SAM9XE128 Atmel Corporation, SAM9XE128 Datasheet - Page 147
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SAM9XE128
Manufacturer Part Number
SAM9XE128
Description
Manufacturer
Atmel Corporation
Datasheets
1.SAM9260.pdf
(290 pages)
2.SAM9261.pdf
(248 pages)
3.SAM9XE128.pdf
(860 pages)
4.SAM9XE128.pdf
(48 pages)
Specifications of SAM9XE128
Flash (kbytes)
128 Kbytes
Pin Count
217
Max. Operating Frequency
180 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)
2
Uart
6
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)
16
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)
1.65 to 1.95
Fpu
No
Mpu / Mmu
No / Yes
Timers
6
Output Compare Channels
6
Input Capture Channels
6
32khz Rtc
Yes
Calibrated Rc Oscillator
No
- SAM9260 PDF datasheet
- SAM9261 PDF datasheet #2
- SAM9XE128 PDF datasheet #3
- SAM9XE128 PDF datasheet #4
- Current page: 147 of 290
- Download datasheet (5Mb)
7.5
7.5.1
ARM DDI 0165B
Debug interface signals
Entry into debug state on breakpoint
Breakpointed instruction
DBGIEBKPT
INSTR[31:0]
DBGACK
IA[31:1]
CLK
There are four primary external signals associated with the debug interface:
•
•
An instruction being fetched from memory is sampled at the end of a cycle. To apply a
breakpoint to that instruction, the breakpoint signal must be asserted by the end of the
same cycle. This is shown in Figure 7-4.
You can build external logic, such as additional breakpoint comparators, to extend the
breakpoint functionality of the EmbeddedICE-RT logic. You must apply their output to
the DBGIEBKPT input. This signal is ORed with the internally-generated Breakpoint
signal before being applied to the ARM9E-S core control logic.
The timing of the DBGIEBKPT input makes it unlikely that data-dependent external
breakpoints are possible.
F1
DBGIEBKPT, DBGDEWPT, and EDBGRQ are system requests for the
ARM9E-S to enter debug state
DBGACK is used by the ARM9E-S to flag back to the system that it is in debug
state.
Note
1
Copyright © 2000 ARM Limited. All rights reserved.
D1
F2
2
E1
D2
FB
B
M1
E2
DB
F3
3
Ddebug
(EB)
(D3)
(F4)
W1
M2
Debug Interface and EmbeddedICE-RT
4
Edebug1
Figure 7-4 Breakpoint timing
(MB)
(D4)
(E3)
W2
Edebug2
(WB)
(M3)
(E4)
7-9
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