SAM9G15 Atmel Corporation, SAM9G15 Datasheet - Page 962
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SAM9G15
Manufacturer Part Number
SAM9G15
Description
Manufacturer
Atmel Corporation
Datasheets
1.SAM9261.pdf
(248 pages)
2.SAM9261.pdf
(1274 pages)
3.SAM9261.pdf
(43 pages)
4.SAM9G15.pdf
(1211 pages)
5.SAM9G15.pdf
(45 pages)
Specifications of SAM9G15
Flash (kbytes)
0 Kbytes
Pin Count
217
Max. Operating Frequency
400 MHz
Cpu
ARM926
Hardware Qtouch Acquisition
No
Max I/o Pins
105
Ext Interrupts
105
Usb Transceiver
3
Usb Speed
Hi-Speed
Usb Interface
Host, Device
Spi
2
Twi (i2c)
3
Uart
6
Lin
4
Ssc
1
Sd / Emmc
2
Graphic Lcd
Yes
Video Decoder
No
Camera Interface
No
Adc Channels
12
Adc Resolution (bits)
10
Adc Speed (ksps)
440
Resistive Touch Screen
Yes
Temp. Sensor
No
Crypto Engine
No
Sram (kbytes)
32
Self Program Memory
NO
External Bus Interface
1
Dram Memory
DDR2/LPDDR, SDRAM/LPSDR
Nand Interface
Yes
Picopower
No
Temp. Range (deg C)
-40 to 85
I/o Supply Class
1.8/3.3
Operating Voltage (vcc)
0.9 to 1.1
Fpu
No
Mpu / Mmu
No/Yes
Timers
6
Output Compare Channels
6
Input Capture Channels
6
Pwm Channels
4
32khz Rtc
Yes
Calibrated Rc Oscillator
No
- SAM9261 PDF datasheet
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- SAM9261 PDF datasheet #3
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- SAM9G15 PDF datasheet #5
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43.7.7
962
SAM9G15
Sequence and Noise Filtering
Figure 43-9. Touchscreen Switches Implementation
The ADC Controller can manage ADC conversions and Touchscreen measurement. On each
trigger event the sequence of ADC conversions is performed as described in
”Sleep Mode and Conversion
fied in number of trigger events by writing the TSFREQ parameter in the “ADC Touchscreen
Mode Register”. An internal counter counts triggers up to TSFREQ, and every time it rolls out, a
Touchscreen sequence is appended to the classic ADC conversion sequence (see
10).
Additionally the user can average multiple Touchscreen measures by writing the TSAV parame-
ter in the “ADC Touchscreen Mode Register”. This can be 1, 2, 4 or 8 measures performed on
consecutive triggers as illustrated in
ter must be greater or equal to the TSAV parameter.
L
U
L
L
VDDANA for Xpos
SENSE
GND for Ypos
L
VDDANA
U
U
R
L
R
L
L
Sequencer”. The Touchscreen measure frequency can be speci-
Figure 43-10
VDDANA
VDDANA
VDDANA
GND
GND
GND
bellow. Consequently, the TSFREQ parame-
0
1
2
3
4
To the ADC
U
L
R
R
Sense
VDDANA for Ypos
GND for Xpos
GND
11052C–ATARM–21-Nov-11
Section 43.6.6
Figure 43-
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