Spreadtrum Announces Quad Core SC5735 SoC for 3G Tablets

Spreadtrum is a Chinese SoC vendor known for its low cost smartphone SoCs, but they’ve recently announced a new SoC with four ARM Cortex A7 cores and a Mali-400MP(2/4) GPU together with WCDMA support for entry-level 3G tablets.

Spreadtrum SC5735 main features are listed below:

• Processor – ARM Cortex A7 MP4 processor, up to 1.2GHz with 32 KB L1  I-cache, 32 KB D-cache, L2 512KB cache and 32 KB dedicated on-chip SRAM. Boots from NAND, USB, UART, or eMMC
• Multimedia Features
  • GPU – Mali 400 MP4 or MP2, 40MTri/s,700Mpix/s, OpenGL ES 1.1/2.0
  • Video Decoder – MPEG4/H.263 1080P@30fps; H.264 1080P@30fps ; VP8 1080P@30fps
  • Video Encoder – H.263/H.264/MPEG4 1080P@30fps
  • Video Streaming – MPEG4/H.263/H.264 1080P@30fps
  • 3G-324M Video Telephony
  • Support MP3/AAC/AAC+/MIDI/AMR-NB/WAV format
  • Audio codec included
  • 5MP primary camera and up to 2Mp secondary camera
• External Memory Interfaces
  • NAND flash
  • eMMC, up to eMMC 4.5
  • Up to 2GB DDR3, LP DDR1, LP DDR2, (16bit and 32bit devices)
• Peripheral and Connectivity Interfaces
  • Supports tri-SIM cards, both 1.8V and 3.0V devices
  • 4x I2C, 3x SDIO 2.0, 5x UARTs, 3x SPIs, supports both master and slave, supports 3-wire SPI, 4-wire SPI and synchronous SPI
  • USB 2.0 High speed OTG
  • 2x IIS and PCM for audio codec connection
  • 8-column x 8-row keypad with internal pull-up resistors
  • 4x PWM outputs
  • More than 100 GPIO pins
  • 18 auxiliary inputs to a 12-bit analog to digital converter (auxiliary ADC) for measurement purposes, and 4 inputs for user applications.
• Modem Features
  • GSM/GPRS/EDGE Release 1999, GSM850, GSM900, DCS1800, and PCS1900 recommendations
  • EGPRS class12, type B (MCS1-9 in downlink and MCS1-9 in uplink)
  • Cryptographic Algorithms: A5/1 A5/2 A5/3, GEA1, GEA2, GEA3
  • Compatible with Release 99 WCDMA up to UE class 384kbps both uplink and down link
  • Supports W band 1-6, 8,9,10 and Release 7 HSDPA/HSUPA
• Voice and Audio Codec
  • Stereo audio output
  • 3 Mic input, or 3 digital Mic input
  • Integrated microphone bias
  • Integrated Class D amplifier
  • Quad vocoders for adaptive multi-rate (AMR), enhanced full rate (EFR), half rate (HR), and full rate (FR)
• LCD Display
  • Integrated display controller (Dispc), support MCU IF, RGB IF
  • Integrated MIPI DSI, 4 data lanes
  • Typical image sizes – QCIF, QVGA, WQVGA, CIF, VGA, HVGA, WVGA, FWVGA, qHD, WxGA (1280×768). The company also claims they support 1080p displays.
• Camera
  • Integrated MIPI CSI, 4 data lanes
  • 5MP primary camera and up to 2MP secondary camera

• Connectivity Features – Integrated WiFi/Bluetooth/FM/GPS

PadHZ reports SC5735 supports Android 4.4 KitKat, dual-band WCDMA/HSPA+ as well as quad-band GSM/GPRS/EDGE, and that SC5735 is sampling now with volume production starting next month. The first tablets powered by Spreadtrum SC5735 are expected in H1 2014.

Jean-Luc Aufranc (CNXSoft)

Jean-Luc started CNX Software in 2010 as a part-time endeavor, before quitting his job as a software engineering manager, and starting to write daily news, and reviews full time later in 2011.

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