SAM9263 Atmel Corporation, SAM9263 Datasheet - Page 120
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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: 120 of 284
- Download datasheet (2Mb)
Coprocessor Interface
4.7
4-16
Undefined instructions
Undefined instructions are treated by the ARM7TDMI processor as coprocessor
instructions. All coprocessors must be absent, CPA and CPB must be HIGH, when an
undefined instruction is presented. The ARM7TDMI processor takes the undefined
instruction trap.
For undefined instructions to be handled correctly, any coprocessors in a system must
give the absent response (CPA and CPB HIGH) to an undefined instruction. This allows
the core to take the undefined instruction exception.
The coprocessor must check bit 27 of the instruction to differentiate between the
following instruction types:
•
•
Coprocessor instructions are not supported in the Thumb instruction set but undefined
instructions are. All coprocessors must monitor the state of the TBIT output from
ARM7TDMI core. When the ARM7TDMI core is in Thumb state, coprocessors must
drive CPA and CPB HIGH, and the instructions seen on the data bus must be ignored.
In this way, coprocessors do not execute Thumb instructions in error, and all undefined
instructions are handled correctly.
undefined instructions have 0 in bit 27
coprocessor instructions have 1 in bit 27.
Copyright © 1994-2001. All rights reserved.
ARM DDI 0029G
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