Products - GPA7775A

General Description

GPA7775A, a highly integrated SoC (System-On a Chip) by Generalplus, is a high cost-performance ratio solution for multi-media, video streaming and AI applications. It is developed with a high performance and power efficient 32-bit single-core ARM Cortex-A7. GPA7775A can be operated at up to CPU/system 666/222MHz with significant enhancements in ISP processing, 2D/3D Graphics accelerating, video CODEC processing, audio process, deep learning accelerating and a rich set of peripherals.

Features

• 32-bit single-core Arm Cortex-A7
  • L1 32-Kbyte I cache / 32-Kbyte D cache
  • 128-Kbyte unified level 2 cache, embedded JTAG
  • With NEON and FPU
  • ICE with SWD/JTAG interface
  • Working frequency up to 666MHz.
• Up to 470KB SRAM (Dedicated 128KB SRAM) for local data buffer.
• LPDDR2 SDRAM controller with 16-bit data bus supports up to 1068Mbps (LPDDR2 clock 534MHz).
• SPI FLASH controller allows CPU directly running program on it, and supports 1-bit/2-bit/4-bit IO mode.
• 3D GPU, API supports OpenGL ES2.0, OpenVG 1.1
  • Up to 22 Mtriangle/s, 112 Mpixel/s
• Picture Process Unit (PPU)
  • Four Text layers + 1024 internal Sprites + 4096 extended Sprites
  • Virtual 3D effect for text and sprite.
  • QVGA/VGA/D1 and arbitrary size up to 2032x2032 output.
  • Line-Based or Frame-Based Operation
  • 1920x1080 LCD Resolution Output
  • Texture mapping with anti-aliasing and bilinear interpolation.
• Sound Process Unit (SPU)
  • 16 Hardware PCM/ADPCM Channels
  • Built-in Dynamic Volume Compressor
  • MP3/WMA Decoder
• Two sets of JPEG CODEC.
  • ISO/IEC 10918-1 Baseline JPEG
  • High-speed decoding and encoding with resolution up to 64MPixel.
  • Hardware Motion JPEG decoding and encoding (up to 1080p 70fps at Q70) for real-time video record and playback application.
• 264 CODEC supports resolution up to 2560x1440 30fps or dual 1080P 30fps.
  • FBC(Frame buffer compression) is supported for reference frame accessing.
• Video-in & CMOS sensor interface and CCIR601/CCIR656 CSI standard are supported.
• A 2-lane MIPI CSI input is supported with data rate up to 800Mbps/lane.
• A 4/2-lane MIPI CSI input is supported with data rate up to 800Mbps/lane.
• Binning mode engine A for 2-lane MIPI CSI input supports:
  • Divide 2 & 4 binning
  • Skip and average mode
  • RAW8 and RAW10
  • Input image crop
  • Bypass mode
• Binning mode engine B for 4-lane MIPI CSI input supports:
  • Divide 2 & 4 binning
  • Skip and average mode
  • RAW8 and RAW10
  • Input image crop
  • Bypass mode
  • Up to 4 virtual channel input from 4-lane MIPI CSI input.
• GPDLAv2 is a deep learning accelerator which supports various deep neural network models. Applications such as object classifications, object detection and face detection are all possible, and will enrich user experience.
• NAND FLASH controller with ECC and 4/8/12-bit BCH.
• Eight-Channel DMA Controller
• Security H/W Accelerator:
  • AES supports key length 128-bit/192-bit and 256-bit.
  • HASH supports SHA2-256 / SHA2-512 / SHA3-224 / SHA3-256 / SHA3-384 and SHA3-512 for AES GCM mode.
  • RSA supports data length 256/512/1024 and 2048-bit.
  • 4Kb OTP for Security
  • Supports ARM standard Trust Zone.
  • True Random Number Generator
• Y-only rotating engine supports rotate at any angle
• Rotating engine supports 90/180/270/360/Mirror/Flip function.
• Line-based rotating engine can rotate a DRAM image buffer by the multiple of 90 degrees. With TFT controller, the rotated data will be sent to TFT controller directly, and there won’t be any extra bandwidth consumption.
• Two Sets of TFT-LCD Controller
  • UPS051 (Serial RGB)
  • UPS052 (Serial RGB dummy)
  • Parallel RGB (6-6-6, 5-6-5, 8-8-8)
  • I80 (8-bit/16-bit/18-bit System Bus) I/F Type
  • CCIR601/CCIR656
  • Built-in Timing Controller for TFT-LCD drivers.
  • Scaling engine inside with programmable up-scaling and down-scaling factor.
  • Gamma Table Adjustment (TFT1 Only)
• Two Sets of TFT SPI interface controller
  • Supports programmable resolutions up to 320x320
  • The TFT clock can be a divisor of system clock (/2, ~ /64)
