S124 datasheet(82/107 Pages) RENESAS

82 / 107 page

R01DS0264EU0140 Rev.1.40

Page 82 of 107

Sep 3, 2024

S124 Datasheet

2. Electrical Characteristics

Figure 2.62

Equivalent circuit for analog input

Note 1. The internal reference voltage cannot be selected for input channels when AVCC0 < 2.0 V.

Note 2. The 14-bit A/D internal reference voltage indicates the voltage when the internal reference voltage is input to the

14-bit A/D converter.

Table 2.48

14-bit A/D converter channel classification

Classification

Channel

Conditions

Remarks

High-precision channel

AN000 to AN010

AVCC0 = 1.6 to 5.5 V

Pins AN000 to AN010 cannot be used

as general I/O, TS transmission,

when the A/D converter is in use.

Normal-precision channel

AN016 to AN022

Internal reference voltage

input channel

Internal reference voltage

AVCC0 = 2.0 to 5.5 V

Temperature sensor input

channel

Temperature sensor output

AVCC0 = 2.0 to 5.5 V

Table 2.49

A/D internal reference voltage characteristics

Conditions: VCC = AVCC0 = VREFH0 = 2.0 to 5.5 V*1

Parameter

Min

Typ

Max

Unit

Test conditions

Internal reference voltage input

channel*2

1.36

1.43

1.50

Frequency

MHz

Sampling time

5.0

μs-

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