SAM9263 Atmel Corporation, SAM9263 Datasheet - Page 270
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SAM9263
Manufacturer Part Number
SAM9263
Description
Manufacturer
Atmel Corporation
Datasheets
1.M40800.pdf
(284 pages)
2.M40800.pdf
(153 pages)
3.SAM9260.pdf
(290 pages)
4.SAM9261.pdf
(248 pages)
5.SAM9263.pdf
(1109 pages)
6.SAM9263.pdf
(51 pages)
Specifications of SAM9263
Flash (kbytes)
0 Kbytes
Pin Count
324
Max. Operating Frequency
240 MHz
Cpu
ARM926
Hardware Qtouch Acquisition
No
Max I/o Pins
160
Ext Interrupts
160
Usb Transceiver
3
Usb Speed
Full Speed
Usb Interface
Host, Device
Spi
2
Twi (i2c)
1
Uart
4
Can
1
Ssc
2
Ethernet
1
Sd / Emmc
2
Graphic Lcd
Yes
Video Decoder
No
Camera Interface
Yes
Resistive Touch Screen
No
Temp. Sensor
No
Crypto Engine
No
Sram (kbytes)
96
Self Program Memory
NO
External Bus Interface
2
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
3
Output Compare Channels
3
Input Capture Channels
3
Pwm Channels
4
32khz Rtc
Yes
Calibrated Rc Oscillator
No
- M40800 PDF datasheet
- M40800 PDF datasheet #2
- SAM9260 PDF datasheet #3
- SAM9261 PDF datasheet #4
- SAM9263 PDF datasheet #5
- SAM9263 PDF datasheet #6
- Current page: 270 of 284
- Download datasheet (2Mb)
Debug in Depth
B.17
B.17.1 Breakpoint and watchpoint coupling example
B-52
Coupling breakpoints and watchpoints
You can couple watchpoint units 1 and 0 together using the CHAIN and RANGE
inputs. Using CHAIN enables Watchpoint 0 to be triggered only if Watchpoint 1 has
previously matched. The use of RANGE enables simple range checking to be
performed by combining the outputs of both watchpoints.
Let:
CHAINOUT signal
The CHAINOUT signal is derived as follows:
The CHAINOUT output of watchpoint register 1 provides the CHAIN input to
Watchpoint 0. This CHAIN input enables for quite complicated configurations of
breakpoints and watchpoints.
There is no CHAIN input to Watchpoint 1 and no CHAIN output from Watchpoint 0.
Take, for example, the request by a debugger to breakpoint on the instruction at location
YYY when running process XXX in a multi process system. If the current process ID
is stored in memory, you can implement the above function with a watchpoint and
breakpoint chained together. The watchpoint address points to a known memory
location containing the current process ID, the watchpoint data points to the required
process ID and the ENABLE bit is set to off.
Note
Copyright © 1994-2001. All rights reserved.
be the value in the address value register
be the value in the address mask register
be the address bus from the ARM7TDMI core
be the value in the data value register
be the value in the data mask register
be the data bus from the ARM7TDMI core
be the value in the control value register
be the value in the control mask register
be the combined control bus from the ARM7TDMI core, other
watchpoint registers and the EXTERN signal.
ARM DDI 0029G
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