查到了VRC7的引脚定义
% _& o3 Q- _5 K* x! y6 U4 b) [8 ?% i9 i
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# R+ k% T* I% E5 P) z PPU /RD -> | 01 48 | -> NC
7 m/ ~2 y* R1 C) x; L: ]# O% D PPU A13 -> | 02 47 | <- M2% l. H1 J# |6 Z4 v- Z: p+ b
GND -- | 03 46 | -> WRAM /CS
w, x7 V. g2 ?- E1 ~, Y6 p* J R/W -> | 04 45 | <- /ROMSEL) ^. z0 z! I: B. t$ k
/IRQ <- | 05 44 | -> PRG /CS5 L$ j+ n+ d2 u# x9 z, T. K/ O8 u
CIRAM A10 <- | 06 43 | -> Audio Out X9 R0 G( _6 R2 Q- a" e
CPU D0 -> | 07 42 | -- +5V* X! M" S* e. B
CPU D1 -> | 08 41 | -> CHR A17
: }# Q) r9 M. q* U' E CPU D2 -> | 09 40 | -> CHR A16
" `7 J1 A, r) [3 B- e4 e9 v- J, g CPU D3 -> | 10 39 | -> CHR A15
8 C0 c L, F$ v" L CPU D4 -> | 11 38 | -> CHR A144 C" O+ I5 X8 d/ Y
CPU D5 -> | 12 37 | -> CHR A13
9 U/ c- i0 k5 O' R$ o! D CPU D6 -> | 13 36 | -> CHR A128 Y6 K+ _$ @4 T+ e/ V6 v
CPU D7 -> | 14 35 | -> CHR A11
3 O6 h$ T* {2 f0 Y( [% `1 i2 e /DEBUG -> | 15 34 | -> CHR A10
0 \0 m% x m' [" ?/ n4 C0 g CPU A5 -> | 16 33 | <- PPU A12
: n- j7 _& p& i8 w8 U3 n Crystal X2 -> | 17 32 | <- PPU A11
0 O- ]5 U2 ~) ~2 H" b: q6 j Crystal X1 <- | 18 31 | <- PPU A10+ K) o# M$ D' I: f
CPU An -> | 19 30 | -- +5V1 j4 d+ Y _. n# P4 x1 |5 e
PRG A13 <- | 20 29 | <- CPU A141 [, \; d h- s+ H$ o
PRG A14 <- | 21 28 | <- CPU A13- F q8 c( v0 J6 e4 G
PRG A15 <- | 22 27 | <- CPU A12
) \7 A F9 W9 @& g' e3 d PRG A16 <- | 23 26 | -> PRG A185 U0 d5 f& H3 x) D# V
GND -- | 24 25 | -> PRG A17' ]0 l8 {4 L& l
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3 y* I5 G E6 g' ~$ Y4 o9 j需要监测的感觉应该就连着CPU的这几条线吧? |