Renesas RL78 Series User Manual page 387

RL78/G1D
(10) Internal equivalent circuit
The equivalent circuit of the analog input block is shown below.
Table 12-4. Resistance and Capacitance Values of Equivalent Circuit (Reference Values)
2.7 V ≤ V
1.8 V ≤ V
1.6 V ≤ V
Remark The resistance and capacitance values shown in Table 12-4 are not guaranteed values.
(11) Starting the A/D converter
Start the A/D converter after the AV
R01UH0515EJ0120 Rev.1.20
Dec 16, 2016
Figure 12-46. Internal Equivalent Circuit of ANIn Pin
ANIn
AV , V ANIn Pin
REFP DD
≤ 3.6 V ANI0 to ANI3
DD
ANI16 to ANI19
≤ 2.7 V ANI0 to ANI3
DD
ANI16 to ANI19
≤ 2.7 V ANI0 to ANI3
DD
ANI16 to ANI19
and V
REFP DD
R1
C1 C2
R1 [kΩ]
39
53
231
321
632
902
voltages stabilize.
CHAPTER 12 A/D CONVERTER
C1 [pF] C2 [pF]
8 2.5
8 7.0
8 2.5
8 7.0
8 2.5
8 7.0
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