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7477 Datasheet(PDF) 213 Page - Renesas Technology Corp

Part # 7477
Description  8-BIT SINGLE-CHIP MICROCOMPUTER 740 FAMILY / 7470 SERIES
PDF  354 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

7477 Datasheet(HTML) 213 Page - Renesas Technology Corp

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1-196
HARDWARE
1.20 Electrical characteristics
7470/7471/7477/7478 GROUP USER’S MANUAL
Table 1.20.12 A-D converter characteristics (7477 group)
(VCC = 2.7 V to 5.5 V, VSS = 0 V, Ta = –20 °C to +85 °C, unless otherwise noted)
Symbol
Parameter
Unit
Limits
Max.
Typ.
Min.
bits
LSB
µs
µs
V
k
Ω
V
8
±3
12.5
25
VCC
10
VREF
Test conditions
Resolution
Absolute accuracy
Conversion time
Reference input voltage
Ladder resistance value
Analog input voltage
VCC = 4.5 V to 5.5 V, f(XIN) = 8 MHz
VCC = 2.7 V to 5.5 V, f(XIN) = 4 MHz
0.5VCC
(Note)
2
0
—
—
TCONV
VREF
RLADDER
VIA
5
Note : Set the VREF voltage to 0.5 VCC or more and 2 V or more. When using no A-D converter, connect
it to VCC.



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