LUPA-1300_09 Datasheet, PDF (20/32 Pages) Cypress Semiconductor – 1.3MPxl High Speed CMOS Image Sensor

LUPA-1300
The Y-address has to be applied first and the X-address last.
With respect to the timing in Figure 18, A1 corresponds with
the least significant bit of the Y-address (Y0) and A16 corre-
sponds with the most significant bit of the X-address (X5). The
Y-address is a 10 bit and the X-address is a 6-bit address
register.
If the X-address register is 6-bit wide this means that 64 values
can be uploaded in this register. The X-start position however
can only be adjusted with steps of 32 so only the 40 LSB's are
accepted by the internal decoder (32 x 40=1280). The
Y-address register is 10 bit wide (1024 values), so the Y-start
address can be adjusted on a line by line basis.
Start-up
When starting the sensor the following sequence should be
followed:
1. Apply all power supplies.
2. Upload SPI register.
3. Start driving/clocking of the sensor.
One should make sure that the power supplies are completely
stable before the SPI is uploaded and the driving of the sensor
can start.
Document Number: 38-05711 Rev. *C
Page 20 of 32
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