MTX001-48-C

MTX MTX series MJPEG compression processor Rev 2 Data Sheet 02/16/21 www.mitex.us 1 MTX Table of Contents 1 Overview ........................................................................................................... 3 2 Key specifications ........................................................................................... 3 3 Targeted application ..................................................................................... 4 4 System level description ............................................................................... 5 4.1 4.2 4.3 4.4 4.5 4.6 02/16/21 Architecture Overview .............................................................................. 5 Pin Configuration and Functions ............................................................ 6 Image Sensor interface Timing ............................................................... 9 MJPEG data interface Timing ................................................................ 10 Frame Dimension .................................................................................... 11 Ratings ..................................................................................................... 12 5 Package Specifications ................................................................................ 13 6 Ordering information .................................................................................. 14 7 Revision history............................................................................................. 15 8 Disclaimer ....................................................................................................... 15 www.mitex.us 2 MTX 1 Overview The MTX is an Image Compression Processor series that performs the JPEG Baseline Algorithm. The MTX performs Discrete Cosine Transform, Quantization, and Entropy Encoding. It does not use any external memory and is designed to operate without any host intervention. The MTX series has different options. Its base option is MTX001. It includes a Lattice Semiconductor FPGA ICE40UP5K, packaged in a 30-ball WLCSP and in a 48pin VFQFN Exposed Pad, preconfigured with the MJPEG encoder IP. Figure 1. a) MTX001-48; b) MTX001-30 2 Key specifications  Image Sensor interface - Pixel input data 8 bits YUV 4:2:2 - Pixel clock 25MHz max - ITU-R compliant parallel digital video interface timing  Host interface paralleled to data interface - 8 bits JPEG compressed data - 1-bit data enabled pulse. Data enabled pulse duration equals to period of Pixel clock     02/16/21 Selectable 4 compression rates Standard Huffman Tables No external memory No programming required www.mitex.us 3 MTX Latency 8 times of Frame length Image resolution 4K, 2K, VGA Image Sensor OV7690 CameraCube default configuration Package  7.0mm x 7.0mm 48-pin VQFN  2.5mm x 2.1mm 30-Ball WLSC  Customization availability     3 Targeted application The MTX001 is designed for products that record video. Some examples are:  Small action cameras  Wireless doorbells  Surveillance cameras  Tracking device with camera capability  Smart wallets with camera 02/16/21 www.mitex.us 4 MTX  Drone cameras 4 System level description 4.1 Architecture Overview The MTX001 performs JPEG Baseline compression for both Still Image and Real Time Video streams. Figure 2 shows the simplified block diagram of this device. Figure 2. MJPEG encoder simplified block diagram 02/16/21 www.mitex.us 5 MTX 4.2 Pin Configuration and Functions Figure 3. MTX001-48-x pinouts Table 1 lists the pin descriptions and their corresponding pin numbers for the MTX001-48 base version. 02/16/21 www.mitex.us 6 MTX Table 1. Pin descriptions Pin# Name Description Direction 36 RST_SYSn System Reset. Active Low. Pulled-up 10k internally 27 ALIVE “Heart Beat” pulses 48 SCL 45 SDA 28 QLEV-1 31 QLEV-0 37 CLK_PXL Pixel Clock from Image Sensor in 43 HREF Horizontal reference from Image Sensor in 44 VSYNC Vertical sync from Image Sensor in 42 YCbYCr-0 YCbYCr Pixel data bit 0 from Image Sensor in 47 YCbYCr-1 YCbYCr Pixel data bit 1 from Image Sensor in 41 YCbYCr-2 YCbYCr Pixel data bit 2 from Image Sensor in 40 YCbYCr-3 YCbYCr Pixel data bit 3 from Image Sensor in 34 YCbYCr-4 YCbYCr Pixel data bit 4 from Image Sensor in 25 YCbYCr-5 YCbYCr Pixel data bit 5 from Image Sensor in 39 YCbYCr-6 YCbYCr Pixel data bit 6 from Image Sensor in 38 YCbYCr-7 YCbYCr Pixel data bit 7 from Image Sensor in 6 MD_GATE MJPEG data Gate out 9 MD_ENB MJPEG data enable signal out 12 MD-0 MJPEG data bit 0 out 2 MD-1 MJPEG data bit 1 out 13 MD-2 MJPEG data bit 2 out 3 MD-3 MJPEG data bit 3 out 32 MD-4 MJPEG data bit 4 out 4 MD-5 MJPEG data bit 5 out 11 MD-6 MJPEG data bit 6 out 10 MD-7 MJPEG data bit 7 out 49 EP_GND Exposed Pad for grounding - 5 VCC Power supply, Core, 1.2V - 30 VCC Power supply, Core, 1.2V - 33 VCCIO0 Power supply, I/0 bank 0, 3.3V - 22 VCCIO1 Power supply, I/0 bank 1, 3.3V - 1 VCCIO2 Power supply, I/0 bank 2, 3.3V - 02/16/21 SCCB clock to Image Sensor. 4.7k pull-up to 3.3V required SCCB data to/from Image Sensor. 