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HD404849 Datasheet(PDF) 7 Page - Renesas Technology Corp

Part # HD404849
Description  4-Bit Single-Chip Microcomputer
PDF  127 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

HD404849 Datasheet(HTML) 7 Page - Renesas Technology Corp

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HD404849 Series
5
Pin Number
Item
Symbol
FP-80A, TFP-80C FP-80B
I/O
Function
LCD
V
1, V2, V3
70–72
72–74
Power pins for LCD driver. The LCD
power supply division resistors can be
connected and disconnected as
controlled by software.
Voltage conditions are:
V
CC ≥ V 1 ≥ V 2 ≥ V 3 ≥ GND
COM1–
COM4
66–69
68–71
O
Common signal pins for LCD
SEG13–
SEG44
34–65
36–67
O
Segment signal pins for LCD
A/D converter
AV
CC
74
76
Power pin for A/D converter: Connect
it to the same potential as V
CC, as
physically close to the V
CC pin as
possible
AV
SS
3
5
Ground for AV
CC:
Connect it to the
same potential as GND, as physically
close to the GND pin as possible
AN
0–AN 7
75–80, 1, 2
77–80, 1–4
I
Analog input pins for A/D converter



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