TMPA901CMXBG Toshiba, TMPA901CMXBG Datasheet - Page 643
TMPA901CMXBG
Manufacturer Part Number
TMPA901CMXBG
Description
Microcontrollers (MCU) 32-bit RISC MCU 16kb ARM926EJ 16kb 200Mhz
Manufacturer
Toshiba
Datasheet
1.TMPA901CMXBG.pdf
(858 pages)
Specifications of TMPA901CMXBG
Product Summaries
Summary
Lead Free
Yes
Rohs Compatible Product(s)
Available
Rom (kbytes)
-
Rom Type
ROMless
Ram (kbytes)
32
Number Of Pins
177
Package
BGA
Vcc
3V
Tft Lcd Controller
Y
Touchscreen Controller
Y
Usb Host Fs With Phy
Y
Usb Device Hs With Phy
Y
Sd Host Controller
-
Cmos Image Sensor Interface
-
I2s
1
Ssp (ch) Spi
1
I2mc/sio (ch)
1
Uart/sio (ch)
2
External Bus Interface
Y
Cs/wait Controller (ch)
4
Dma Controller
8
10-bit Ad Converter
4
12-bit Da Converter
-
16-bit Timer / Counter
6
Real Time Clock
Y
Watchdog Timer
Y
Osc Freq Detect
Y
Low-power Modes
Y
Lead Free Status / Rohs Status
Details
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Manufacturer
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Price
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Scaling up processing examples
same sampling cycle (127 = 0x7F) for Examples 1 and 2.
--------------------------------------------
including correction processing:
Sampling cycles are specified in integers by dropping the fractional portion. This results in the
When data is sampled at every 127 pixels, sampling points occur as shown below.
Example 1 sampling point
First point:
Second point:
Third point:
254th point:
255th point:
256th point:
The following describes the examples of how to establish the setting for scaling up processing
Example 2: For scaling up 128 pixels to 255 pixels
image.
Therefore, the pixels after 32385 are not used and discarded.
Example 1: For scaling up 128 pixels to 256 pixels
Number of original pixels in the X direction: OX pixel
Number of after-scaled-up pixels in the X direction: GX pixel
(Sampling cycle)
In Example 1, the 256th sampling point is 32512, which is the last pixel of the original
Since Example 2 uses the same sampling cycle, the 255th sampling point is 32385.
=
=
=
=
= (Maximum number of interpolatable pixels) / (Number of after-scaled-up pixels)
= {(OX 1)
(127
(32512)
127
(127
(32512)
127.49...
0
127
254
32258
32385
32512
256)
256)
256}
256
255
256
255
GX
TMPA901CM- 642
TMPA901CM
2010-07-29
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