Casio SF-A10 Manual de usuario descargar pdf (Pagina 6)

Pin No. Signal In/Out Function

75 ~ 77 PORT4~6 I/O For data communication

78 ~ 82 – Not used

83, 84 PI, PO In/Out Main clock terminal

85 DUMMY – Not used

86, 87 XI, XO In/Out Clock terminal

88 DUMMY – Not used

89 ~ 184 S1 ~ S96 Out Segment signal for display

185 ~ 216 C1 ~ C32 Out Common signal for display

217 VSSR In GND / 0[V]

218 ~ 222 V0 ~ V4 Out The voltage for LCD drive

OFF : 0[V]

ON; V0 : 3.6 (Min) ~ 5.8 (Max) [V]

V1 : 2.9 (Min) ~ 4.6 (Max) [V]

V2 : 2.1 (Min) ~ 3.5 (Max) [V]

V3 : 1.4 (Min) ~ 2.5 (Max) [V]

V4 : 0.7 (Min) ~ 1.3 (Max) [V]

223, 224 VSS In GND / 0[V]

225 DUMMY – Not used

226 VCC In Power supply / 3[V]

227 VREG2 Out 2 [V]

228, 229 TS1, 2 – Test for manufacture

230, 231 BZ1, 2 Out Buzzer terminal

232 SW1 In 2.6[V]

While pushing the reset button: 0[V]

233, 234 VD1, 2 – VD1: 4.7[V] VD2: 1.5[V]

235, 236 VD3, 4 – VD3: 4.7[V] VD4: 1.5[V]

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