1、 Sensor驱动
1）简介,
本方案中使用了两个摄像头模组:MT9P111和S5K6AAFX。其中MT9P111是APTINA公司推出的1/4英寸光学格式5M单芯片传感器，用作后摄像头；S5K6AAFX是三星出的1.3M CMOS高清图像传感器，用作前摄像头。
©2008 Aptina Imaging Corporation All rights reserved.
1/4-Inch 5Mp System-On-A-Chip (SOC) CMOS
Digital Image Sensor
MT9P111 Data Sheet
For the latest data sheet, refer to Aptina’s Web site:
Features
•
DigitalClarity
®
CMOS imaging technology
•
Superior low-light performance
•
Ultra-low-power, low-cost
•
Anti-shake support
•
One time programmable (OTP) memory for
automatic positional gain adjustments and other
uses
•
Parallel data output and serial mobile industry
processor interface (MIPI) data output
•
Integrated real-time JPEG encoder
•
Flexible support for external auto focus
•
Internal master clock generated by on-chip
phase-locked loop (PLL) oscillator
•
Electronic rolling shutter (ERS), progressive scan
•
Integrated image flow processor (IFP) for single-die
camera module
•
Automatic image correction and enhancement
•
Selectable output data format: YCbCr, 565RGB,
555RGB, 444RGB, JPEG 4:2:2, processed Bayer,
RAW8- and RAW10-bit
•
Output FIFO for data rate equalization
•
Programmable
I
/O
slew
rate
•
Xenon and LED flash support with fast exposure
adaptation
•
Configurable gamma correction based on scene
brightness
•
Arbitrary image scaling with anti-aliasing
•
Two-wire serial interface providing access to
registers and microcontroller memory, additional
serial interface under user control
•
Includes internal VCM driver and access to internal
A/D converter
Applications
•
Cellular phones
•
PC
cameras
•
PDAs
Ordering Information
Table 1:
Key Performance Parameters
Parameter
Value
Optical format
1/4-inch
Full resolution
2592 x 1944 pixels
Pixel size
1.4
μ
m x 1.4
μ
m
Dynamic range
62 dB
SNR MAX
35.2 dB
Responsivity
0.68 V/lux-sec
Chief ray angle
25.11° MAX at 80% image height
Color filter array
RGB Bayer pattern
Active pixel array area
3.62 mm x 2.72 mm
Shutter type
Electronic rolling shutter (ERS) and
Global reset release (GRR)
Input clock frequency
10
−
48 MHz
Maximum frame rate
15 fps at full resolution (JPEG),
30 fps in preview mode (VGA bin2
skip2)
Maximum pixel data
output
MIPI: 768 Mb/s MAX
Parallel: 96Mp/s
Maximum pixel clock
frequency
96 MHz
Supply voltage
Analog
2.5
−
3.1 V
Digital
1.7
−
1.95 V
I/O
1.7-1.9 V or 2.5–3.1 V
PLL
2.5
−
3.1 V
MIPI
2.5–3.1 V
ADC resolution
12-bit, on-die
Power consumption
550 mW at 30 fps, 1280 x 720 video
mode
401 mW at 30 fps, HP preview mode
230 mW at 23 fps, preview LP mode
Current consumption
10
μ
A, shutdown, at +70°C
Operating temperature
(at junction)
–30°C to +70°C
©2008 Aptina Imaging Corporation All rights reserved.
1/4-Inch 5Mp System-On-A-Chip (SOC) CMOS
Digital Image Sensor
MT9P111 Data Sheet
For the latest data sheet, refer to Aptina’s Web site:
Features
•
DigitalClarity
®
CMOS imaging technology
•
Superior low-light performance
•
Ultra-low-power, low-cost
•
Anti-shake support
•
One time programmable (OTP) memory for
automatic positional gain adjustments and other
uses
•
Parallel data output and serial mobile industry
processor interface (MIPI) data output
•
Integrated real-time JPEG encoder
•
Flexible support for external auto focus
•
Internal master clock generated by on-chip
phase-locked loop (PLL) oscillator
•
Electronic rolling shutter (ERS), progressive scan
•
Integrated image flow processor (IFP) for single-die
camera module
•
Automatic image correction and enhancement
•
Selectable output data format: YCbCr, 565RGB,
555RGB, 444RGB, JPEG 4:2:2, processed Bayer,
RAW8- and RAW10-bit
•
Output FIFO for data rate equalization
•
Programmable
I
/O
slew
rate
•
Xenon and LED flash support with fast exposure
adaptation
•
Configurable gamma correction based on scene
brightness
•
Arbitrary image scaling with anti-aliasing
•
Two-wire serial interface providing access to
registers and microcontroller memory, additional
serial interface under user control
•
Includes internal VCM driver and access to internal
A/D converter
Applications
•
Cellular phones
•
PC
cameras
•
PDAs
Ordering Information
Table 1:
Key Performance Parameters
Parameter
Value
Optical format
1/4-inch
Full resolution
2592 x 1944 pixels
Pixel size
1.4
μ
m x 1.4
μ
m
Dynamic range
62 dB
SNR MAX
35.2 dB
Responsivity
0.68 V/lux-sec
Chief ray angle
25.11° MAX at 80% image height
Color filter array
RGB Bayer pattern
Active pixel array area
3.62 mm x 2.72 mm
Shutter type
Electronic rolling shutter (ERS) and
Global reset release (GRR)
Input clock frequency
10
−
48 MHz
Maximum frame rate
15 fps at full resolution (JPEG),
30 fps in preview mode (VGA bin2
skip2)
Maximum pixel data
output
MIPI: 768 Mb/s MAX
Parallel: 96Mp/s
Maximum pixel clock
frequency
96 MHz
Supply voltage
Analog
2.5
−
3.1 V
Digital
1.7
−
1.95 V
I/O
1.7-1.9 V or 2.5–3.1 V
PLL
2.5
−
3.1 V
MIPI
2.5–3.1 V
ADC resolution
12-bit, on-die
Power consumption
550 mW at 30 fps, 1280 x 720 video
mode
401 mW at 30 fps, HP preview mode
230 mW at 23 fps, preview LP mode
Current consumption
10
μ
A, shutdown, at +70°C
Operating temperature
(at junction)
–30°C to +70°C