SAM9G20 Atmel Corporation, SAM9G20 Datasheet - Page 22
SAM9G20
Manufacturer Part Number
SAM9G20
Description
Manufacturer
Atmel Corporation
Datasheets
1.SAM9261.pdf
(248 pages)
2.SAM9261.pdf
(1274 pages)
3.SAM9261.pdf
(43 pages)
4.SAM9G20.pdf
(42 pages)
5.SAM9G20.pdf
(832 pages)
Specifications of SAM9G20
Flash (kbytes)
0 Kbytes
Pin Count
217
Max. Operating Frequency
400 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
7
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)
95
Resistive Touch Screen
No
Temp. Sensor
No
Crypto Engine
No
Sram (kbytes)
32
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)
0.9 to 1.1
Fpu
No
Mpu / Mmu
No/Yes
Timers
6
Output Compare Channels
6
Input Capture Channels
6
32khz Rtc
Yes
Calibrated Rc Oscillator
No
6.8
22
DMA Controller 0
SAM9G35
The DMA controller can handle the transfer between peripherals and memory and so receives
the triggers from the peripherals below. The hardware interface numbers are also given in
6-4.
Table 6-4.
Instance name
HSMCI0
SPI0
SPI0
USART0
USART0
USART1
USART1
TWI0
TWI0
TWI2
TWI2
UART0
UART0
SSC
SSC
• Two Masters
• Embeds 8 channels
• 64-byte FIFO for channel 0, 16-byte FIFO for Channel 1 to 7
• features:
– Linked List support with Status Write Back operation at End of Transfer
– Word, HalfWord, Byte transfer support.
– memory to memory transfer
– Peripheral to memory
– Memory to peripheral
DMA Channel Definition
T/R
RX/TX
TX
RX
TX
RX
TX
RX
TX
RX
TX
RX
TX
RX
TX
RX
10
13
DMA Channel HW
interface Number
0
1
2
3
4
5
6
7
8
9
11
12
14
11053AS–ATARM–27-Jul-11
Table