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Electrical Interface
Table 2-2
and
Table 2-3
input and output circuitry.
NOTE Signal directions are listed relative to PL3307 decoder module.
Imager Engine Signal Descriptions
Table 2-2
Signal Name
GND
GND
I2C_CLK
I2C_DATA
VSYNC
PIX_DATA_7
PIX_DATA_6
PIX_DATA_5
PIX_DATA_4
PIX_DATA_3
PIX_DATA_2
PIX_DATA_1
PIX_DATA_0
EXT_ILLUM_EN
VCC_SENSOR
VCC
VCC_ILLUM
HSYNC
GND
PIXCLK
GND
Note: Signal directions are listed relative to the PL3307 decoder module.
list the pin functions of the imager engine and PL3307 interfaces, and illustrate typical
Description
Power supply
Power supply
Communication interface
Communication interface
Vertical sync synchronized to a
WVGA frame
Pixel data
Pixel data
Pixel data
Pixel data
Pixel data
Pixel data
Pixel data
Pixel data
Illumination enable
Power supply
Power supply
Power supply
Horizontal sync synchronized
to the rows of the image data
Power supply
Pixel clock used to synchronize
the decoder to the pixel data
Power supply
Installation and Specifications
Engine
Dir
Interface
-
1
PL3307 power supply return
-
2
PL3307 power supply return
Out
3
PL3307 I
In/
4
PL3307 I
Out
In
5
Vertical sync clock from the PL3307
In
6
Pixel data from the PL3307 (MSB)
In
7
Pixel data from the PL3307
In
8
Pixel data from the PL3307
In
9
Pixel data from the PL3307
In
10
Pixel data from the PL3307
In
11
Pixel data from the PL3307
In
12
Pixel data from the PL3307
In
13
Pixel data from the PL3307 (LSB)
In
14
Enable external illumination
-
15
Decoder provided 3.3V for PL3307
image sensor and oscillator
-
16
Decoder provided 3.3V for PL3307
logic and laser control system
-
17
Decoder provided 3.3 to 5V for
PL3307 illumination system
In
18
Horizontal sync clock from the
PL3307
-
19
PL3307 power supply return
In
20
Pixel clock returned from the
PL3307
-
21
PL3307 power supply return
2 - 9
Comments
2
C Clock
2
C Data
- Quick Links:
- Pl3307 Decoder
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