STW4810 datasheet(7/72 Pages) STMICROELECTRONICS

7 / 72 page

STw4810

3 Ball information

Rev3

7/72

Table 2.

STw4810 balls function

Ball

Ball name

Ball type

Description

General supplies

VBAT_DIG

VDDD-VBAT

Battery supply for digital/oscillator

VMINUS_DIG

VSSD

Ground for digital and oscillator

VBAT_ANA

VDDA-VBAT

Battery supply for analog

VMINUS_ANA

VSSA

Ground for analog

VBAT_USB

VDDA-VBAT

Battery supply for USB block

VMINUS_USB

VSSA

Ground for USB block

VREF_18

Int-Ref

Internal reference

Control balls

PON

DI(VBAT)

Pull Down 1.5M

Ω

Power-on and reset

SW_RESETn

DI(VIO_VMEM)

Pull Up 1.5M

Ω

Software reset, reset all applications when

SW_RESETn = 0

VDDOK

DO(VIO_VMEM)

Supply monitoring for multimedia

processors. Interruption for high

temperature warning

PORn

DO(VIO_VMEM)

Multimedia processor Resetn

PWREN

DI(VIO_VMEM)

Pull Up 1.5M

Ω

Sleep mode from multimedia processor

TCXO_EN

DI(VIO_VMEM)

Pull Down 1.5M

Ω

Request of master clock from modem part

REQUEST_MC

DO(VIO_VMEM)

Request to master clock oscillator

SCL

DI(VIO_VMEM)

Clock for Main I2C interface

SDA

DIO(VIO_VMEM)

SDA for Main I2C interface

MASTER_CLK

Pull Down 1.5M

Ω

26 MHz, 13 MHz or 19.2 MHz from modem

CLK32K_IN

DI(VIO_VMEM)

Pull Down 1.5M

Ω

32 kHz input

CLK32K

DO(VIO_VMEM)

32 kHz to multimedia processor

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