HD64F2145 Datasheet, PDF (614/829 Pages) Renesas Technology Corp – Hitachi 16-Bit Single-Chip Microcomputer

*1
*1
R_in ^*2
100
0.1 µF
AVCC
AVref
AN0 to AN7
AVSS
Notes: Values are reference values.
*1
10 µF
0.01 µF
*2 R_in: Input impedance
Figure 21.8 Example of Analog Input Protection Circuit
AN0 to AN7
10 k
To A/D converter
20 pF
Note:* Values are reference values.
Figure 21.9 Equivalent Circuit of Analog Input Pin
21.7.6 Module Stop Mode Setting
A/D converter operation can be enabled or disabled using the module stop control register. The
initial setting is for A/D converter operation to be halted. Register access is enabled by canceling
module stop mode. For details, refer to section 26, Power-Down Modes.
Rev. 2.0, 08/02, page 574 of 788