— 13 —
Pin No. Signal I/O Function
64,65 OSC I/O I/O Clock terminal (DT-26S)
67,69~71 V1 ~ 4 Voltage for LCD driver
OFF: 0[V] ON: V1: 0.64(Light) ~ 1.29(Dark)[V]
V2: 1.29 ~ 2.56 [V]
V3: 3.99 ~ 2.71 [V]
V4: 4.64 ~ 3.99 [V]
68 NC - Not used
72 INTO In Low battery detection INTO<5.2[V]=> No power on
73 STNT - GND/0[V]
74 VLCD In Power supply/5.3[V]
75 ~ 171 S0 ~ 95 Out Segment signal for display
172 ~ 199 C5 ~ 32 Out Common signal for display
168,200 NC - Not used
6-2. RAM: µPD43256G-101215LL (LSI 3)
A0 ~ A14 : Address input signal
IO0 ~ IO7: Data signal (Input/Output)
WE : Write enable signal
CS : Chip select signal
OE : Output enable signal
CPU (WEB)
CPU (CSRA2)
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