4.7k pull-up to 3.3V required Quant level selecting bit 1. Pulled-up 10k internally Quant level selecting bit 0. Pulled-up 10k internally www.mitex.us out out inout in in 7 MTX 29 VCC_PLL Power supply, PLL, 1.2V - 24 VCC_PP Power supply, Configuration Memory, 2.5V - 7 NC Not Connected - 8 NC Not Connected - 14 NC Not Connected - 15 NC Not Connected - 16 NC Not Connected - 17 NC Not Connected - 18 NC Not Connected - 19 NC Not Connected - 20 NC Not Connected - 21 NC Not Connected - 23 NC Not Connected - 26 NC Not Connected - 35 NC Not Connected - 46 NC Not Connected - The four levels of quant levels selecting by the input signals applying to pins QLEV-1 and QLEV-0 "11" - Level 0 "10" - Level 1 "01" - Level 2 "00" - Level 3 During the initial powering up or after system reset, the Image Sensor OV7690 CameraCube is configuring through SCCB interface (SCL and SDA pins). OV7690 default configuration stored in MTX001-48-x. Afer configuration finished, the “Heart Beat” pulces generated from the pin ALIVE. MTX001-48-x is ready to receive the the frame from the image sensor, JPEG compressing image frames, and sending compressed data to out. Other than OV7690, a different image sensors could be connected to MTX001-48x. However in this case the image sensor should be configured from the external I2C interface. 02/16/21 www.mitex.us 8 MTX 4.3 Image Sensor interface Timing Image sensor interface timing diagram shown in Figure 3. Figure 4. Image Sensor interface timing diagram Table 2 lists the image sensor interface timing parameters and descriptions for the MTX001. 02/16/21 www.mitex.us 9 MTX Table 2. Image Sensor interface timing parameters Min Max Unit Pixel Clock frequency 10 25 MHz Pixel Clock period 40 100 nsec Data Setup time 7.7 nsec Data Hold time 1.1 nsec Symbol fpclk tpclk tsu thd tphl tpdv tline tvh tvs Description Pixel Clock [↓] to Horizontal Reference [↓] 0 5 nsec Pixel Clock [↓] to Data-out Valid 0 5 nsec Video frame width - - nsec Vertical Sync [↓] to Horizontal Reference [↑] 8 × tline - nsec Vertical Sync width 2 × tpclk - nsec 4.4 MJPEG data interface Timing MJPEG data interface timing diagram is shown in Figure 4. Figure 4. MJPEG data interface timing diagram Table 3 lists the MJPEG data interface timing parameters and descriptions for the MTX001. 02/16/21 www.mitex.us 10 MTX Table 3. MJPEG data interface timing parameters Symbol Description Duration tmsu MJPEG Data Setup time Tpixel_clock / 2 tmsu.start Last MJPEG Data Setup time 5 * Tpixel_clock / 2 tmhd MJPEG Data Hold time 3 * Tpixel_clock / 2 tmhd.last Last MJPEG Data Hold time Tpixel_clock tmde MJPEG Data Enable width Tpixel_clock / 2 tmbde Interval between consecutive MJPEG Data Enables, min 3 * T pixel_clock / 2 4.5 Frame Dimension Frame image dimensions shown in Figure 5. Figure 5. Frame image dimensions 02/16/21 www.mitex.us 11 MTX The frame’s horizontal width and vertical height calculate automatically. The horizontal width has the following constraints:  Value should be divided by 32  Max value is 4096 The vertical height has the following constraints:  Value should be divided by 32  Max value not limited 4.6 Ratings Table 4. Absolute Maximum Ratings Min Max Unit Core Power supply -0.5 1.42 V I/0 Power supply -0.5 3.60 V PLL Power supply -0.5 1.42 V TA Storage Temperature (Ambient) -65 150 °C TJ Junction Temperature -65 125 °C Min Max Unit Symbol Vcc VCCIO VCC_PLL Description Table 5. Recommended operating conditions Symbol Description Vcc Core Power supply 1.14 1.26 V VCCIO I/0 Power supply 3.14 3.46 V PLL Power supply 1.14 1.26 V 0 85 °C -40 100 °C VCC_PLL TJCOM Junction Temperature Commercial Operation TJIND Junction Temperature Industrial Operation 02/16/21 www.mitex.us 12 MTX 5 Package Specifications The MTX001-30 is packaged in a 30-Ball WLSC. Its package dimensions are shown in Figure 6 (in millimeters). Figure 6. MTX001-30 package The MTX001-48 is packaged in a 48 pin VFQFN Exposed Pad. Its package dimensions are shown in Figure 7 (in mm). 02/16/21 www.mitex.us 13 MTX Figure 7. MTX001-48 package 6 Ordering information 02/16/21 www.mitex.us 14 MTX 7 Revision history Date Revision Version 5/14/2019 0 Original revision 02/01/2020 1 Product table added 02/09/2021 2 Timing digarramm updated 8 Disclaimer We expressly disclaim any liability arising out of the application or use of the MTX. We reserve the right to make changes, at any time, to the MTX as deemed desirable in the sole discretion of ours. We assume no obligation to correct any errors contained herein or to advise you of any correction if such be made. We will not assume any liability for the accuracy or correctness of any engineering or technical support or assistance provided to you in connection with the MTX. THE DESIGN IS PROVIDED “AS IS” WITH ALL FAULTS, AND THE ENTIRE RISK AS TO ITS FUNCTION AND IMPLEMENTATION IS WITH YOU. YOU ACKNOWLEDGE AND AGREE THAT YOU HAVE NOT RELIED ON ANY ORAL OR WRITTEN INFORMATION OR ADVICE, WHETHER GIVEN BY US, OR OUR AGENTS OR EMPLOYEES. WE MAKE NO OTHER WARRANTIES, WHETHER EXPRESS, IMPLIED, OR STATUTORY, REGARDING THE DESIGN, INCLUDING ANY WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, TITLE, AND NONINFRINGEMENT OF THIRD-PARTY RIGHTS. The MTX is not designed or intended for use in the development of on-line control equipment in hazardous environments requiring fail-safe controls, such as in the operation of nuclear facilities, aircraft navigation or communications systems, air traffic control, life support, or weapons systems (“High-Risk Applications”). We specifically disclaim any express or implied warranties of fitness for such High-Risk Applications. You represent that use of the MTX in such High-Risk Applications is fully at your risk. 02/16/21 www.mitex.us 15