SAM9RL64 Atmel Corporation, SAM9RL64 Datasheet - Page 83
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SAM9RL64
Manufacturer Part Number
SAM9RL64
Description
Manufacturer
Atmel Corporation
Datasheets
1.M40800.pdf
(284 pages)
2.SAM9260.pdf
(290 pages)
3.SAM9261.pdf
(248 pages)
4.SAM9R64.pdf
(903 pages)
5.SAM9R64.pdf
(52 pages)
Specifications of SAM9RL64
Flash (kbytes)
0 Kbytes
Pin Count
217
Max. Operating Frequency
240 MHz
Cpu
ARM926
Hardware Qtouch Acquisition
No
Max I/o Pins
118
Ext Interrupts
118
Usb Transceiver
1
Usb Speed
Hi-Speed
Usb Interface
Device
Spi
1
Twi (i2c)
2
Uart
5
Ssc
2
Sd / Emmc
1
Graphic Lcd
Yes
Video Decoder
No
Camera Interface
No
Adc Channels
6
Adc Resolution (bits)
10
Adc Speed (ksps)
220
Resistive Touch Screen
Yes
Temp. Sensor
No
Crypto Engine
No
Sram (kbytes)
64
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)
1.08 to 1.32
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
- SAM9260 PDF datasheet #2
- SAM9261 PDF datasheet #3
- SAM9R64 PDF datasheet #4
- SAM9R64 PDF datasheet #5
- Current page: 83 of 284
- Download datasheet (2Mb)
3.4.5
3.4.6
3.4.7
ARM DDI 0029G
nTRANS
LOCK
TBIT
The nTRANS output conveys information about the transfer. A MMU can use this
signal to determine whether an access is from a privileged mode or User mode. This
signal can be used with nOPC to implement an access permission scheme. The
meaning of nTRANS is listed in Table 3-5.
More information relevant to the nTRANS signal and security is provided in Privileged
mode access on page 3-32.
LOCK is used to indicate to an arbiter that an atomic operation is being performed on
the bus. LOCK is normally LOW, but is set HIGH to indicate that a SWP or SWPB
instruction is being performed. These instructions perform an atomic read/write
operation, and can be used to implement semaphores.
TBIT is used to indicate the operating state of the ARM7TDMI processor. When in:
•
•
Memory systems do not usually have to use TBIT because MAS[1:0] indicates the size
of the instruction required.
ARM state, the TBIT signal is LOW
Thumb state, the TBIT signal is HIGH.
Note
Copyright © 1994-2001. All rights reserved.
nTRANS
0
1
Table 3-5 nTRANS encoding
Mode
User
Privileged
Memory Interface
3-13
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