TC826 Просмотр технического описания (PDF) - TelCom Semiconductor Inc => Microchip
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TC826 Datasheet PDF : 12 Pages
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A/D CONVERTER WITH
BAR GRAPH DISPLAY OUTPUT
TC826
PIN DESCRIPTION (Cont.)
Pin No.
(64-Plastic
Quad Flat
Package) Symbol
41
BAR 24
42
BAR 25
43
BAR 26
44
BAR 27
45
BAR 28
46
BAR 29
47
BAR 30
48
NC
49
BAR 31
50
BAR 32
51
BAR 33
52
BAR 34
53
BAR 35
54
BAR 36
55
BAR 37
56
BAR 38
57
BAR 39
58
BAR 40
59
OR
60
POL–
61
62
63
64
NC
Description
LCD Segment driver:
LCD Segment driver:
LCD Segment driver:
LCD Segment driver:
LCD Segment driver:
LCD Segment driver:
LCD Segment driver:
Bar 24
Bar 25
Bar 26
Bar 27
Bar 28
Bar 29
Bar 30
LCD Segment driver: Bar 31
LCD Segment driver: Bar 32
LCD Segment driver:
LCD Segment driver:
LCD Segment driver:
LCD Segment driver:
LCD Segment driver:
Bar 33
Bar 34
Bar 35
Bar 36
Bar 37
LCD Segment driver: Bar 38
LCD Segment driver: Bar 39
LCD Segment driver: Bar 40
LCD segment driver that indicated input out–of–range condition.
LCD segment driver that indicates input signal is negative.
Input logic signal that selects bar or dot display format. Normally in bar mode. Connect to VSS through
1MΩ resistor for Dot format.
Input logic signal that prevents display from changing. Pulled high internally to inactive state.
Connect to VSS through 1MΩ series resistor for HOLD mode operation.
Input logic signal. Sets TC826 to BAR display mode. BAR 0 to 40, plus OR flash on and off. The POL–
LCD driver is on. Pulled high internally to inactive state. Connect to VSS with 1 MΩ series resistor to
activate.
3-174
TELCOM SEMICONDUCTOR, INC.
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