STA8090GA datasheet(9/32 Pages) STMICROELECTRONICS

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DS10820 Rev 5

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STA8090GA

Pin description

2.4

Main function pins

VDDIO_R1

1.8 V or 3.3 V PWR Digital supply voltage for I/O ring 1 (1.8 V or 3.3V)

VDDIO_R2

3.3 V

PWR Digital supply voltage for I/O ring 2 (3.3 V)

VINB

1.6 V - 4.3 V

PWR Backup LDO input supply voltage (1.6 V to 4.3 V)

VINL1

1.6 V - 4.3 V

PWR LDO1 input supply voltage (1.6 V to 4.3 V)

VINL2

1.6 V - 4.3 V

PWR LDO2 input supply voltage (1.6 V to 4.3 V)

VINM

1.6 V - 4.3 V

PWR SMPS coil input supply (1.6 V to 4.3 V)

VDD_ANA

1.6 V - 4.3 V

PWR SMPS input supply (1.6 V to 4.3 V)

VLX

0 V - 4.3 V

PWR SMPS coil output

VOB

1.0 V

PWR LDO backup output voltage (1.0 V)

VOL1

1.2 or 1.8 V

PWR

LDO1 output voltage:

PMU_CFG = high -> 1.2 V

PMU_CFG = low -> 1.8 V

VOL2

1.2 V

PWR LDO2 output voltage (1.2 V)

VOM

1.2 or 1.8 V

PWR

SMPS output voltage

PMU_CFG = high -> 1.8 V

PMU_CFG = low -> 1.2 V

GND_POWER

GND

GND Ground

GND_ANA

GND

GND Ground

GND_LNA

GND

GND Ground

Table 1. Power supply pins (continued)

Symbol

I/O

voltage

I/O

Description

STA8090GA

Table 2. Main function pins

Symbol

I/O

voltage

I/O

Description

STA8090GA

ADC_IN1

1.4 V – 0 V typ

range

ADC Analog input [1]

ADC_IN2

1.4 V – 0 V typ

range

ADC Analog input [2]

RSTn

1.0 V

Reset Input with Schmitt-Trigger characteristics and noise

filter.

RTC_XTI

1.0 V (max)

Input of the 32 KHz oscillator amplifier circuit and input of the

internal real time clock circuit.

RTC_XTO

1.0 V (max)

Output of the oscillator amplifier circuit.

STDBY_OUT

1.0 V

When low, indicates the chip is in Standby mode

STDBYn

1.0 V

When low, the chip is forced in Standby Mode - All pins in

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