mt9v032 aptina, mt9v032 Datasheet - Page 71

• Manufacturer Part Number: mt9v032
• Description: 1/3-inch Wide-vga Cmos Digital Image Sensor
• Manufacturer: aptina

Appendix B – Power-On Reset and Standby Timing
Reset, Clocks, and Standby
Figure 49:
V
Two-Wire Serial I/F
PDF: 6538045704/Source:2194051501
MT9V022_DS - Rev. C 9/10 EN
V
DD ,
AA ,
MIN 10 SYSCLK cycles
SCLK
DATA OUTPUT
STANDBY
V
VAAPIX
D
DD
OUT
SYSCLK
RESET #
,
LVDS,
S
DATA
[9:0]
Power
up
Driven = 0
Power-up, Reset, Clock and Standby Sequence
Notes:
MIN 20 SYSCLK cycles
Active
There are no constraints concerning the order in which the various power supplies are
applied; however, the MT9V032 requires reset in order operate properly at power-up.
Refer to Figure 49 for the power-up, reset, and standby sequences.
1. All output signals are defined during initial power-up with RESET# held LOW without SYSCLK being
2. Before using two-wire serial interface, wait for 10 SYSCLK rising edges after RESET# is de-asserted.
3. Once the sensor detects that STANDBY has been asserted, it completes the current frame readout before
4. In standby, all video data and synchronization output signals are High-Z.
5. In standby, the two-wire serial interface is not active.
non-Low-Power
active. To properly reset the rest of the sensor, during initial power-up, assert RESET# (set to LOW state)
for at least 750ns after all power supplies have stabilized and SYSCLK is active (being clocked). Driving
RESET# to LOW state does not put the part in a low power state.
entering standby mode. The user must supply enough SYSCLKs to allow a complete frame readout. See
Table 4, “Frame Time,” on page 14 for more information.
Pre-Standby
Note 3
STANDBY = 1
respond to
Does not
interface
serial
when
D
OUT
72
MIN 10 SYSCLK cycles
Low-Power
Standby
[9:0]
MT9V032: 1/3-Inch Wide-VGA Digital Image Sensor
Appendix B – Power-On Reset and Standby Timing
Wake
up
Aptina eserves the right to change products or specifications without notice.
non-Low-Power
MIN 10 SYSCLK cycles
©2005 Aptina Imaging Corporation All rights reserved.
Active
Power
down