ATUC64D3 Atmel Corporation, ATUC64D3 Datasheet - Page 43

• Manufacturer Part Number: ATUC64D3
• Manufacturer: Atmel Corporation

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

5.2.5
32000D–04/2011
Translation process
The translation process maps addresses from the virtual address space to the physical address
space. The addresses are generated as shown in
chosen:
Table 5-5.
A data memory access can be described as shown in
Table 5-6.
Page size
1 kB
4 kB
64 kB
1 MB
If (Segmentation disabled)
else
endif;
If (! PagingEnabled)
else
if (VA in Privileged space)
endif;
if (VA in P4 space)
else if (VA in P2 space)
else if (VA in P1 space)
else
endif;
PerformAccess(cached, write-back);
PerformPagedAccess(VA);
if (InApplicationMode)
PerformAccess(non-cached);
PerformAccess(non-cached);
PerformAccess(cached, writeback);
// VA in P0, U0 or P3 space
if ( ! PagingEnabled)
else
endif;
SignalException(DTLB Protection, accesstype);
PerformAccess(cached, writeback);
PerformPagedAccess(VA);
Physical address generation
Data memory access pseudo-code example
Physical address
PFN[31:10], VA[9:0]
PFN[31:12], VA[11:0]
PFN[31:16], VA[15:0]
PFN[31:20], VA[19:0]
Table
Table
5-6.
5-5, depending on the page size
AVR32
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