ActiveLow|G2_DSN}}
| Bus termination B
| Bus termination B
|-
|-
! 21
! 21
| {{ActiveLow|AEN}}
| {{ActiveLow|G2_FRN}}
| Address enable
| Address enable
! 22
! 22
| {{ActiveLow|BTA}}
| {{ActiveLow|G2_TRN}}
| Bus Termination A
| Bus Termination A
|-
|-
Line 196: Line 194:
|-
|-
! 25
! 25
| AD15
| G2_AD15
|
|
! 26
! 26
| AD14
| G2_AD14
|
|
|-
|-
! ...
! 27
|colspan=5 style="text-align:center"|Address and Data multiplexed 16 bit bus
| 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
! 39
| AD1
| G2_AD1
|
|
! 40
! 40
| AD0
| G2_AD0
|
|
|-
|-
! 41
! 41
| GND
| GND
| guard GND of system clock
|
! 42
! 42
| GND
| GND
| guard GND of system clock
|
|-
|-
! 43
! 43
| CLK
| CLK
| System Clock (25MHz
| G2 interface clock (25MHz)
! 44
! 44
| GND
| GND
Line 230: Line 267:
|
|
! 46
! 46
| {{ActiveLow|RESET}}
|G_RST
| System Reset
| System Reset
|-
|-
Line 241: Line 278:
|-
|-
! 49
! 49
| ?
| MIDIOUT
|
|
! 50
! 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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