SAM9XE128 Atmel Corporation, SAM9XE128 Datasheet - Page 754
SAM9XE128
Manufacturer Part Number
SAM9XE128
Description
Manufacturer
Atmel Corporation
Datasheets
1.SAM9260.pdf
(290 pages)
2.SAM9261.pdf
(248 pages)
3.SAM9XE128.pdf
(860 pages)
4.SAM9XE128.pdf
(48 pages)
Specifications of SAM9XE128
Flash (kbytes)
128 Kbytes
Pin Count
217
Max. Operating Frequency
180 MHz
Cpu
ARM926
Hardware Qtouch Acquisition
No
Max I/o Pins
96
Ext Interrupts
96
Usb Transceiver
3
Usb Speed
Full Speed
Usb Interface
Host, Device
Spi
2
Twi (i2c)
2
Uart
6
Ssc
1
Ethernet
1
Sd / Emmc
1
Graphic Lcd
No
Video Decoder
No
Camera Interface
Yes
Adc Channels
4
Adc Resolution (bits)
10
Adc Speed (ksps)
312
Resistive Touch Screen
No
Temp. Sensor
No
Crypto Engine
No
Sram (kbytes)
16
Self Program Memory
NO
External Bus Interface
1
Dram Memory
sdram
Nand Interface
Yes
Picopower
No
Temp. Range (deg C)
-40 to 85
I/o Supply Class
1.8/3.3
Operating Voltage (vcc)
1.65 to 1.95
Fpu
No
Mpu / Mmu
No / Yes
Timers
6
Output Compare Channels
6
Input Capture Channels
6
32khz Rtc
Yes
Calibrated Rc Oscillator
No
- SAM9260 PDF datasheet
- SAM9261 PDF datasheet #2
- SAM9XE128 PDF datasheet #3
- SAM9XE128 PDF datasheet #4
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41.3.4
41.3.4.1
Table 41-6.
Table 41-7.
754
Dec value
Dec Factor
OUTPUT
VGA
640*480
QVGA
320*240
CIF
352*288
QCIF
176*144
AT91SAM9XE128/256/512 Preliminary
Preview Path
Scaling, Decimation (Subsampling)
Decimation Factor
Decimation and Scaler Offset Values
INPUT
0->15
X
F
F
F
F
This module resizes captured 8-bit color sensor images to fit the LCD display format. The resize
module performs only downscaling. The same ratio is applied for both horizontal and vertical
resize, then a fractional decimation algorithm is applied.
The decimation factor is a multiple of 1/16 and values 0 to 15 are forbidden.
Example:
Input 1280*1024 Output=640*480
Hratio = 1280/640 =2
Vratio = 1024/480 =2.1333
The decimation factor is 2 so 32/16.
16
1
352*288
NA
16
16
16
17
1.063
640*480
16
32
26
53
18
1.125
19
1.188
800*600
20
40
33
66
...
...
1280*1024
113
32
64
56
124
7.750
125
7.813
1600*1200
133
40
80
66
126
7.875
6254C–ATARM–22-Jan-10
2048*1536
102
170
127
7.938
51
85
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