WhyCan Forum(哇酷开发者社区)

1.1 PLATFORM FEATURES

+ AP MCU subsystem

 － ARM Cortex-A5 32-bit RISC processor, with FPU and SIMD NEON engine, up to 1G Hz

 － 32kB L1 I-cache and 32kB L1 D-cache- 256kB unified L2 cache

 － In-house VOC DSP for voice and image process

 － 64-bit AXI fabric, up to 400MHz

 － 64kB on-chip ROM for system boot

 － 64kB on-chip SRAM for internal use

+ memory interface

 － Integrated 2Gb LPDDR2 SDRAM          //256M  LPDDR2  SDRAM

 － Integrated 4Gb 8Bit 2.8V 4K SLC Nand Flash        //512M nand flash，做产品成本可以压到极至了

 － Two SDIO interfaces, for TF cards and WIFI

 － support 4.4.1 EMMC interface

 － support SPI-NAND and SPI-NOR

+ Connectivity

 － Support 3 SIM cards and both 1.8V and 3.0V device

 － USB2.0 high-speed OTG

 － 3 UARTs for GPS, BT, FM, and debugging interfaces

 － 3 SPI for peripheral devices

 － 3 I2C for peripheral devices

 － 1 I2S for peripheral devices

 － 4 10-bit GPADC for sampling peripheral signals

 － 64 GPIOs, includes 16 interruptable GPIOs

 － Pulse Width Modulation (PWM) 1 PWL, 1 PWT and 1 LPG

 － 2 memory card controller

 － 8x8 Keypad scanner with multiple key detection, support ADC serial interface Keypad

1.2 MODEM FEATURES

+ System CPU(XCUP)

 － RDA RISC Core 32x32 bits

 － 16/32 bit instruction set

 － 4KB I-cache and 4KB D-cache

+ Base Band CPU (BCPU)

 － RDA RISC Core32x32 bits

 － 16/32 bit instruction set

 － 1KB I-cache and 1KB D-cache

 － GSM/GPRS Dedicated accelerators

 － RF Interface (RF IF)

 － DigRF interface for communication with the integrated transceiver

 － EGPRS class 12

+ RF Transceiver

 － Quad bands integrated transceiver

 － Integrated RF transceiver, Saw-Less, only needs external PA.

 － Digital low-IF receiver

 － Direct modulation transmitter

 － Frequency synthesizer

 － Integrated VCO, loop filters, etc.

 － Digital AFC

 － DigRF interface between digital baseband and transceiver

 － RF FEM control

+ Voice and Modem codec

 － Supports HR, FR, EFR, AMR voice codec

 － Integrated microphone bias

 － DTMF and Comfort Tone generator

 － 4 samples In and Out Fifos

 － I2S / DAI Interface

 － Serial Input / Output at 8/16 ks/s

 － Can be used for test purpose in DAI mode

 － Audio Interface To ABB

 － 13 bit RX Data from audio ADC

 － 16 bit TX Data to stereo DAC

1.3 MULTI-MEDIA FEATURES

+ LCD display

 － Support LCD module interface with 8/16/24 bit parallel interface or SPI series interface

 － Support RGB565/666/888 interface

 － Typical image sizes: QCIF, QVGA, WQVGA, CIF,VGA,WVGA,FWVGA

 － Support DSI interface, up to 1GHz

 － Support image size up to qHD

 － 4-layers blending graphical engine capable of resizing and YUV2RGB conversion

 － Support 2chip select

+ Image signal processor

 － Support 8-bit parallel or 1/2/4-bit series interface

 － Support CSI-2 interface, up to 1GHz

 － Support up to 5Mpix sensor

+ Vide

 － Separate video processor

 － Decodes up to 1080p 30fps

 － Encodes up to 1080p 30fps for H.264 format

+ Graphics

 － Separate graphic processor, Vivante’s GC860

 － support OpenGLES1.1/2.0

 － support OpenVG1.4

 － support DirectFB

 － support GDI/DirecShow

 － 30Triangle/s, 250Pixel/s

+ Audio

 － 2 channels voice ADC, 8kHz, 13 bits/sample for headset and on-board microphone

 － Voice DAC, 8kHz, 13 bits/sample for receiver

 － High fidelity Stereo DAC, up to 48kHz, 16 bits per sample

 － Stereo Audio speaker driver

 － 1.5W differential output stereo amplifier for loudspeaker, Class K

 － Stereo analog audio line input

1.4 POWER MANAGEMENT FEATURES

+ Power Management

 － Power On reset control

 － Internal 32K OSC for standby/ shutoff/ sleep state

 － Integrated Li-ion battery charger (from USB or AC charger)

 － Integrated all internal voltages from VBAT

 － Provide all LDOs for external components

 － Integrated 4 DC-DC, 1 BOOST

 － Integrated LCD backlight controller

 － Integrated Touch screen controller

 － Integrated RGB, keypad backlight controller