55
HCD-EC55/EC77/GX99
Pin No. Pin Name I/O Description
49 O-CD-ON I CD power control signal input terminal
50 NC O No used (Open)
51 MD2 — Use write (Not used (Fixed to “L”))
52 MD1 — Use write (Not used (Fixed to “H”))
53 MD0 — Use write (Not used (Fixed to “H”))
54 RESET I IC301 reset mode control input terminal
55 O-TU-CE O TU-CE signal output terminal
56 O-TU-CLK O TU-CLOCK signal output terminal
57 O-TU-DI O TU-DATA signal output terminal
58 VLCD O LCD voltage set output terminal
59 COM0 O Common signal output to the LCD
60 COM1 O Common signal output to the LCD
61 COM2 O Common signal output to the LCD
62 CMO3 O Common signal output to the LCD
63 SEG0 O Segment signal output to the LCD
64 SEG1 O Segment signal output to the LCD
65 VCC — Power supply terminal (+3.3V)
66 VSS — Ground terminal
67 SEG2 O Segment signal output to the LCD
68 SEG3 O Segment signal output to the LCD
69 SEG4 O Segment signal output to the LCD
70 SEG5 O Segment signal output to the LCD
71 SEG6 O Segment signal output to the LCD
72 SEG7 O Segment signal output to the LCD
73 SEG8 O Segment signal output to the LCD
74 SEG9 O Segment signal output to the LCD
75 SEG10 O Segment signal output to the LCD
76 SEG11 O Segment signal output to the LCD
77 SEG12 O Segment signal output to the LCD
78 SEG13 O Segment signal output to the LCD
79 SEG14 O Segment signal output to the LCD
80 SEG15 O Segment signal output to the LCD
81 SEG16 O Segment signal output to the LCD
82 SEG17 O Segment signal output to the LCD
83 SEG18 O Segment signal output to the LCD
84 SEG19 O Segment signal output to the LCD
85 SEG20 O Segment signal output to the LCD
86 SEG21 O Segment signal output to the LCD
87 SEG22 O Segment signal output to the LCD
88 SEG23 O Segment signal output to the LCD
89 SEG24 O Segment signal output to the LCD
90 VCC — Power supply terminal (+3.3V)
91 VSS — Ground terminal
92 X1 I Resonator input terminal (5MHz)
93 X0 O Resonator output terminal (5MHz)
94 SEG25 O Segment signal output to the LCD
95 SEG26 O Segment signal output to the LCD
96 SEG27 O Segment signal output to the LCD
97 SEG28 O Segment signal output to the LCD
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