CPU pinout: Difference between revisions
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(Adds the CPU pinout.) |
(Changes /PAWR and /PARD to /PWR and /PRD.) |
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| Line 37: | Line 37: | ||
\ 71 / -> | \ 71 / -> | ||
joypad 2 D4 -> \ 31 70 / -> /DMA | joypad 2 D4 -> \ 31 70 / -> /DMA | ||
joypad 1 D0 -> \ 32 69 / -> / | joypad 1 D0 -> \ 32 69 / -> /PWR | ||
joypad 1 D1 -> \ 33 68 / -> / | joypad 1 D1 -> \ 33 68 / -> /PRD | ||
+5V -- \ 34 67 / <> D7 | +5V -- \ 34 67 / <> D7 | ||
joypad 1 /OE <- \ 35 66 / <> D6 | joypad 1 /OE <- \ 35 66 / <> D6 | ||
Revision as of 07:30, 23 April 2022
^
/ \
/ \
/ \
+5V -- / 1 100 \ -> A7
A8 <- / 2 99 \ -> A6
A9 <- / 3 . 98 \ -> A5
A10 <- / 4 97 \ -> A4
A11 <- / 5 96 \ -> A3
A12 <- / 6 95 \ -> A2
A13 <- / 7 94 \ -> A1
A14 <- / 8 93 \ -> A0
A15 <- / 9 92 \ -> /RD
A16 <- / 10 91 \ -> /WR
A17 <- / 11 90 \ -- GND
A18 <- / 12 89 \ -> /VECTORPULL
A19 <- / 13 88 \ ->
A20 <- / 14 87 \ ->
A21 <- / 15 86 \ ->
A22 <- / 16 85 \ -- +5V
A23 <- / 17 84 \ -> XFLAG
GND -- / 18 83 \ -> MFLAG
joypad IO D0 <> / 19 82 \ -> /MEMLOCK
joypad IO D1 <> / 20 81 \ <- RDY
joypad IO D2 <> / 21 \
joypad IO D3 <> / 22 O /
joypad IO D4 <> / 23 80 / -> R/W
joypad IO D5 <> / 24 79 / -- GND
joypad IO D6 <> / 25 78 / -> /WRAMSEL
joypad IO D7 <> / 26 Nintendo 5A22 77 / -> /ROMSEL
joypad 2 D0 -> / 27 Package QFP-100, 0.65mm pitch 76 / <- /ABORT
joypad 2 D1 -> / 28 75 / <- HALT
joypad 2 D2 -> / 29 S-CPU 74 / <- HVCMODE
joypad 2 D3 -> / 30 73 / <- TM
/ O 72 / -> PHI2
\ 71 / ->
joypad 2 D4 -> \ 31 70 / -> /DMA
joypad 1 D0 -> \ 32 69 / -> /PWR
joypad 1 D1 -> \ 33 68 / -> /PRD
+5V -- \ 34 67 / <> D7
joypad 1 /OE <- \ 35 66 / <> D6
joypad 2 /OE <- \ 36 65 / <> D5
OUT0 <- \ 37 64 / <> D4 Orientation:
OUT1 <- \ 38 63 / <> D3 --------------------
OUT2 <- \ 39 62 / <> D2 80 51
REFRESH <- \ 40 61 / <> D1 | |
TCKSEL0 -> \ 41 60 / <> D0 .-----------.
TCKSEL1 -> \ 42 59 / -- +5V 81-|O Nintendo |-50
HBLANK -> \ 43 58 / -> PA7 | S-CPU |
VBLANK -> \ 44 57 / -> PA6 100-|. 5A22 O|-31
/NMI -> \ 45 56 / -> PA5 .-----------'
/IRQ -> \ 46 55 / -> PA4 | |
GND -- \ 47 54 / -> PA3 01 30
SYSTEM CLK -> \ 48 53 / -> PA2
REFRESH /ENABLE -> \ 49 52 / -> PA1 Legend:
/RESET -> \ 50 51 / -> PA0 ----------------------------
\ / --[5A22]-- Power, n/a
\ / ->[5A22]<- 5A22 input
\ / <-[5A22]-> 5A22 output
V <>[5A22]<> Bidirectional
