SAM9G25 Atmel Corporation, SAM9G25 Datasheet - Page 497
SAM9G25
Manufacturer Part Number
SAM9G25
Description
Manufacturer
Atmel Corporation
Datasheets
1.SAM9261.pdf
(248 pages)
2.SAM9261.pdf
(1274 pages)
3.SAM9261.pdf
(43 pages)
4.SAM9G25.pdf
(1147 pages)
5.SAM9G25.pdf
(53 pages)
Specifications of SAM9G25
Flash (kbytes)
0 Kbytes
Pin Count
247
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
7
Lin
4
Ssc
1
Ethernet
1
Sd / Emmc
2
Graphic Lcd
No
Video Decoder
No
Camera Interface
Yes
Adc Channels
12
Adc Resolution (bits)
10
Adc Speed (ksps)
440
Resistive Touch Screen
No
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
- SAM9261 PDF datasheet #2
- SAM9261 PDF datasheet #3
- SAM9G25 PDF datasheet #4
- SAM9G25 PDF datasheet #5
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- Download datasheet (27Mb)
Figure 31-8. DMAC Transfer Flow for Source and Destination Linked List Address
11032A–ATARM–27-Jul-11
11032A–ATARM–27-Jul-11
Multi-buffer Transfer with Source Address Auto-reloaded and Destination Address Auto-reloaded (Row 10)
Buffer Complete interrupt
generated here
HDMA Transfer Complete
interrupt generated here
1. Read the Channel Enable register to choose an available (disabled) channel.
2. Clear any pending interrupts on the channel from the previous DMAC transfer by read-
ing the interrupt status register. Program the following channel registers:
SADDRx, DADDRx, CTRLA/Bx, DSCRx
Writeback of HDMA_CTRLAx
HDMA State Machine Table?
register in system memory
Hardware reprograms
DMAC buffer transfer
Channel Disabled by
Channel enabled by
Is HDMA in
LLI Fetch
hardware
Row1 of
software
yes
no
SAM9G25
SAM9G25
497
497
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