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