CYII5SC1300AA-QDC Cypress Semiconductor Corp, CYII5SC1300AA-QDC Datasheet - Page 11

• Manufacturer Part Number: CYII5SC1300AA-QDC
• Description: IC SENSOR IMMAGE COLOR 84-LCC
• Manufacturer: Cypress Semiconductor Corp
• Type: CMOS Imagingr

Specifications of CYII5SC1300AA-QDC

• Pixel Size: 6.7µm x 6.7µm
• Active Pixel Array: 1280H x 1024V
• Frames Per Second: 27
• Voltage - Supply: 3 V ~ 4.5 V
• Package / Case: 84-LCC
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

X-Addressing
Because of the high pixel rate, the X-shift register selects two
columns at a time for readout, so it runs at half the system clock
speed. All even columns are connected to bus A; all odd columns
to bus B. In the output amplifier, bus A and bus B are combined
into one stream of pixel data at system clock speed.
At the end of the row blanking time, the X_SYNC switch is closed
while all other switches are open and the decoder output is fed
to the register. The decoder loads a logical one in one of the
registers and a logical zero in the rest. This defines the starting
point of the window in the X direction. As soon as the X_SYNC
signal is released, the register starts shifting from the start
position.
When no sub-sampling is required, X_SUB is inactive. The
pointer in the shift-register moves one bit at a time.
When sub-sampling is enabled, X_SUB is activated. The shift
register moves two bits at a time. Taking into account that every
register selects two columns, hence two pixels sub-sampling
results in the pattern ’XXOOXXOO’ when eight pixels are
considered. Suppose the columns are numbered from left to right
starting with 0 (zero) and sub-sampling is enabled:
Figure 9. Column Structure
If columns 1 and 2, 5 and 6, 9 and 10 … are swapped using the
SWAP_12 switches, a normal sub-sampling pattern of
’XOXOXOXO’ is obtained.
If columns 3 and 4, 7 and 8, 11 and 12 … are swapped using the
SWAP_30 switches, the pattern is ’OXOXOXOX’.
If both the SWAP_12 and SWAP_30 switches are closed, pattern
’OOXXOOXX’ is obtained.
Document #: 38-05710 Rev. *H
SYS_CLOCK
X_SYNC
X_SUB
X_SWAP30
X_SWAP12
BUS_A
BUS_B
1/2
Reg(n)
A
COL(i)
B
DEC(n+1)
Reg(n+1)
COL(i+1)
A
COL(i+2)
B
DEC(n+2)
Reg(n+2)
COL(i+3)
A
B
Column
amplifiers
Output
amplifier
Figure 10. Row Structure
Because every register addresses two columns at a time, the
addressable pixels range in sub-sample mode is from zero to half
the maximum number of pixels in a row (only even values). For
instance: 0, 2, 4, 6, 8… 638.
Table 11. X–Sub-sampling Patterns
Y-addressing
For symmetry reasons, the sub-sampling modes in the
Y-direction are the same as in X-direction.
Table 12. Y–Sub-Sampling Patterns
In normal mode, the pointer for the pixel row is shifted one at a
time.
When sub-sampling is enabled, Y_SYNC is activated. The
Y-shift register shifts 2 succeeding bits and skips the 2 next bits.
This results in pattern ’XXOOXXOO’.
Activating Y_SWAP12 results in pattern ’XOXOXOXO’.
Activating Y_SWAP30 results in pattern ’OXOXOXOX’.
Activating both Y_SWAP12 and Y_SWAP30 results in pattern
’OOXXOOXX’.
The addressable pixel range when Y-sub sampling is enabled is:
0–1, 4–5, 8–9, 12–13, … 1020–1021
DEC(n+1)
DEC(n+2)
DEC(n+3)
DEC(n+4)
X_SUB
Y_SUB
0
1
1
1
1
0
1
1
1
1
Y_SYNC Y_SUB
X_SWAP12 X_SWAP30 Sub-Sample Pattern
Y_SWAP12 Y_SWAP30 Sub-Sample Pattern
0
0
1
0
1
0
0
1
0
1
Reg(n+1)
Reg(n+2)
Reg(n+3)
Reg(n+4)
Reg(n)
Y_SWAP12
0
0
0
1
1
0
0
0
1
1
CYII5SM1300AB
Y_SWAP30
XXOOXXOO
XOXOXOXO
OXOXOXOX
OOXXOOXX
XXOOXXOO
XOXOXOXO
OXOXOXOX
OOXXOOXX
SRH
SRH
SRH
SRH
XXXXXXXX
XXXXXXXX
Page 11 of 35
ROW(n+1)
ROW(n+2)
ROW(n+3)
ROW(n+4)
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