JMB313 Datasheet PDF - JMicron


Part Number JMB313
Description USB2.0 UVC WebCam Controller
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JMB313 USB2.0 UVC WebCam Controller
JMB313 is a high-integration low power USB2.0 PC/NB camera controller. It incorporates a high speed
USB2.0 transceiver, 3.3V to 2.8V/1.8V voltage regulator, a CMOS sensor interface, a SPI serial interface
and low-power 8051 CPU.
JMB313 is fully compliant with USB Video Class (UVC) 1.1. With the flexible and programmable
CMOS sensor interface, it can support a variety of sensor sources such as Omnivision, Micron/Aptina,
Samsung and others, up to UXGA (1600 x 1200). JMB313 also provides real-time VGA-size preview mode
up to 30 frames per second on different resolutions.
JMB313 offers the best-in-industry BOM reduction for notebook camera module. It supports EEPROM
(2KB to 8KB) in addition to SPI serial flash and the built-in voltage regulator and USB crystal circuit can
effectively reduce the BOM cost.
3.3V single power, 1.8V core power from internal regulator.
Built-in regulator from 3.3V to 2.8V and 1.8V
Lower power consumption (Operation < 55mA, Standby < 45mA & Suspend < 300uA)
Built-in DP8051 (16KB code SRAM for easy update)
Built-in JTAG interface for easy debugging.
GPIO for LED indicator, shutter button, module flip detection, sensor power-down control, sensor
reset, I2C (SCL & SDA) and SPI I/F (CS, SCLK, SI & SO)
Built-in watch dog timer
32-pin LQFN (5mm* 5mm)
Sensor Interface
Support YUY2 (8 bit), RGB (565) and RGB Bayer patter (8 bit)
Down-sampling frames for flow control
Video streaming up to 30fps@VGA, 9fps@SXGA ad 6fps@UXGA at high-speed operation
VGA preview mode 30fps for SXGA & UXGA
Output maximum 60MHz sensor clock
Support clock divider (1/2, 1/4, …) for 30 fps series (30, 15, .5.. fps) and 25 fps series (25, 12.5,
USB 2.0 interface
USB Video Class 1.1 compliant
Remote wake-up
Copyright © 2008 JMicron Inc. All rights reserved.
Product Brief
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Support 3 Endpoints: Control x 1, Isochronous x 1 and Interrupt x 1
Built-in UVC Camera Terminal Control
Auto-Exposure mode control
Auto-Exposure priority control
Exposure control
Privacy control
Pan and Tilt control
Built-in UVC Color Processing Control
Backlight compensation control
Brightness control
Contrast control
Gain control
Power Line Control
Hue Control
Gamma Control
White Balance Control
Debug Interface
UART debug interface to access sensor registers
Easy download program with Xmodem protocol
Support serial flash and EEPROM for code update
Copyright © 2008 JMicron Inc. All rights reserved.
Product Brief
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Block Diagram
Supporting Document
1 Product Brief
2 Data Sheet
3 Hardware Design Guide
4 Application Schematic
Contact Information
Tech. Support
Copyright © 2008 JMicron Inc. All rights reserved.
Product Brief
Page 3
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