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BlueRetro Core Pinout Specification

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Jacques Gagnon edited this page Sep 28, 2022 · 1 revision

Table of contents

Parallel 1P 5V (12 buttons)

ESP32 IO System Pin Name Use
IO5 7 DOWN Player 1 BTN
IO3 15 UP Player 1 BTN
IO27 5 B Player 1 BTN
IO26 13 A Player 1 BTN
IO23 6 RIGHT Player 1 BTN
IO18 14 LEFT Player 1 BTN
IO21 4 D Player 1 BTN
IO19 12 C Player 1 BTN
IO32 11 START Player 1 BTN
IO33 2 CREDIT Player 1 BTN
IO25 10 6 Player 1 BTN
IO22 3 SELECT Player 1 BTN

Parallel 2P 5V (6 buttons each)


ESP32 IO System Pin Name Use
IO5 2 P1_D Player 1 D1
IO3 1 P1_U Player 1 D0
IO27 9 P1_TR Player 1 D4
IO26 6 P1_TL Player 1 D5
IO23 4 P1_R Player 1 D3
IO18 3 P1_L Player 1 D2
IO21 2 P2_D Player 2 D1
IO19 1 P2_U Player 2 D0
IO16 9 P2_TR Player 2 D4
IO33 6 P2_TL Player 2 D5
IO25 4 P2_R Player 2 D3
IO22 3 P2_L Player 2 D2

FC / NES

ESP32 IO System Pin Name Use
IO32 3 OUT0 Latch for all accessories
IO19 4 P1_D0 Player 1 / Four Score DATA
IO5 2 P1_CUP Player 1 / Four Score CLK
IO22 4 P2_D0 Player 2 / Four Score DATA
IO18 2 P2_CUP Player 2 / Four Score CLK
IO21 13 P1_D1 FC 4P adapter P3 DATA
IO25 7 P2_D1 FC 4P adapter P4 DATA

PCE / TG16

ESP32 IO System Pin Name Use
IO3 2 P1_U Player 1 D0
IO5 3 P1_R Player 1 D1
IO18 4 P1_D Player 1 D2
IO23 5 P1_L Player 1 D3
I33 6 P1_SEL Player 1 SEL
IO26 7 P1_OE Player 1 /OE

Mega Drive / Genesis

ESP32 IO System Pin Name Use
IO5 2 P1_D Player 1 D1
IO3 1 P1_U Player 1 D0
I35 7 P1_TH Player 1 CTRL
IO27 9 P1_TR Player 1 D4/CTRL
IO26 6 P1_TL Player 1 D5/CTRL
IO23 4 P1_R Player 1 D3
IO18 3 P1_L Player 1 D2
IO21 2 P2_D Player 2 D1
IO19 1 P2_U Player 2 D0
I36 7 P2_TH Player 2 CTRL
IO16 9 P2_TR Player 2 D4/CTRL
IO33 6 P2_TL Player 2 D5/CTRL
IO25 4 P2_R Player 2 D3
IO22 3 P2_L Player 2 D2

SFC / SNES

ESP32 IO System Pin Name Use
IO5 2 P1_CLK Player 1 / Multitap 1 CLK
IO32 3 LATCH Latch for all accessories
IO19 4 P1_D0 Player 1 / Multitap 1 DATA
IO21 5 P1_D1 Multitap 1 DATA
IO23 6 P1_SEL Multitap 1 CTRL
IO18 2 P2_CLK Player 2 / Multitap 2 CLK
IO22 4 P2_D0 Player 2 / Multitap 2 DATA
IO25 5 P2_D1 Multitap 2 DATA
IO26 6 P2_SEL Multitap 2 CTRL

CD-i

ESP32 IO System Pin Name Use
IO23 7 RTS Enable
IO22 2 RXD Data
IO21 Front: 4 or Rear: 7 RTS Enable
IO19 Front: 1 or Rear: 2 RXD Data

