SLG47502V datasheet(97/192 Pages) RENESAS

97 / 192 page

Datasheet

28-Feb-2023

CFR0011-120-00

Revision 2.3

97 of 194

SLG47512/13

Low Voltage GreenPAK Programmable

Mixed-Signal Matrix

Preliminary

Voltage Reference

12.1 VOLTAGE REFERENCE OVERVIEW

The SLG47512/13 has a Voltage Reference (Vref) macrocell to provide references to the two analog comparators. This macrocell

can supply a user selection of fixed voltage references, or temperature sensor output. The macrocell also has the option to output

reference voltages on GPIO. See Table 35 for the available selections for each analog comparator.

When changing power-down source settings or power-down register settings in a Voltage Reference block, similar changes of

these settings automatically occur in an Analog Temperature Sensor block.

Also see Figure 80, which shows the reference output structure.

12.2 VREF SELECTION TABLE

Table 35: Vref Selection Table

SEL[5:0]

Vref

SEL[5:0]

Vref

0.025

0.475

0.05

0.5

0.075

0.525

0.1

0.55

0.125

0.575

0.15

0.6

0.175

0.625

0.2

0.65

0.225

0.675

0.25

0.7

0.275

0.725

0.3

0.75

0.325

0.775

0.35

0.8

0.375

0.825

0.4

0.850

0.425

34 to 62

0.850

0.45

Ext. Vref

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