RL78/G1P
CHAPTER 9 A/D CONVERTER
R01UH0895EJ0100 Rev.1.00
298
Nov 29, 2019
(10) Internal equivalent circuit
The equivalent circuit of the analog input block is shown below.
Figure 9-46. Internal Equivalent Circuit of ANIn Pin
ANIn
C1
C2
R1
Table 9-4. Resistance and Capacitance Values of Equivalent Circuit (Reference Values)
V
DD
ANIn
Pin
R1[k
] C1[pF] C2[pF]
2.7 V
V
DD
3.6 V
ANI0 to ANI7
7.4
8
6.3
ANI16 12.3
8
7.4
Remark
The resistance and capacitance values shown in Table 9-4 are not guaranteed values.
(11) Starting the A/D converter
Start the A/D converter after the AV
REFP
and V
DD
voltages stabilize.