SAM9260 Atmel Corporation, SAM9260 Datasheet - Page 139
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SAM9260
Manufacturer Part Number
SAM9260
Description
Manufacturer
Atmel Corporation
Datasheets
1.M40800.pdf
(284 pages)
2.M40800.pdf
(153 pages)
3.SAM9260.pdf
(290 pages)
4.SAM9260.pdf
(802 pages)
5.SAM9260.pdf
(47 pages)
Specifications of SAM9260
Flash (kbytes)
0 Kbytes
Pin Count
217
Max. Operating Frequency
210 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)
312
Resistive Touch Screen
No
Temp. Sensor
No
Crypto Engine
No
Sram (kbytes)
8
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
Fpu
No
Mpu / Mmu
No / Yes
Timers
6
Output Compare Channels
6
Input Capture Channels
6
32khz Rtc
Yes
Calibrated Rc Oscillator
No
- M40800 PDF datasheet
- M40800 PDF datasheet #2
- SAM9260 PDF datasheet #3
- SAM9260 PDF datasheet #4
- SAM9260 PDF datasheet #5
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- Download datasheet (2Mb)
5.8.2
ARM DDI 0029G
Instructions
Communications through the DCC
The function of each register bit is as follows:
Bits 31:28
Bits 27:2
Bit 1
Bit 0
From the point of view of the debugger, the registers are accessed through scan chain 2
in the usual way. From the point of view of the processor, these registers are accessed
through coprocessor register transfer instructions.
Use the instructions listed in Table 5-1 to access the DCC registers.
Because the Thumb instruction set does not contain coprocessor instructions, you are
advised to access this data through SWI instructions when in Thumb state.
You can send and receive messages through the DCC. The following sections describe:
•
•
•
Sending a message to the debugger on page 5-18
Receiving a message from the debugger on page 5-18
Interrupt driven use of the DCC on page 5-18.
Copyright © 1994-2001. All rights reserved.
Explanation
Places the value from the DCC control register into the destination register (Rd)
Writes the value in the source register (Rn) to the DCC data write register
Returns the value in the DCC data read register into Rd
Contain a fixed pattern that denotes the EmbeddedICE version
number, in this case 0001.
Reserved.
If W is clear, the DCC data write register is ready to accept data
from the processor.
If W is set, there is data in the DCC data write register and the
debugger can scan it out.
If R is clear, the DCC data read register is free and data can be
placed there from the debugger.
If R is set, DCC data read register has data that has not been read
by the processor and the debugger must wait.
Table 5-1 DCC register access instructions
Debug Interface
5-17
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