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King Billion Electronics Co., Ltd
駿
億
電
子
股
份
有
限
公
司
HE847701
HE80000 SERIES
March 26, 2004
This specification is subject to change without notice. Please contact sales person for the latest version before use.
Page 11 of 29
V1.03
Page 6, 5
COM0
COM1
:
COM15
COM16
:
COM31
COM32
:
COM47
COM48
:
COM62
COM63
SEG[55:48]
640H
641H
:
64FH
650H
:
65FH
660H
:
66FH
670H
:
67EH
67FH
SEG[63:56]
600H
601H
:
60FH
610H
:
61FH
620H
:
62FH
630H
:
63EH
63FH
SEG[71:64]
5C0H
5C1H
:
5CFH
5D0H
:
5DFH
5E0H
:
5EFH
5F0H
:
5FEH
5FFH
SEG[79:72]
580H
581H
:
58FH
590H
:
59FH
5A0H
:
5AFH
5B0H
:
5BEH
5BFH
SEG[87:80]
540H
541H
:
54FH
550H
:
55FH
560H
:
56FH
570H
:
57EH
57FH
SEG[95:88]
500H
501H
:
50FH
510H
:
51FH
520H
:
52FH
530H
:
53EH
53FH
80 COM:
Page
7:3
COM0
COM1
:
COM15 78FH
COM16 790H
:
COM31 79FH
COM32 7A0H
:
COM47 7AFH
COM48 7B0H
:
COM62 7BFH
COM63 7C0H
:
COM78 7CEH
COM79 7CFH
7.
LCD Power Supply
SEG
[7:0]
780H
781H
:
SEG
[15:8]
700H
701H
:
70FH
710H
:
71FH
720H
:
72FH
730H
:
73FH
740H
:
74EH
74FH
SEG
[23:16]
680H
681H
:
68FH
690H
:
69FH
6A0H
:
6AFH
6B0H
:
6BFH
6C0H
:
6CEH
6CFH
SEG
[31:24]
600H
601H
:
60FH
610H
:
61FH
620H
:
62FH
630H
:
63FH
640H
:
64EH
64FH
SEG
[39:32]
580H
581H
:
58FH
590H
:
59FH
5A0H
:
5AFH
5B0H
:
5BFH
5C0H
:
5CEH
5CFH
SEG
[47:40]
500H
501H
:
50FH
510H
:
51FH
520H
:
52FH
530H
:
53FH
540H
:
54EH
54FH
SEG
[55:48]
480H
481H
:
48FH
490H
:
49FH
4A0H
:
4AFH
4B0H
:
4BFH
4C0H
:
4CEH
4CFH
SEG
[63:56]
400H
401H
:
40FH
410H
:
41FH
420H
:
42FH
430H
:
43FH
440H
:
44EH
44FH
SEG
[71:64]
380H
381H
:
38FH
390H
:
39FH
3A0H
:
3AFH
3B0H
:
3BFH
3C0H
:
3CEH
3CFH
SEG
[79:72]
300H
301H
:
30FH
310H
:
31FH
320H
:
32FH
330H
:
33FH
340H
:
34EH
34FH
:
:
:
:
The built-in LCD power supply is equipped with input voltage regulator, voltage charge pump and bias
voltage generating circuit with active buffer instead of passive resistor voltage dividing network. The
input voltage is regulated to LVL2 using the internally generated reference voltage. LVL2 can be adjusted
by resistor between LCDGS and LVL2.
LVL2 adjustment guideline
: First, the level of VDD must be 0.3 volt higher than LVL2 even at the end of
battery life for the regulator to function properly. For example, if the VDD is expected to drop to 2.2 volts
when battery is low, then the level of LVL2 can only be set at 1.9 volts max.