ATJ229RX数据手册Actions中文资料规格书

描述 Description

ATJ229X是专为广告机应用和教育电子产品设计的高集成度SoC。它整合视频解码引擎、显示引擎、音频引擎等模块。支持高达1080P的视频解码。

特性 Features

System
CPU
• High Speed MIPS32 processor
• Support DSP ASE instruction extension
• 8-stage pipeline
• Programmable Memory Management Unit
• 16KB I-Cache and 16KB D-cache

ChipID
• Programmable for customer

Audio Engine
• Support MPEG 1/2/2.5 L1/L2/L3 decoding,8~ 448K bps, CBR&VBR
• Support OGG/APE decoding
• Support several formats Audio encoding
• Support I2S TX master mode, with sample rate of8k/12k/11.025k/16k/22.05k/24k/32k/44.1k/48k/ 88.2k/96kHz
• Built-in stereo 20-bit DAC, SNR>98dB, SNR (A-Weighting)>99dB,THD+N<-86dB
• Built-in DAC supports sample rate of8k/12k/11.025k/16k/22.05k/24k/32k/44.1k/48kHz
• Built-in ADC supports sample rate of8k/12k/11.025k/16k/22.05k/24k/32k/44.1/48kHz
• The ADC SNR>85dB, SNR (A-Weighting)>87dB, THD+N<-80dB
• Built-in stereo 20mW PA (Power Amplifier) for headphone.
• The anti-pop circuit for PA noise suppression

LCD
• Display Engine
• Four moveable layers
• graphic layers, 1 YUV/RGB scalar video layer
• Scalar input layer size up to 1920*1080
• Alpha blending and color space converting
• Dither function for 16 bit/18 bit interface LCD
• Gamma correction
• Support rotation and scale
• Video brightness, contrast and saturation adjustable
• LCD/LVDS
• Support active (TFT) LCD panels with digital RGB/CPU input interface
• Support single channel LVDS interface LCD
• LCD controller with 24-bit RGB color resolution support
• Resolutions up to 1366*768 & 1280*800
• Programmable timing control for various panels

Image
• Support H.264 baseline/main/high profiledecoding, up to 1080p resolution
• Support MPEG-4 SP/ASP decoding, up to 1080p resolution
• Support MPEG1/2 decoding, up to 1080p resolution
• Support H.263 decoding, up to 720p resolution
• Support FLV decoding, up to 720p resolution
• Support DIVX decoding, up to D1 resolution
• Support JPEG Baseline decoding up to 8176*8176
• Support Rotation 90° function
• Support Scale down 1/2(Horizontal and Vertical direction)

Power&Clock Management
• Integrated several LDOs for internalcircuit
• Operating voltage: I/O 3.3V, Core 1.2V
• Low Power Consumption, less then 0.16mW/MHz of the CPU
• Dynamic system clock adjustment
• Support 6-channel 7-bit ADCs for system monitor and key matrix control
• One external 24MHz oscillator input is required, and the embedded PLLs willgenerate clocks for internal circuits
• Provides an external hardware reset through Reset Key (P_RESETB), which isa runtime reset the processor except RTC
• A software reset (SW_RST) is also supported, by writing related registersto reset blocks except RTC, WD and CMU

Physical Interfaces
USB 2.0
• USB 2.0 device and host controllers
• Complies with the USB2.0 Specification Revision 1.0a.
• UTMI+ level2 Transceiver Macrocell Interface.
• Supports point-to-point communication with one full-speed or high-speeddevice in Host mode (no HUB support).
• Supports full-speed or high-speed in peripheral mode.
• Supports bulk Isochronous and Interrupt transfer.

SPI
• One SPI support master mode and slave mode. The speed of master mode is upto 80Mbps, and the sleep of slave up to 20Mbps.
• Support dual I/O write and read mode while use as master.
• Support single data rate mode and double data rate (DDR mode) while use asmaster.
• Support two wire mode, only use SCLK and MOSI signal.
• Support IRQ and DMA mode to transmit data.

TWI
• One TWI supports master and slave modes
• Support standard mode (100kbps) and fast-speed mode (400kpbs)
• Hi-speed mode and 10-bit address mode not support
• Internal Pull-Up Resistor (2.7kOhm) optional

UART
• One UART supports 5-8 Data Bits and LSB first in Transmit and Receive
• 1-2 Stop Bits
• Even, Odd, or No Parity
• Capable of speeds up to 1.5Mbps connecting with Bluetooth and otherperipherals
• Support IRQ and DMA mode to transmit data
• IR Receiver
• Support de-bounce function
• Support RC5\\RC6\\9012\\NEC(8bit) protocol, compatible 36kHz, 38kHz and 40kHzcarriers

PWM
• 4 independent PWM signals from Hz to MHz
• PWM with 64-level duty adjustment
• PWM with high level or low level active
• Build-in pull-up or pull-down resistance in some functional pads

Operating System
• ATJ229R1: RTOS
• ATJ229R2: Linux

Package
• EPAD128, 14mm*14mm*1.4mm

Application
• Advertisement Machine applications
• Kids education device