BMSKTOPASA900(DCE) Toshiba, BMSKTOPASA900(DCE) Datasheet - Page 707

• Manufacturer Part Number: BMSKTOPASA900(DCE)
• Description: KIT STARTER TMPA900 USB JTAG
• Manufacturer: Toshiba
• Series: TOPASr
• Type: MCUr

Specifications of BMSKTOPASA900(DCE)

• Contents: Evaluation Board, Cable(s), Software and Documentation
• For Use With/related Products: TMPA900CMXBG
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Sampling point that
LCDDA selects
Original pixel
Point that LCDDA is
possible to sampling
to the number of original pixels (n = 1 to 255, m = 1 to 16).
places, which creates an error because the actual sampling point is set with integer.
appropriate point.
offset to the first sampling point in the X direction; and the “period correction
function,” when a set sampling point comes to a certain point, the point is corrected to
the original picture point.
2) Sampling correction function
In the scaler function, scaling up/down at a magnification of 256/(n × m) is possible
The scaling up method, set with the equation above, creates fractions of decimal
Therefore, the accumulated errors in the whole picture need to be corrected at an
This circuit supports the two correction functions: The “offset function” adds an
When offset function OFF
When offset function ON
Point
Start
Point
Start
Figure 3.20.7 Offset function
TENTATIVE
TMPA900CM- 706
Offset value
The first sampling point is the first
pixel of the original pixels (0, 0).
nPoint
The first sampling point is the fifth pixel
including the interpolation data (4,0).
nPoint
nPoint
nPoint
nPoint
nPoint
TMPA900CM
2009-10-14