SH7108 Datasheet, PDF (383/560 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer

Section 11 A/D Converter
AVCC
R_in^∗2
100 Ω
∗¹
AN0 to AN19
0.1 mF
AVSS
Notes: Values are reference values.
1
10 μF
0.01 μF
2 R_in: Input impedance
Figure 11.8 Example of Analog Input Protection Circuit
Table 11.6 Analog Pin Specifications
Item
Analog input capacitance
Permissible signal source
impedance
Min.
—
—
—
Max.
20
3
1
Unit.
pF
kΩ
kΩ
Measurement Condition
≤ 20 MHz
20 to 25 MHz
AN0 to AN19
10 kΩ
To A/D converter
20 pF
Note: Values are reference values.
Figure 11.9 Analog Input Pin Equivalent Circuit
Rev.1.00 Sep. 18, 2008 Page 349 of 522
REJ09B0069-0100