SC20MPC: 2 Mega Pixels Serial JPEG Camera User Manual
Spinel USA LLC
www.jpegcamera.com
3
OPTICAL
CHARACTERISTICS
Item
Parameter
Image Sensor
1/4” CMOS, OV5640
Pixel Size
5.6um*5.6um
Shutter Type
Electronic Rolling Shutter
SNR max
45DB
Dynamic Range
60DB
Maximum Frame Rate
1600x1200@15fps
White Balance
Automatic
Exposure
Automatic, self-regulating
Lens viewing angle (6 options) 60 degree (default), 8, 15, 30, 45, 90, 120 and 150 degree optional
Focal Length
3.6mm(default), 1.7mm, 2.8mm, 6mm, 8mm, 12mm, 16mm, 24mm
optional
IR-cut filter
650nm(default for true color), 850nm and 940nm optional
IR-cut filter switch (ICR)
Default not available, can customized automatic IR-cut filter switch
with spinel supplied IR illuminator
Sensitivity
1250mV/Lux-sec
Command Protocol (HEX format data)
1. RESET
The host can reset the camera by issuing this command:
56 00 26 00
Receiving ACK command
0D 0A 49 6E 69 74 20 65 6E 64 0D 0A
2. GET IMAGE
The host issues this command to capture an image from camera.
56 00 36 01 00
Receiving ACK command
76 00 36 00 00
3. READ IMAGE DATA LENGTH
56 00 34 01 00
Receiving ACK command
76 00 34 00 04 00
00
XH XL
XH XL is the image date length, XH
---
high byte, XL
---
low byte.
4.
READ IMAGE DATE
Send:
56 00 32 0C 00
0A
00
00 MH ML
00
00
KH KL
00 0A
Receiving ACK command
76 00 32 00 00
FF D8
。
。
。
。
。
。
FF D9
76 00 32 00 00
00 00 MH ML
is the starting a
ddress
, it must be the multiple of 8, for instance 00 00
.
00 00 KH KL
is the image data length, lower bytes follow the higher bytes.
5. STOP CAPTURE