ATUC64D3 Atmel Corporation, ATUC64D3 Datasheet - Page 284
ATUC64D3
Manufacturer Part Number
ATUC64D3
Description
Manufacturer
Atmel Corporation
Datasheets
1.AT32UC3A0128.pdf
(377 pages)
2.AT32UC3A0128.pdf
(33 pages)
3.AT32UC3A0128.pdf
(159 pages)
4.ATUC128D3.pdf
(755 pages)
5.ATUC128D3.pdf
(69 pages)
Specifications of ATUC64D3
Flash (kbytes)
64 Kbytes
Pin Count
64
Max. Operating Frequency
48 MHz
Cpu
32-bit AVR
# Of Touch Channels
25
Hardware Qtouch Acquisition
Yes
Max I/o Pins
51
Ext Interrupts
51
Usb Transceiver
1
Usb Speed
Full Speed
Usb Interface
Device
Spi
1
Twi (i2c)
2
Uart
3
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
8
Adc Resolution (bits)
10
Resistive Touch Screen
No
Temp. Sensor
No
Crypto Engine
No
Sram (kbytes)
16
Self Program Memory
YES
Dram Memory
No
Nand Interface
No
Picopower
No
Temp. Range (deg C)
-40 to 85
I/o Supply Class
3.0 to 3.6
Operating Voltage (vcc)
3.0 to 3.6
Fpu
No
Timers
3
Output Compare Channels
3
Input Capture Channels
3
Pwm Channels
7
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes
Available stocks
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- AT32UC3A0128 PDF datasheet
- AT32UC3A0128 PDF datasheet #2
- AT32UC3A0128 PDF datasheet #3
- ATUC128D3 PDF datasheet #4
- ATUC128D3 PDF datasheet #5
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284
AVR32
PREF – Cache Prefetch
Architecture revision:
Architecture revision1 and higher.
Description
This instruction allows the programmer to explicitly state that the cache should prefetch the
specified line. The memory system treats this instruction in an implementation-dependent man-
ner, and implementations without cache treats the instruction as a NOP. A prefetch instruction
never reduces the performance of the system. If the prefetch instruction performs an action that
would lower the system performance, it is treated as a NOP. For example, if the prefetch instruc-
tion is about to generate an addressing exception, the instruction is cancelled and no exception
is taken.
Operation:
I.
Syntax:
Operands:
I.
Status Flags:
Opcode:
31
1
15
Prefetch cache line containing the address (Rp + SE(disp16)).
pref
p ∈ {0, 1, …, 15}
disp ∈ {-32768, -32767, ..., 32767}
Q:
V:
N:
Z:
C:
1
29
1
Rp[disp]
Not affected.
Not affected.
Not affected.
Not affected.
Not affected.
28
1
0
0
1
0
disp16
0
0
0
20
1
19
Rp
32000D–04/2011
0
16
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