Renesas RL78/G1H - Page 340

RL78/G1H CHAPTER 13 A/D CONVERTER
R01UH0575EJ0120 Rev. 1.20 Page 322 of 920
Dec 22, 2016
(10) Internal equivalent circuit
The equivalent circuit of the analog input block is shown below.
Figure 13 - 32 Internal Equivalent Circuit of ANIn Pin
Remark The resistance and capacitance values shown in Table 13 - 7 are not guaranteed values.
(11) Starting the A/D converter
Start the A/D converter after the AVREFP and VDD voltages stabilize.
Table 13 - 7 Resistance and Capacitance Values of Equivalent Circuit (Reference Values)
AVREFP, VDD ANIn Pins R1 [kΩ] C1 [pF] C2 [pF]
2.7 V
≤ VDD < 3.6 V ANI0 to ANI2, ANI13,
ANI14
39 8 2.5
ANI19 53 8 7.0
1.8 V
≤ VDD < 2.7 V ANI0 to ANI2, ANI13,
ANI14
231 8 2.5
ANI19 321 8 7.0
ANIn
C1 C2
R1