MT9T031: 1/2-Inch 3-Mp Digital Image Sensor
General Description
Table . 3:
Pin Descriptions
Pin Numbers
7
Symbol
STANDBY
Type
Input
Description
Standby: Activates (HIGH) standby mode, disables analog bias circuitry
for power saving mode.
8
10
TRIGGER
RESET#
Input
Input
Trigger: Activates (HIGH) snapshot sequence.
Reset: Activates (LOW) asynchronous reset of sensor. All registers
assume factory defaults.
13
OE#
Input
Output enable: OE# when HIGH, places outputs D OUT [9:0],
FRAME_VALID, LINE_VALID, PIXCLK, and STROBE into a tri-state
configuration.
29
46
12
45
24, 25, 26, 27, 28,
EXTCLK
SCLK
GSHT_CTL
S DATA
D OUT [9:0]
Input
Input
Input
I/O
Output
Clock in: Master clock into sensor (48 MHz maximum).
Serial clock: Clock for serial interface.
Global shutter control.
Serial data: Serial data bus, requires 1.5K Ω resistor to 3.3V for pull-up.
Data out: Pixel data output bit 0, D OUT [9] (MSB), D OUT [0] (LSB).
32, 33, 34, 35, 36
31
PIXCLK
Output
Pixel clock: Pixel data outputs are valid during falling edge of this
clock. Frequency = master clock.
39
STROBE
Output
Strobe: Output is pulsed HIGH to indicate sensor reset operation of
pixel array has completed.
40
LINE_VALID
Output
Line valid: Output is pulsed HIGH during line of selectable valid pixel
data (see R0x20 for options).
41
1
FRAME_VALID
VAAPIX
Output
Supply
Frame valid: Output is pulsed HIGH during frame of valid pixel data.
Analog pixel power: Provides power supply for pixel array, 3.3V
±0.3V.
4, 22, 37
5, 23, 38, 43
16, 20
15, 17, 18, 21, 47, 48
V DD
D GND
V AA
A GND
Supply
Supply
Supply
Supply
Digital power: Provides power supply for digital block, 3.3V ±0.3V.
Digital ground: Provides isolated ground for digital block.
Analog power: Provides power supply for analog block, 3.3V ±0.3V.
Analog ground: Provides isolated ground for analog block and pixel
array.
2, 3, 6, 9, 11,14,19,
NC
No connect: These pins must be left unconnected.
30 42, 44
PDF: 09005aef824c997f/Source: 09005aef824c998a
MT9T031_3100_PB_2.fm - Rev. A 8/06 EN
3
Micron Technology, Inc., reserves the right to change products or specifications without notice.
?2006 Micron Technology, Inc. All rights reserved.
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