SH7730 Datasheet, PDF (925/1188 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7780 Series

Section 26 A/D Converter
R_in*²
100 Ω
*¹
0.1 µF
Notes: *1 Values are for reference.
10 µF
0.01 µF
AVCC (A/D)
AN0 to AN3
This LSI
AVSS (A/D)
*2 R_in is input impedance.
Figure 26.9 Example of Analog Input Protection Circuit
Table 26.6 Analog Input Pin Ratings
Item
Min
Max
Unit
Analog input capacitance

20
pF
Allowable signal-source impedance

5
kΩ
AN0 to AN3
3 kΩ
To A/D converter
20 pF
Note: Values are for reference.
Figure 26.10 Analog Input Pin Equivalent Circuit
26.7.6 Notes on A/D Conversion
Every time A/D conversion is completed, enter the ADC module to the standby state.
When executing A/D conversion again, exit the module standby state and activate the ADC
module.
Rev. 1.00 Sep. 19, 2007 Page 877 of 1136
REJ09B0359-0100