查到了VRC7的引脚定义 ; A3 |8 W9 H) A9 r6 G9 S2 f
; `( @" C7 n6 d2 q$ y# N
.---\/---.& k% a2 O* G; `0 o* Z( s7 a/ Q
PPU /RD -> | 01 48 | -> NC" h4 s' i/ s* r1 q
PPU A13 -> | 02 47 | <- M2
6 n- [) T; e* l GND -- | 03 46 | -> WRAM /CS
3 o0 a# ^4 \, U2 Y; P R/W -> | 04 45 | <- /ROMSEL2 {, f5 e4 p g' C
/IRQ <- | 05 44 | -> PRG /CS
& X0 s7 K, D7 l CIRAM A10 <- | 06 43 | -> Audio Out, s. W6 p0 \8 [& i: }
CPU D0 -> | 07 42 | -- +5V9 O$ f. z" e# w A6 T/ C
CPU D1 -> | 08 41 | -> CHR A17
& J# x; _, `1 ^ CPU D2 -> | 09 40 | -> CHR A16
0 f. w& Q* g, a CPU D3 -> | 10 39 | -> CHR A15
; j+ S8 Q; P; m `9 L CPU D4 -> | 11 38 | -> CHR A14
* @9 n" p: t4 h4 G CPU D5 -> | 12 37 | -> CHR A13
v7 |$ ~1 z" P2 R+ B CPU D6 -> | 13 36 | -> CHR A12$ A7 q$ W+ ]/ C, v7 s
CPU D7 -> | 14 35 | -> CHR A11
9 a8 ^! H: w. I, x /DEBUG -> | 15 34 | -> CHR A10, B7 h# n& `* }: N8 S4 G
CPU A5 -> | 16 33 | <- PPU A12
M0 N: V9 t6 R9 h Crystal X2 -> | 17 32 | <- PPU A11
) B% Z, l! g$ \6 M Crystal X1 <- | 18 31 | <- PPU A10. x0 W: ~; V- r9 r% c
CPU An -> | 19 30 | -- +5V- B+ H+ i' o/ n, ~2 F4 E
PRG A13 <- | 20 29 | <- CPU A14$ i9 P* N- E% f2 `- L( c9 \
PRG A14 <- | 21 28 | <- CPU A13: o" {$ X5 \% }) z4 W0 A+ Q
PRG A15 <- | 22 27 | <- CPU A12
7 m$ g" y: B" h PRG A16 <- | 23 26 | -> PRG A18
+ e# e/ a# q1 O) z1 ^; e( E Z# p GND -- | 24 25 | -> PRG A17' s6 A }/ T8 q2 A# |
`--------'0 ?) K) `, c) @3 h H, w* Q
需要监测的感觉应该就连着CPU的这几条线吧? |