MT9M112 SOC1320 MI-1320 PLCC28 1/4-inch 1.3 Megapixel 1280*1024 5:4 SOC CMOS digital color image sensor for toys, PDAs, low-end Cell phones... Other portable equipment
MT9M112 datasheet, SOC1320 specification, MI-1320 PDF document, Made by KINGPAK PLCC28 MICRON 1/4-inch Die, 1.3 Megapixels 1280*1024, 5:4 system-on-chip SOC, CMOS digital color image sensor, For toys, PDAs, low-end phones... CMOS sensors for other portable devices
MT9M112 Features
● Micron DigitalClarity（TM） CMOS imaging technology
● System-On-a-Chip (SOC)—Completely integrated camera system
● Ultra-low power, low cost, progressive scan CMOS image sensor
● On-die phase lock loop (PLL)
● Superior low-light performance
● On-die image flow processor (IFP) performs sophisticated processing: Color recovery and correction, sharpening, gamma correction, lens shading correction, and on-the-fly defect correction
● Programmable I/O slew rate
● 2 x 2 pixel binning
● Mechanical shutter support
● Filtered image downscaling to arbitrary size with smooth, continuous zoom and pan
● Fully automatic Xenon- and LED-type flash support
● Automatic Features:
Auto exposure, auto white balance (AWB), auto black reference (ABR), auto flicker avoidance, auto color saturation, and auto defect identification and correction
● Multiple parameter contexts, easy/fast mode switching
● Camera control sequencer automates snapshots, snapshots with flash, and video clips
● Simple two-wire serial programming interface
● ITU-R BT.656 (YCbCr), 565RGB, 555RGB, or 444RGB formats (progressive scan)
● Raw and processed Bayer formats
● VDD power disable switch for reduced standby current
● Four general purpose input bond pads
SOC 1320 Applications
● Cellular phones
● PDAs
● Toys
● Other battery-powered products
Table 1: Key Performance Parameters
MI-1320 Ordering Information
Part Number / Description
MT9M112D00STC / Die
MT9M112 General Description
The Micron (R) Imaging MT9M112 is an SXGA-format, single-chip camera CMOS active-pixel digital image sensor. This device combines the 2.8μm image sensor core with fourth-generation digital image flow processor technology from Micron Imaging. It cap-tures high-quality color images at SXGA resolution.
The SXGA CMOS image sensor features DigitalClarity-Micron's breakthrough low-noise CMOS imaging technology that achieves CCD image quality (based on signal-to-noise ratio and low-light sensitivity), while maintaining the inherent size, cost, and integration advantages of CMOS.
The sensor is a complete solution designed specifically to meet the low-power, low-cost demands of battery-powered products such as cellular phones, PDAs, and toys. It incor-porates sophisticated camera functions on-chip and is programmable through a simple two-wire serial interface.
The MT9M112 performs sophisticated processing functions including color recovery, color correction, sharpening, programmable gamma correction, auto black reference clamping, auto exposure, automatic 50Hz/60Hz flicker avoidance, lens shading correction, auto white balance (AWB), and on-the-fly defect identification and correction.
Additional features include day/night mode configurations, special camera effects such as sepia tone and solarization, and interpolation to arbitrary image size with continuous filtered zoom and pan. The device supports both Xenon and LED-type flash light sources in several snapshot modes. The device also has an on-board PLL, and supports pixel binning as an enhanced form of image size reduction.
The MT9M112 can be programmed to output progressive-scan images up to 30 fps. The image data can be output in any one of six 8-bit formats:
● ITU-R BT.656 (formerly CCIR656, progressive scan only) YCbCr
● 565RGB
● 555RGB
● 444RGB
● Raw Bayer
● Processed Bayer
The FRAME_VALID and LINE_VALID signals are output on dedicated signals, along with a pixel clock that is synchronous with valid data.
MT9M112 Functional Overview
The MT9M112 is a fully-automatic, single-chip camera that requires only a power supply, lens, and clock source for basic operation. Output video is streamed through a parallel 8-bit DOUT port as shown in Figure 1 on page 9. The output pixel clock is used to latch data, while FRAME_VALID and LINE_VALID signals indicate the active video. The MT9M112 internal registers are configured using a two-wire serial interface.
The device can be put in a low-power sleep mode by asserting STANDBY and shutting down the clock. Output signals can be tri-stated. Both tri-stating output signals and entry in standby mode also can be achieved through the two-wire serial interface regis-ter writes.
The MT9M112 accepts input clocks up to 54 MHz, delivering up to 30 fps for VGA resolu-
tion images.
MT9M112 Internal Architecture
Internally, the MT9M112 consists of a sensor core and an image flow processor (IFP).
The IFP is divided in two sections: the colorpipe (CP) and the camera controller (CC).
The sensor core captures raw Bayer-encoded images that are then input in the IFP. The CP section of the IFP processes the incoming stream to create interpolated, color-corrected output, and the CC section controls the sensor core to maintain the desired exposure and color balance and to support snapshot modes. The sensor core, CP, and CC registers are grouped in three separate address spaces as shown in Figure 2 on datasheet page 9.
When accessing internal registers through the two-wire serial interface, select the desired address space by programming the R0xF0 (R240) register.
The MT9M112 accelerates mode-switching with hardware-assisted context switching and supports taking snapshots, flash snapshots, and video clips using a configurable sequencer.
The MT9M112 supports a range of color formats derived from four primary color representations: YCbCr, RGB, raw Bayer (unprocessed, directly from the sensor), and processed Bayer (Bayer format data regenerated from processed RGB). The device also supports a variety of output signaling/timing options:
● Standard FRAME_VALID/LINE_VALID video interface with gated pixel clocks
● ITU-R BT.656 marker-embedded video interface with either gated or uniform pixel clocks
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