SAM9G35 Atmel Corporation, SAM9G35 Datasheet - Page 553
SAM9G35
Manufacturer Part Number
SAM9G35
Description
Manufacturer
Atmel Corporation
Specifications of SAM9G35
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
Ethernet
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
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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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