Figure 14.7 Example Of Analog Input Protection Circuit; Figure 14.8 Analog Input Pin Equivalent Circuit; Table 14.5 Analog Input Pin Ratings - Hitachi H8/3062 Hardware Manual

*1 *1
Notes: *1
10 µF
*2 Rin: input impedance

Figure 14.7 Example of Analog Input Protection Circuit

Table 14.5 Analog Input Pin Ratings

Item
Analog input capacitance
Allowable signal-source impedance
Note: * When conversion time = 134 states, V
section 22. Electrical Characteristics.
Note: Numeric values are approximate, except in table 14.5.
100 Ω
*2
Rin
0.1 µF
0.01 µF
10 kΩ
AN to AN
0 7

Figure 14.8 Analog Input Pin Equivalent Circuit

AV
CC
V
REF
AN to AN
0 7
AV
SS
Min Max
— 20
10 *
—
= 4.0 V to 5.5 V, and φ ≤ 13 MHz. For details, see
CC
To A/D converter
20 pF
Unit
pF
kΩ
463