CHAPTER 13 A/D CONVERTER
Page 322 of 920
(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 AV
REFP
and V
DD
voltages stabilize.
Table 13 - 7 Resistance and Capacitance Values of Equivalent Circuit (Reference Values)
AV
REFP
, V
DD
ANIn Pins
R1 [k
Ω
]
C1 [pF]
C2 [pF]
2.7 V
≤
V
DD
<
3.6 V
ANI0 to ANI2, ANI13,
ANI14
39
8
2.5
ANI19
53
8
7.0
1.8 V
≤
V
DD
<
2.7 V
ANI0 to ANI2, ANI13,
ANI14
231
8
2.5
ANI19
321
8
7.0
ANIn
C1
C2
R1
Содержание RL78/G1H
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