AT32UC3C0128C

Manufacturer Part NumberAT32UC3C0128C
ManufacturerAtmel Corporation
AT32UC3C0128C datasheets

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Specifications of AT32UC3C0128C

Flash (kbytes)128 KbytesPin Count144
Max. Operating Frequency66 MHzCpu32-bit AVR
Hardware Qtouch AcquisitionNoMax I/o Pins123
Ext Interrupts144Usb Transceiver1
Quadrature Decoder Channels2Usb SpeedFull Speed
Usb InterfaceDevice + OTGSpi7
Twi (i2c)3Uart5
Can2Lin5
Ssc1Ethernet1
Graphic LcdNoVideo DecoderNo
Camera InterfaceNoAdc Channels16
Adc Resolution (bits)12Adc Speed (ksps)2000
Analog Comparators4Resistive Touch ScreenNo
Dac Channels4Dac Resolution (bits)12
Temp. SensorNoCrypto EngineNo
Sram (kbytes)36Self Program MemoryYES
External Bus Interface1Dram Memorysdram
Nand InterfaceNoPicopowerNo
Temp. Range (deg C)-40 to 85I/o Supply Class3.0 to 3.6 or 4.5 to 5.5
Operating Voltage (vcc)3.0 to 3.6 or 4.5 to 5.5FpuYes
Mpu / MmuYes / NoTimers6
Output Compare Channels22Input Capture Channels12
Pwm Channels2032khz RtcYes
Calibrated Rc OscillatorYes  
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Page 284/377

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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
AVR32
284
Prefetch cache line containing the address (Rp + SE(disp16)).
pref
Rp[disp]
p ∈ {0, 1, …, 15}
disp ∈ {-32768, -32767, ..., 32767}
Q:
Not affected.
V:
Not affected.
N:
Not affected.
Z:
Not affected.
C:
Not affected.
29
28
1
1
1
0
0
1
20
19
0
0
0
0
1
disp16
16
Rp
0
32000D–04/2011