www.st.com/car-radio

Processor for car radios and display audio

Car radio and display audio markets require a combination of audio handling, connectivity support and smartphone mirroring features. ST’s Accordo2 processor offers compact, innovative, cost-effective solutions for these markets, as well as automotive sound systems.Accordo2 offers a smart combination of processing efficiency, fully-integrated audio capabilities and secure coprocessor for real-time automotive network tasks.

CD (S/PDIF, block dec.)Audio DSP

Sample rate convertersAudio DACsAudio ADCs

Digital audio IF (I²S/SPI)Audio and sound

UARTGPIO

I²CSPI

SD/MMCHigh speed USB

Connectivity

SDRAMParallel NOR-NANDSerial quad NOR/XIP

External memory interfaces

VisualCamera input GFX engine LCD controller

Boot code authenticationSecure interconnect

UUIDOTP

Security

Main CPUCortex R4 Embedded SRAM

System

DMAJTAG

WatchdogInterrupt controller

Power on resetPower management logic

RTCEFT

Timers/counters

GPIOCAN

Cortex M3

MailboxReserved eSRAM

Microcontroller subsystem

Key Features• Cortex-R4coreat450+MHz,withintegratedeSRAMforinfotainmentandconnectivitytasks

• SecureCortex-M3coprocessorforCANmanagement

• LargeintegratedeSRAMbankforDRAM-lessoperation(XIPwithSQI)

• Powerfulaudiosubsystem• 450+MIPsDSPcapability• Analoginputs(ADCs)andoutputs(DACs)• Hardwaresamplerateconverters• Flexiblehardwareaudiorouting

• Visualinterfaces• 2Dacceleratorgraphicsengine• Videoinputport(ITU601/656)• LCDdisplay+touchscreencontrollers

• Fully-integratedconnectivityset:HSUSB2.0HostandDevice,SD/SDIO,CAN,SPI,I2C,UART,andmore

• Integratedpowermanagement

Key BeNeFIts• “Onechipsolution”forBTcarradioanddisplayaudio

• Optimizedbillofmaterials

• Reducedsystemcomplexity

• PowerfulsystemarchitectureresultinginminimalCPUload

• Supportofsmartphonemirroringfeatureforsafeandsmoothin-caroperation

• Severalpin-to-pincompatibleversionsforscalabilitywithsinglePCBdesign

• Bootingfrommultiplesourcesforflexibilityofimplementationandeaseoffirmwareupgrades

sOFtWare OFFerING• CompleteturnkeysoftwareofferingT-Kernelsupportforfast,robust,smallfootprintoperations• Soundeffects• AudioCodecs• MediaPlayer• MediaLibrary• iPODControlLibrary• TunerControlLibrary

• Linuxsupportforopen-sourceecosystembenefits

Accordo 2

© STMicroelectronics - May 2015 - Printed in United Kingdom - All rights reservedThe STMicroelectronics corporate logo is a registered trademark of the STMicroelectronics group of companies

All other names are the property of their respective owners

For more information on ST products and solutions, visit www.st.comOrder code: FLACCORDO0515

example OF aFter marKet meCHaless Car radIO ImplemeNtatION

example OF Oem dIsplay audIO ImplemeNtatION

SQINOR

USBDual roleiAP2 ready

Audio decoder and playbackiPOD control libraryDSP/sound effect

USBiPOD

Smartphone

SPI/GPIOs

I²C

Accordo2/STA1080

Dotmatrix

Front panel

ADC

Aux INAM/FMtuner

4-channelamplifier

Pre amp

DAC

Line OUTADC

I²S UART

Mic IN Bluetooth HCIRF

devICe summary

part number CaN microcontroller support visual interfaces

sta1080 No No

sta1085 Yes No

sta1090 No Yes

sta1095 Yes Yes

paCKaGe INFOrmatION LFBGA361balls,16x16x1.7mm,0.8mmpitch

OperatING CONdItIONs VDD:1.14V-1.26VVDDIO:3.3V±10%VDDIOON:3.3V±10%,Operatingtemperaturerange:-40/+85°CAutomotiveGrade

Video decoder

4-channelamplifier

SDRAM NAND

ADC

Vehicle IF processor

USB HSDual roleiAP2 ready

Audio decoder and playbackiPOD control libraryDSP/sound effect

Media libraryBluetooth stacks

ECNR

USB keyiPOD

Smartphone

SD/SDIO

RGBTSC

CAN

I²C

I²C

S/PDIF/I²S

I²S UART

Accordo2/STA1095

LCDFront panel

CD module

ADC

Aux IN Mic INAM/FMtuner

Bluetooth HCIRF

DAC

Camera