3DO

ESP32 IO System Pin Name Use
IO21 9 DIN Data
IO22 7 CLK Clock

Jaguar

ESP32 IO System Pin Name Use
IO18 14 J8 Player 1 ROW OUT
IO19 13 J9 Player 1 ROW OUT
IO21 12 J10 Player 1 ROW OUT
IO22 11 J11 Player 1 ROW OUT
IO23 10 B1 Player 1 ROW OUT
IO25 6 B0 Player 1 ROW OUT
IO32 4 J0 Player 1 COL IN
IO33 3 J1 Player 1 COL IN
I35 2 J2 Player 1 COL IN
I36 1 J3 Player 1 COL IN

PSX / PS2

ESP32 IO System Pin Name Use
IO19 1 P1_RXD Player 1 DATA
IO32 2 P1_TXD Player 1 CMD
I34 6 P1_DTR Player 1 CS
IO33 7 P1_SCK Player 1 CLK
IO21 9 P1_DSR Player 1 ACK
IO22 1 P2_RXD Player 2 DATA
IO27 2 P2_TXD Player 2 CMD
IO5 6 P2_DTR Player 2 CS
IO26 7 P2_SCK Player 2 CLK
IO25 9 P2_DSR Player 2 ACK

Saturn

ESP32 IO System Pin Name Use
IO5 2 P1_D Player 1 D1
IO3 3 P1_U Player 1 D0
I35 4 P1_TH Player 1 CTRL
IO27 5 P1_TR Player 1 CTRL
IO26 6 P1_TL Player 1 CTRL
IO23 7 P1_R Player 1 D3
IO18 8 P1_L Player 1 D2
IO21 2 P2_D Player 2 D1
IO19 3 P2_U Player 2 D0
I36 4 P2_TH Player 2 CTRL
IO16 5 P2_TR Player 2 CTRL
IO33 6 P2_TL Player 2 CTRL
IO25 7 P2_R Player 2 D3
IO22 8 P2_L Player 2 D2

PC-FX

ESP32 IO System Pin Name Use
IO33 4 /LATCH Data
IO5 6 CLK Clock
IO19 2 DATA Clock
IO26 4 /LATCH Data
IO18 6 CLK Clock
IO22 2 DATA Clock

JVS

ESP32 IO Name Use
IO25 SENSE JVS Sense
IO22 TX UART TX
IO21 RX UART RX
IO19 RTS RS-485 direction control

Virtual Boy

ESP32 IO System Pin Name Use
IO5 4 CLK Clock
IO32 3 LATCH Latch
IO19 1 DATA Data

Nintendo 64

ESP32 IO System Pin Name Use
IO19 2 P1_D Player 1 DATA
IO5 2 P2_D Player 2 DATA
IO26 2 P3_D Player 3 DATA
IO27 2 P4_D Player 4 DATA

Dreamcast

ESP32 IO System Pin Name Use
IO21 1 P1_D0 Player 1 DATA0
IO22 5 P1_D1 Player 1 DATA1
IO3 1 P2_D0 Player 2 DATA0
IO5 5 P2_D1 Player 2 DATA1
IO18 1 P3_D0 Player 3 DATA0
IO23 5 P3_D1 Player 3 DATA1
IO26 1 P4_D0 Player 4 DATA0
IO27 5 P4_D1 Player 4 DATA1

GameCube

ESP32 IO System Pin Name Use
IO19 2 P1_D Player 1 DATA
IO5 2 P2_D Player 2 DATA
IO26 2 P3_D Player 3 DATA
IO27 2 P4_D Player 4 DATA

Wii-Ext

ESP32 IO System Pin Name Use
IO25 2 P1_SCL Player 1 CLK
IO26 5 P1_SDA Player 1 DATA
IO5 2 P2_SCL Player 2 CLK
IO27 5 P2_SDA Player 2 DATA
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