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两种方式:- \+ b# j& I! `' b7 w
1>
, S0 R2 R; m; @. B) Y2 |$ m! z" @! n
signal 4 g. y/ I, N9 x; r/ q
ground
/ {9 o7 L4 f9 }: @0 L7 }0 O$ f3 isignal
2 r3 ~) w& P8 u( Y8 F xsignal
* s4 k& }$ Y& P( esignal
. M9 R) Y8 M. ]3 h: Y; ? zpower- m3 {' C+ q0 n
singal
* D! ~5 i% w+ B6 D) t! A3 @2>( D# l8 b, X7 Z
signal # Z ^6 w& W. y# b
power
( x' s6 h# h& Z f Q L/ t! W! D) \signal# J! g2 `$ N0 Z1 i0 a
signal. Z5 ~9 w; }" h+ u/ n, I
signal
* L7 {: v: l' p `# Sground0 ]8 o! k0 h3 K
singal |
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