查到了VRC7的引脚定义
1 S' |, j3 H, u0 G0 W& G' e% U5 R; t( W4 G( E
.---\/---.% @/ K/ m, t1 g& P5 r* Z( f
PPU /RD -> | 01 48 | -> NC9 i# m" D" e3 d% u
PPU A13 -> | 02 47 | <- M2
6 l, X4 U) G" p- l# R z2 j GND -- | 03 46 | -> WRAM /CS
4 q: s. Y' r9 ~# V/ ] R/W -> | 04 45 | <- /ROMSEL
' X, F s7 H8 R& s9 o7 E /IRQ <- | 05 44 | -> PRG /CS
3 J7 A4 E+ E3 t CIRAM A10 <- | 06 43 | -> Audio Out) @7 ^7 W Z# O! ^( Y
CPU D0 -> | 07 42 | -- +5V$ Z% v- m& i. D2 l1 M. J$ T5 U
CPU D1 -> | 08 41 | -> CHR A17
- t( G0 d% H( g0 t$ u6 C' x CPU D2 -> | 09 40 | -> CHR A16% D' g$ n6 k# L* e: }( a
CPU D3 -> | 10 39 | -> CHR A15
4 P3 l, x1 \$ _ q CPU D4 -> | 11 38 | -> CHR A146 [! `) e. Q7 Y" _' [0 d
CPU D5 -> | 12 37 | -> CHR A137 O# O; {- B0 o* v4 T
CPU D6 -> | 13 36 | -> CHR A12; E* D* u8 C8 k
CPU D7 -> | 14 35 | -> CHR A11
" [( A, z( h' q2 ]. d /DEBUG -> | 15 34 | -> CHR A104 I: G5 R; v# z
CPU A5 -> | 16 33 | <- PPU A120 P- f/ i' L5 x: w c* `
Crystal X2 -> | 17 32 | <- PPU A11
0 ]+ c& C: o" X4 H; h* T) C Crystal X1 <- | 18 31 | <- PPU A10) }) t8 s. J, D# f
CPU An -> | 19 30 | -- +5V9 s. y$ c! q7 p6 W
PRG A13 <- | 20 29 | <- CPU A14
4 M! F( F n/ D4 B/ p! } PRG A14 <- | 21 28 | <- CPU A13
7 ^1 a3 C* Q8 [ PRG A15 <- | 22 27 | <- CPU A12
9 R4 K' a* K" ~+ j( O m PRG A16 <- | 23 26 | -> PRG A18
" y+ ?7 G0 O7 @6 k; e GND -- | 24 25 | -> PRG A17
6 z8 G% }9 l, B# A$ R M `--------'
: [/ d+ y& Z; S$ @! u/ g需要监测的感觉应该就连着CPU的这几条线吧? |