SAM9G20 Atmel Corporation, SAM9G20 Datasheet - Page 553
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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
- SAM9261 PDF datasheet
- SAM9261 PDF datasheet #2
- SAM9261 PDF datasheet #3
- SAM9G20 PDF datasheet #4
- SAM9G20 PDF datasheet #5
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Figure 33-12. Data OUT Followed by Status IN Transfer
Note:
Figure 33-13. Autovalid with DMA
Note:
11053B–ATARM–22-Sep-11
11053B–ATARM–22-Sep-11
Before proceeding to the status stage, the software should determine that there is no risk of extra data from the host (data
stage). If not certain (non-predictable data stage length), then the software should wait for a NAK-IN interrupt before proceeding
to the status stage. This precaution should be taken to avoid collision in the FIFO.
In the illustration above Autovalid validates a bank as full, although this might not be the case, in order to continue processing
data and to send to DMA.
Bank (system)
Write
Bank (usb)
Virtual TX_PK_RDY Bank 0
Virtual TX_PK_RDY Bank 1
TX_PK_RDY
(Virtual 0 & Virtual 1)
USB Bus
Packets
RX_BK_RDY
(UDPHS_EPTSTAx)
TX_PK_RDY
(UDPHS_EPTSTAx)
Bank 1
Bank 0
write bank 0
Bank 0
Token OUT
Host Sends the Last
Data Payload to the Device
bank 0 is full
Set by Hardware
write bank 1
Bank 1
Data OUT
Set by Firmware
Bank 0
bank 1 is full
Interrupt Pending
ACK
IN data 0
Bank 0
Token IN
Device Sends a Status IN
to the Host
Cleared by Firmware
write bank 0
bank 0 is full
Bank 1
Data IN
IN data 1
Bank 1
ACK
Bank 0
Clear by Hardware
IN data 0
SAM9G35
SAM9G35
Bank 1
553
553
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