AT32UC3A464S Atmel Corporation, AT32UC3A464S Datasheet - Page 46

• Manufacturer Part Number: AT32UC3A464S
• Manufacturer: Atmel Corporation

Specifications of AT32UC3A464S

• Flash (kbytes): 64 Kbytes
• Pin Count: 100
• Max. Operating Frequency: 66 MHz
• Cpu: 32-bit AVR
• Hardware Qtouch Acquisition: No
• Usb Transceiver: 1
• Usb Speed: Hi-Speed
• Usb Interface: Device + OTG
• Spi: 6
• Twi (i2c): 2
• Uart: 4
• Ssc: 1
• Sd / Emmc: 2
• 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: AES
• Sram (kbytes): 128
• Self Program Memory: YES
• Dram Memory: No
• Nand Interface: Yes
• 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
• Mpu / Mmu: Yes / No
• Timers: 6
• Output Compare Channels: 6
• Input Capture Channels: 6
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: Yes

46
AVR32
The translation process performed by PerformTranslatedAccess( ) can be described as as
shown in
Table 5-9.
match ← 0;
for (i=0; i<TLBentries; i++)
endfor;
if (match == 0 )
endif;
if (InApplicationMode)
endif;
if (TLB[ptr]
endif;
if (TLB[ptr]
else
endif;
if ( Compare(TLB[i]
SignalException(ITLBmiss);
if (TLB[ptr]
endif;
SignalException(ITLBprotection);
PerformAccess(cached);
PerformAccess(non-cached);
// VPN and VA matches for the given page size and entry valid
if ( SharedVirtualMemoryMode or
endif;
SignalException(ITLBprotection);
Table
(PrivateVirtualMemoryMode and ( TLB[i]
if (match == 1)
else
endif;
PerformTranslatedAccess( ) pseudo-code example
SignalException(TLBmultipleHit);
match ← 1;
TLB[i]
ptr ← i;
// pointer points to the matching TLB entry
5-9.
AP[0]
C
== 1)
AP[2]
A
== 0)
← 1;
== 0)
VPN
, VA, TLB[i]
SZ
, TLB[i]
G
V
) )
or (TLB[i]
ASID
==TLBEHI
ASID
) ) ) )
32000D–04/2011