SAM9X35 Atmel Corporation, SAM9X35 Datasheet - Page 599
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SAM9X35
Manufacturer Part Number
SAM9X35
Description
Manufacturer
Atmel Corporation
Datasheets
1.SAM9261.pdf
(248 pages)
2.SAM9X25.pdf
(45 pages)
3.SAM9X25.pdf
(1145 pages)
4.SAM9X25.pdf
(45 pages)
5.SAM9X25.pdf
(1325 pages)
Specifications of SAM9X35
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
7
Can
2
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
DDR/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
- SAM9X25 PDF datasheet #2
- SAM9X25 PDF datasheet #3
- SAM9X25 PDF datasheet #4
- SAM9X25 PDF datasheet #5
- Current page: 599 of 1145
- Download datasheet (26Mb)
DMA Channel Control Command Summary
• END_TR_EN: End of Transfer Enable (Control)
Used for OUT transfers only.
0 = USB end of transfer is ignored.
1 = UDPHS device can put an end to the current buffer transfer.
When set, a BULK or INTERRUPT short packet or the last packet of an ISOCHRONOUS (micro) frame (DATAX) will close
the current buffer and the UDPHS_DMASTATUSx register END_TR_ST flag will be raised.
This is intended for UDPHS non-prenegotiated end of transfer (BULK or INTERRUPT) or ISOCHRONOUS microframe
data buffer closure.
• END_B_EN: End of Buffer Enable (Control)
0 = DMA Buffer End has no impact on USB packet transfer.
1 = endpoint can validate the packet (according to the values programmed in the UDPHS_EPTCTLx register AUTO_VALID
and SHRT_PCKT fields) at DMA Buffer End, i.e. when the UDPHS_DMASTATUS register BUFF_COUNT reaches 0.
This is mainly for short packet IN validation initiated by the DMA reaching end of buffer, but could be used for OUT packet
truncation (discarding of unwanted packet data) at the end of DMA buffer.
• END_TR_IT: End of Transfer Interrupt Enable
0 = UDPHS device initiated buffer transfer completion will not trigger any interrupt at UDPHS_STATUSx/END_TR_ST
rising.
1 = an interrupt is sent after the buffer transfer is complete, if the UDPHS device has ended the buffer transfer.
Use when the receive size is unknown.
• END_BUFFIT: End of Buffer Interrupt Enable
0 = UDPHS_DMA_STATUSx/END_BF_ST rising will not trigger any interrupt.
1 = an interrupt is generated when the UDPHS_DMASTATUSx register BUFF_COUNT reaches zero.
• DESC_LD_IT: Descriptor Loaded Interrupt Enable
0 = UDPHS_DMASTATUSx/DESC_LDST rising will not trigger any interrupt.
1 = an interrupt is generated when a descriptor has been loaded from the bus.
• BURST_LCK: Burst Lock Enable
0 = the DMA never locks bus access.
1 = USB packets AHB data bursts are locked for maximum optimization of the bus bandwidth usage and maximization of
fly-by AHB burst duration.
11054A–ATARM–27-Jul-11
11054A–ATARM–27-Jul-11
LDNXT_DSC
0
0
1
1
CHANN_ENB
0
1
0
1
Description
Stop now
Run and stop at end of buffer
Load next descriptor now
Run and link at end of buffer
SAM9X25
SAM9X25
599
599
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