SAM9260 Atmel Corporation, SAM9260 Datasheet - Page 147
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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
- Current page: 147 of 284
- Download datasheet (2Mb)
6.3
ARM DDI 0029G
Thumb branch with link
A Thumb Branch with Link operation consists of two consecutive Thumb instructions.
Refer to the ARM Architecture Reference Manual for more information.
The first instruction acts like a simple data operation to add the PC to the upper part of
the offset, storing the result in Register 14, LR.
The second instruction which takes a single cycle acts in a similar fashion to the ARM
state branch with link instruction. The first cycle therefore calculates the final branch
destination whilst performing a prefetch from the current PC.
The second cycle of the second instruction performs a fetch from the branch destination
and the return address is stored in R14.
The third cycle of the second instruction performs a fetch from the destination +2,
refilling the instruction pipeline and R14 is modified, with 2 subtracted from it, to
simplify the return to
subroutine work correctly.
The cycle timings of the complete operation are listed in Table 6-2 where:
•
pc is the address of the first instruction of the operation.
Cycle
1
2
3
4
Copyright © 1994-2001. All rights reserved.
Address
pc+4
pc+6
alu
alu+2
alu+4
MAS[1:0]
1
1
1
1
. This makes the
nRW
0
0
0
0
Table 6-2 Thumb long branch with link
Data
(pc+4)
(pc+6)
(alu)
(alu+2)
nMREQ
0
0
0
0
Instruction Cycle Timings
SEQ
1
0
1
1
nOPC
0
0
0
0
type of
6-5
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