SAM9261 Atmel Corporation, SAM9261 Datasheet - Page 574
SAM9261
Manufacturer Part Number
SAM9261
Description
Manufacturer
Atmel Corporation
Datasheets
1.SAM9260.pdf
(290 pages)
2.SAM9261.pdf
(248 pages)
3.SAM9261.pdf
(749 pages)
4.SAM9261.pdf
(44 pages)
5.SAM9261.pdf
(1274 pages)
6.SAM9261.pdf
(43 pages)
Specifications of SAM9261
Flash (kbytes)
0 Kbytes
Pin Count
217
Max. Operating Frequency
240 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)
160
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
- SAM9260 PDF datasheet
- SAM9261 PDF datasheet #2
- SAM9261 PDF datasheet #3
- SAM9261 PDF datasheet #4
- SAM9261 PDF datasheet #5
- SAM9261 PDF datasheet #6
- Current page: 574 of 749
- Download datasheet (12Mb)
36.5
574
Typical Connection
AT91SAM9261
USB Handling is done through several layers as follows:
Figure 36-4. Board Schematic to Interface UHP Device Controller
As device connection is automatically detected by the USB host port logic, a pull-down must be
connected on DP and DM on the board. Otherwise the USB host permanently detects a device
connection on this port.
A termination serial resistor must be connected to HDP and HDM. The resistor value is defined
in the electrical specification of the product (R
HDMA
HDMB
• Host controller hardware and serial engine: Transmits and receives USB data on the bus.
• Host controller driver: Drives the Host controller hardware and handles the USB protocol.
• USB Bus driver and hub driver: Handles USB commands and enumeration. Offers a
• Mini driver: Handles device specific commands.
• Class driver: Handles standard devices. This acts as a generic driver for a class of devices,
HDPA
HDPB
or
hardware independent interface.
for example the HID driver.
or
5V
R
R
EXT
EXT
10μF
15kΩ
100nF
EXT
).
0.20A
15kΩ
10nF
Type A Connector
6062N–ATARM–3-Oct-11
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