MT9V032C12STM Aptina LLC, MT9V032C12STM Datasheet - Page 12
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MT9V032C12STM
Manufacturer Part Number
MT9V032C12STM
Description
SENSOR IMAGE VGA MONO CMOS 48LCC
Manufacturer
Aptina LLC
Series
DigitalClarity®, Micron®r
Type
CMOS Imagingr
Datasheet
1.MT9V032C12STM.pdf
(13 pages)
Specifications of MT9V032C12STM
Pixel Size
6µm x 6µm
Active Pixel Array
752H x 480V
Frames Per Second
60
Voltage - Supply
3.3V
Package / Case
48-CLCC
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
557-1306
Q3986409A
Q4106028
Q3986409A
Q4106028
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Broadcast and Individual Writes for Stereoscopic Topology
Figure 8:
PDF: 09005aef824c9998/Source: 09005aef824c999c
MT9V032_LDS_2.fm - Rev. B 3/07 EN
Two-Wire Serial Interface Configuration in Stereoscopic Mode
In stereoscopic mode, the two sensors are required to run in lockstep. This implies that
control logic in each sensor is in exactly the same state as its pair on every clock. To
ensure this, all inputs that affect control logic must be identical and arrive at the same
time at each sensor.
These inputs include:
• system clock
• system reset
• two-wire serial interface clk - SCL
• two-wire serial interface data - SDA
The setup in Figure 8 shows how the two sensors can maintain lockstep when their
configuration registers are written through the two-wire serial interface. A WRITE to
configuration registers would either be broadcast (simultaneous WRITES to both
sensors) or individual (WRITE to just one sensor at a time). READs from configuration
registers would be individual (READs from just one sensor at a time).
One of the two serial interface slave address bits of the sensor is hardwired. The other is
controlled by the host. This allows the host to perform either a broadcast or a one-to-
one access.
Broadcast WRITES are performed by setting the same S_CTRL_ADR input bit for both
slave and master sensor. Individual WRITES are performed by setting opposite
S_CTRL_ADR input bit for both slave and master sensor. Similarly, individual READs are
performed by setting opposite S_CTRL_ADR input bit for both slave and master sensor.
26.6 MHz
Osc.
All system clock lengths (L) must be equal.
SCL and SDA lengths to each sensor (from the host) must also be equal.
HOST
L
CLK
MT9V032: 1/3-Inch Wide-VGA Digital Image Sensor
SCL
SDA
L
S_CTRL_ADR[0]
SCL
12
SENSOR
SLAVE
Host launches SCL and SDA on positive
edge of SYSCLK.
SDA
L
Micron Technology, Inc., reserves the right to change products or specifications without notice.
CLK
Appendix A – Serial Configurations
S_CTRL_ADR[0]
SCL
MASTER
SENSOR
©2006 Micron Technology, Inc. All rights reserved.
SDA
CLK
Preliminary
‡