AN2476 datasheet(35/49 Pages) STMICROELECTRONICS

35 / 49 page

AN2476

Operating measurements

35/49

This table describes how the STR750 chip can be powered:

Table 7.

Power supply

This table describes how the STR750 chip can be decoupled

Table 8.

Decoupling capacitor

This table describes how to connect the Pull-up and Pull-down resistors:

Table 9.

Pull-up and pull-down resistor

Quartz

32 KHz

Connector

HE-20

Signal Name

pin n° to VDD1

pin n° to GND

TEST

VSS_IO

VDD_IO

VDDA_PLL

VSS_IO

VSSA_PLL

VSS18

VSSBKP

VDD_IO

VDDA_ADC

VSSA_ADC

VSS_IO

VREG_DIS

VSS18

VSS_IO

VDD_IO

SIgnal Name

Connection

V18REG

Decoupling with 10µF capacitor and VSS18 pin 53.

V18_BKP

Decoupling with 1µF capacitor and VSSBKP pin 54.

V18

Decoupling with 33nF capacitor and VSS18 pin 97.

VDD_IO

Decoupling with 1µF capacitor and VSS_IO pin 98.

Signal Name

Connection

Boot 0

Pull-down to GND via 10K resistor

Boot 1

Pull-down to GND via 10K resistor

Components

Value/Reference

Quantity

AN2476 데이터시트(PDF) 35 Page - STMicroelectronics

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