2 2 1 1 b b a a KIT1 demo kit001 pcb KIT1 wenshing electro a 1 1 tuesday, april 23, 2002 title size document number rev date: sheet of vdd 4.5v vdd vdd u1 tws-as( ~3? ) 1 2 3 4 ant vcc data gnd jp1 ? pin4 1 2 3 4 u3 elm9845(sot23) 1 2 3 gnd out in + c4 47uf + c3 47uf j1 bna 1 2 r1 100r c2 104p c1 104p s1 sw dip-8 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 s3 sw dip-4 1 2 3 4 8 7 6 5 r2 1mr s2 key u2 tt8494 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 a0 a1 a2 a3 a4 a5 a6 a7 vss d8 d9 d10 d11 te osc2 osc1 dout vdd gnd power 5v 1a wenshing confidential do not distribution
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