SAM9G10 Atmel Corporation, SAM9G10 Datasheet - Page 496
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SAM9G10
Manufacturer Part Number
SAM9G10
Description
Manufacturer
Atmel Corporation
Datasheets
1.SAM9261.pdf
(1274 pages)
2.SAM9261.pdf
(43 pages)
3.SAM9G10.pdf
(750 pages)
4.SAM9G10.pdf
(39 pages)
Specifications of SAM9G10
Flash (kbytes)
0 Kbytes
Pin Count
217
Max. Operating Frequency
266 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)
1
Uart
4
Ssc
3
Sd / Emmc
1
Graphic Lcd
Yes
Video Decoder
No
Camera Interface
No
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)
1.08 to 1.32
Fpu
No
Mpu / Mmu
No/Yes
Timers
3
Output Compare Channels
3
Input Capture Channels
3
32khz Rtc
Yes
Calibrated Rc Oscillator
No
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Figure 31-12. DMAC Transfer Flow for Replay Mode at Source and Linked List Destination Address
496
496
Multi-buffer Transfer with Source Address Auto-reloaded and Contiguous Destination Address (Row 11)
SAM9G35
SAM9G35
HDMA Transfer Complete
interrupt generated here
1. Read the Channel Enable register to choose a free (disabled) channel.
2. Clear any pending interrupts on the channel from the previous DMAC transfer by read-
3. Program the following channel registers:
ing to the Interrupt Status Register.
a. Write the starting source address in the DMAC_SADDRx register for channel x.
b. Write the starting destination address in the DMAC_DADDRx register for
c. Program DMAC_CTRLAx, DMAC_CTRLBx and DMAC_CFGx according to Row
d. Write the control information for the DMAC transfer in the DMAC_CTRLBx and
– i. Set up the transfer type (memory or non-memory peripheral for source and
destination) and flow control device by programming the FC of the DMAC_CTRLBx
register.
channel x.
11 as shown in
‘0’. DMAC_CTRLBx.AUTO field is set to ‘1’ to enable automatic mode support.
DMAC_CTRLAx register for channel x. For example, in this register, you can pro-
gram the following:
Buffer Complete interrupt
generated here
Channel Disabled by
hardware
Table 31-3 on page
yes
DADDRx, CTRLAx, CTRLBx, DSCRx
HDMA State Machine Table?
status information in LLI
Hardware reprograms
Writeback of control
Channel Enabled by
DMA buffer transfer
Reload SADDRx
Is HDMA in
483. Program the DMAC_DSCRx register with
LLI Fetch
Row1 of
software
no
11053B–ATARM–22-Sep-11
11053B–ATARM–22-Sep-11
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