STA8089GA datasheet(10/32 Pages) STMICROELECTRONICS

10 / 32 page

Pin description

STA8089GA

10/32

DS10948 Rev 7

2.4

Main function pins

2.5

Test/emulated dedicated pins

VINB

1.6 V - 4.3 V

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

VINL1

1.8 V

PWR LDO1 and ADC input supply voltage

VINL2

1.6 V - 4.3 V

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

VOB

1.0 V

PWR LDO backup output voltage (1.0 V)

VOL1

1.2 V

PWR LDO1 output voltage (1.2 V)

VOL2

1.2 V

PWR LDO2 output voltage (1.2 V)

GND

GND Ground

GND_LNA

GND

GND Ground

Table 2. Power supply pins (continued)

Symbol

I/O

voltage

I/O

Description

STA8089GA

Table 3. Main function pins

Symbol

I/O

voltage

I/O

Description

STA8089GA

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

high impedance except the ones powered by Backup supply

WAKEUP

1.0 V

WAKEUP from STANDBY mode

Table 4. Test/emulated dedicated pins

Symbol

I/O

voltage

I/O

Description

STA8089GA

TCK

VDDIO_R2

JTAG Test Clock

TDI

VDDIO_R2

JTAG Test Data In

TDO

VDDIO_R2

JTAG Test Data Out

TMS

VDDIO_R2

JTAG Test Mode Select

TRSTn

VDDIO_R2

JTAG Test Circuit Reset

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