  • Support both 3-wire mode and 4-wire mode
• Up to two-lane MIPI DSI interface with panel resolution up to 720x1920 is supported.
• Two sets of Pscaler support transform and zoom-in/out image data to the format supported by JPEG/CDSP/PPU MB2SCAN/DRAM.
• HDMI v1.4 with HDCP resolution up to 1080p.
• One Y-only Pscaler for gray level output.
• Embedded ISP (Image Processing Unit) supports raw data sensor up to 13M pixels.
  • Histogram statistics for auto brightness and contrast.
  • Programmable RGB Gamma Correction
  • Color conversion matrix for various post-image processing.
  • 2^nd Generation Lens Uniform Correction
  • WDR
  • Sharpen
  • Bad-Pixel Cancelation
  • AE/AWE
  • 2D NLM De-noise
  • 3DNR
  • Binning Mode
  • Auto Focus
  • In auto mode, sensor input will go through ISP and be output to USB directly. Latency < One Frame.
• Image Processing Unit
  • Maximum width more than 2048 pixels.
  • Address-remap supports direct addressing and coordinates addressing.
  • Color-remap only supports ARGB1555 and RGB565.
  • Sixteen OP modes are supported.
  • Alpha transform is supported.
• FFT Accelerator
  • Supports FFT32, FFT64, FFT128, FFT256, FFT512, FFT1024, and FFT2048.
  • Internal 24-bit accuracy for FFT calculation.
• Two sets of Universal Serial Bus (USB) 2.0 high/full speed compliance device and USB OHCI/EHCE host controller with built-in transceiver, up to 24MB/sec@UVC.
• Watchdog Timer
• Eight 32-bit timers/counters with PWM output capability.
• Eight-Channel Quadrature Decoder
• SD 2.0/MMC Interface
• SD 3.0 Interface, up to 100MHz.
• Two sets of SPI (master/slave) interface with data rate up to 24Mbps.
• Three sets of UART (asynchronous serial I/O) or IrDA interface with baud rate up to 1.8432Mbps and 115.2Kbps. Smart card interface (ISO7816) is also supported.
• Three sets of I2C controller
• Four sets of I2S input with 24-bit resolution and up to 192KHz sample rate.
• Four sets of I2S output with 24-bit resolution and up to 192KHz sample rate.
• PDM to PCM converter which supports MEMS microphones with PDM interface.
• Embedded Ethernet MAC Hardware
• Hardware 3x3 Box Filter Engine
  • Resolution support up to 640x480
  • Y-only 3x3 filter, filer coefficients are programmable
• LBP (Local Binary Patterns) accelerator supports up to 640x480 resolution.
• 86 general programmable I/O ports (GPIO) with pull-high/low control.
• Power management integrates SD3.0 LDO, Sensor LDO, PLLs LDO. It also includes 4*Power on key control and RTC wakeup control.
  • RTC has an independent power pad, and if the pad is always powered on, RTC can perform functions including issuing alarms and waking up the whole system.
  • Built-in 32KHz internal oscillator is for no 32KHz crystal application, or quick startup of the system for the first time when RTC is powered on.
  • 3V to 2.8V regulator for sensor’s power.
  • Dedicated 3.3V to 1.8V LDO for SD 3.0 I/O.
  • Dedicated 3.3V to 2.8V LDO for PLLs.
  • Power on Reset and Low Voltage Reset
  • OVP11 (Over Voltage Protection) Detect
  • When the power of some IOs is kept in core power off mode, these IOs and USB can wakeup the whole chip.
  • Power-down mode with low standby current, typically around 6uA.
• Programmable system PLL frequency, from 216MHz to 1188MH, for CPU, and with a divider, the frequency can also be provided to the system clock.
• Programmable external PLL frequency from 72MHz to 639MHz for HDMI/TFT/GPDLA/GPU etc.
• Audio PLL frequency can output 73.728MHz for 48KHz sampling-rate, and output 67.737MHz for 44.1KHz sampling-rate
• 16-bit stereo DAC (2-channel) for audio playback.
• 16-bit ADC with MIC for audio recording.
• 12-bit SAR ADC with 5 line-in channels and 75Ksps
• Temperature sensor.
• MIC with Digital AGC (Auto Gain Control)
• Audio compressor for audio dynamic range adjustment. Both microphone input and DAC output are supported.
• Boot mode is selectable: the system code can be booted from SPI Flash, SD card, NAND Flash, or USB.
• LFBGA 148L Package
• Operating voltage: I/O 3.3V, Core 1.1V, LPDDR2 1.25V.
• Operating temperature: -20~85C.