MT9P031: 1/2.5-Inch 5-Mp Digital Image Sensor
Functional Overview
Table 2:
Pin Descriptions
Name
RESET#
LLCC Pin
16
Type
Input
Description
When LOW, the MT9P031 asynchronously resets. When driven HIGH, it
resumes normal operation with all configuration registers set to factory
defaults.
EXTCLK
SCLK
OE#
31
4
17
Input
Input
Input
External input clock.
Serial clock: Pull to V DD Q with a 1.5 K Ω resistor.
When HIGH, the PIXCLK, D OUT , FRAME_VALID, LINE_VALID, and STROBE
outputs enter a High-Z. When driven LOW, normal operation resumes.
STANDBY#
14
Input
Standby: When LOW, the chip enters a low-power standby mode. It
resumes normal operation when the pin is driven HIGH.
TRIGGER
15
Input
Snapshot trigger: Used to trigger one frame of output in snapshot
modes and to indicate the end of exposure in bulb exposure modes.
S ADDR
S DATA
PIXCLK
13
5
32
Input
I/O
Output
Serial address: When HIGH, the MT9P031 responds to device ID (BA) H .
When LOW, it responds to serial device ID (90) H .
Serial data: Pull to V DD Q with a 1.5 K Ω resistor.
Pixel clock: The D OUT , FRAME_VALID, LINE_VALID, and STROBE
outputs should be captured on the falling edge of this signal.
D OUT [11:0]
33 to 45
Output
Pixel data: Pixel data is 12-bit. MSB (D OUT 11) through LSB (D OUT 0) of
each pixel, to be captured on the falling edge of PIXCLK.
FRAME_VALID
7
Output
Frame valid: Driven HIGH during active pixels and horizontal blanking
of each frame and LOW during vertical blanking.
LINE_VALID
8
Output
Line valid: Driven HIGH with active pixels of each line and LOW during
blanking periods.
STROBE
9
Output
Snapshot strobe: Driven HIGH when all pixels are exposing in
snapshot modes.
V DD
V DD Q
D GND
V AA
VAAPIX
A GND
V DD PLL
TEST
RSVD
NC
12, 7
11, 39
10, 26, 46
23, 24
1, 48
2, 22
25
3, 20, 21
6
18, 19, 27, 28, 29,
Supply
Supply
Supply
Supply
Supply
Supply
Supply
Digital supply voltage: Nominally 1.8V.
IO supply voltage: Nominally 1.8V or 2.8V.
Digital ground.
Analog supply voltage: Nominally 2.8V.
Pixel supply voltage: Nominally 2.8V, connected externally to V AA .
Analog ground.
PLL supply voltage: Nominally 2.8V, connected externally to V AA .
Tie to A GND for normal device operation (factory use only).
Tie to D GND for normal device operation (factory use only).
No connect.
30
PDF: 09005aef824c993e/Source: 09005aef824c9943
MT9P031_5100_PB_2.fm - Rev. B 8/07 EN
6
Micron Technology, Inc., reserves the right to change products or specifications without notice.
?2006 Micron Technology, Inc. All rights reserved.
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