TMPA901CMXBG Toshiba, TMPA901CMXBG Datasheet - Page 641

• Manufacturer Part Number: TMPA901CMXBG
• Description: Microcontrollers (MCU) 32-bit RISC MCU 16kb ARM926EJ 16kb 200Mhz
• Manufacturer: Toshiba

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

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 image point.
2) Sampling correction function
In the scaler function, scaling up/down at a magnification of 256/(n
The scaling up method, set with the equation above, creates fractions of decimal
Therefore, the accumulated errors in the whole image 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 3.19.7 Offset function
TMPA901CM- 640
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
TMPA901CM
m) is possible
2010-07-29