查到了VRC7的引脚定义
7 ?3 @* S) |+ Z9 d, y$ B6 @6 @
5 i4 [3 b! L( P9 O; t. I; ]3 ]* U .---\/---.: O2 n' E9 j$ X2 K
PPU /RD -> | 01 48 | -> NC
: c% ~" e) A# q7 ~* C2 R% ` PPU A13 -> | 02 47 | <- M2/ q! y0 O' b- W) o
GND -- | 03 46 | -> WRAM /CS: j% X" I5 n0 C+ ~& y
R/W -> | 04 45 | <- /ROMSEL& J0 e3 d* e, ^6 y! y- n
/IRQ <- | 05 44 | -> PRG /CS
4 b0 f* u1 C2 Z3 ] K# P/ F% e# a. x CIRAM A10 <- | 06 43 | -> Audio Out
8 }; p3 q9 r: ?- e( M1 d3 r CPU D0 -> | 07 42 | -- +5V
/ x5 z+ u) R' T: m# x CPU D1 -> | 08 41 | -> CHR A17
! O5 _* t7 l& p CPU D2 -> | 09 40 | -> CHR A163 o% A; Y9 `! a3 J$ V
CPU D3 -> | 10 39 | -> CHR A158 o. i5 O" i" |
CPU D4 -> | 11 38 | -> CHR A14+ ]0 q% U! E) R) E- ^# q B
CPU D5 -> | 12 37 | -> CHR A13, |- m/ r5 I" N6 u; R0 |
CPU D6 -> | 13 36 | -> CHR A12
' ?9 g8 O# j# }! | CPU D7 -> | 14 35 | -> CHR A11
7 Z) M' R" \! d0 Q$ ` T- H /DEBUG -> | 15 34 | -> CHR A10( z. r: n+ ~; d+ Z
CPU A5 -> | 16 33 | <- PPU A12& \* @$ s+ z% T
Crystal X2 -> | 17 32 | <- PPU A115 U! e. L, \6 }6 Q
Crystal X1 <- | 18 31 | <- PPU A10
- U7 B9 c* h; V- ?5 s, e2 J CPU An -> | 19 30 | -- +5V
% N6 v* t" t @/ y+ O PRG A13 <- | 20 29 | <- CPU A14
0 q/ Z+ O1 f+ Z7 { PRG A14 <- | 21 28 | <- CPU A13. y- D" l3 T" H9 ]
PRG A15 <- | 22 27 | <- CPU A125 a" @& D2 |7 I- U* o
PRG A16 <- | 23 26 | -> PRG A18
/ g P6 n; Q: a" u H9 `: _ GND -- | 24 25 | -> PRG A17
# {& P. c5 y3 { i! ^ `--------'0 E! Y; v4 X( [7 Y5 F; V8 X. W
需要监测的感觉应该就连着CPU的这几条线吧? |