SAM9RL64 Atmel Corporation, SAM9RL64 Datasheet - Page 90
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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: 90 of 903
- Download datasheet (13Mb)
15.3.4.3
Figure 15-6. User Reset State
90
periph_nreset
proc_nreset
(nrst_out)
RSTTYP
AT91SAM9R64/RL64
NRST
SLCK
NRST
MCK
User Reset
The User Reset is entered when a low level is detected on the NRST pin and the bit URSTEN in
RSTC_MR is at 1. The NRST input signal is resynchronized with SLCK to insure proper behav-
ior of the system.
The User Reset is entered as soon as a low level is detected on NRST. The Processor Reset
and the Peripheral Reset are asserted.
The User Reset is left when NRST rises, after a two-cycle resynchronization time and a 3-cycle
processor startup. The processor clock is re-enabled as soon as NRST is confirmed high.
When the processor reset signal is released, the RSTTYP field of the Status Register
(RSTC_SR) is loaded with the value 0x4, indicating a User Reset.
T h e
EXTERNAL_RESET_LENGTH Slow Clock cycles, as programmed in the field ERSTL. How-
ever, if NRST does not rise after EXTERNAL_RESET_LENGTH because it is driven low
externally, the internal reset lines remain asserted until NRST actually rises.
Resynch.
2 cycles
Any
Freq.
Any
N R S T
>= EXTERNAL RESET LENGTH
M a n a g e r
g u a r a n t e e s
Resynch.
2 cycles
XXX
t h a t
t h e
Processor Startup
= 3 cycles
N R S T
l i n e
0x4 = User Reset
i s
6289D–ATARM–3-Oct-11
a s s e r t e d
f o r
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