STA8090EXGA datasheet(10/42 Pages) STMICROELECTRONICS

10 / 42 page

Pin description

STA8090EXGA

10/42

DS11733 Rev 3

2.3

Power supply pins

Table 3. Power supply pins

Symbol

I/O

voltage

I/O

Description

STA8090EXGA

VCC_CHAIN

1.2 V

PWR Analog supply voltage for RF chain (1.2 V)

L13

VCC_PLL

1.2 V

PWR Analog supply voltage for PLL RF (1.2 V)

J13

VCC_RF

1.2 V

PWR Analog supply voltage for RF (1.2 V)

VDD_ADC

1.8 V

PWR Digital supply voltage for ADC (1.8 V)

D10

VDD_SQI

1.8 V or 3.3 V PWR Digital supply voltage for SQI

G10

VDDD

1.2 V

PWR Digital supply voltage

F8, G8, H6, H7,

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

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)

A12

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)

N12

VINM

1.6 V - 4.3 V

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

A1, A2

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

B1, B2

VOB

1.0 V

PWR LDO backup output voltage (1.0 V)

A13

VOL1

1.2 V or 1.8 V PWR

LDO1 output voltage:

PMU_CFG = high -> 1.2 V

PMU_CFG = low -> 1.8 V

A10

VOL2

1.2 V

PWR LDO2 output voltage (1.2 V)

N11

VOM

1.2 V or 1.8 V PWR

SMPS output voltage

PMU_CFG = high -> 1.8 V

PMU_CFG = low -> 1.2 V

GND

GND Ground

A11, B13, C1, C2,

D5, D8, E2, F1,

F6, F7, F9, G5,

G6, G7, K10,

K11, L10, L11,

M12, N1, N13

GND_LNA

GND

GND Ground

M9, M10, M11

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