AT32UC3A0512 Atmel Corporation, AT32UC3A0512 Datasheet - Page 44

• Manufacturer Part Number: AT32UC3A0512
• Manufacturer: Atmel Corporation

Specifications of AT32UC3A0512

• Flash (kbytes): 512 Kbytes
• Pin Count: 144
• Max. Operating Frequency: 66 MHz
• Cpu: 32-bit AVR
• # Of Touch Channels: 32
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 109
• Ext Interrupts: 109
• Usb Transceiver: 1
• Usb Speed: Full Speed
• Usb Interface: Device + OTG
• Spi: 6
• Twi (i2c): 1
• Uart: 4
• Ssc: 1
• Ethernet: 1
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Channels: 8
• Adc Resolution (bits): 10
• Adc Speed (ksps): 384
• Resistive Touch Screen: No
• Dac Channels: 2
• Dac Resolution (bits): 16
• Temp. Sensor: No
• Crypto Engine: No
• Sram (kbytes): 64
• Self Program Memory: YES
• External Bus Interface: 1
• Dram Memory: sdram
• Nand Interface: No
• Picopower: No
• Temp. Range (deg C): -40 to 85
• I/o Supply Class: 3.0-3.6 or (1.65-1.95+3.0-3.6)
• Operating Voltage (vcc): 3.0-3.6 or (1.65-1.95+3.0-3.6)
• Fpu: No
• Mpu / Mmu: Yes / No
• Timers: 10
• Output Compare Channels: 16
• Input Capture Channels: 6
• Pwm Channels: 13
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: Yes

44
AVR32
The translation process performed by PerformTranslatedAccess( ) can be described as shown
in
Table 5-7.
Table
match ← 0;
for (i=0; i<TLBentries; i++)
endfor;
if (match == 0 )
endif;
if (InApplicationMode)
endif;
if (accesstype == write)
endif;
if (TLB[ptr]
else
endif;
if ( Compare(TLB[i]
SignalException(DTLBmiss, accesstype);
if (TLB[ptr]
endif;
if (TLB[ptr]
endif;
if (TLB[ptr]
endif;
if (TLB[ptr]
else
endif;
PerformAccess(non-cached);
5-7.
// VPN and VA matches for the given page size and entry valid
if ( SharedVirtualMemoryMode or
endif;
SignalException(DTLBprotection, accesstype);
SignalException(DTLBprotection, accesstype);
// Initial page write
SignalException(DTLBmodified);
PerformAccess(cached, write-through);
PerformAccess(cached, write-back);
(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
C
== 1)
AP[2]
AP[1]
D
W
A
== 0)
== 1)
← 1;
== 0)
== 0)
VPN
, VA, TLB[i]
SZ
, TLB[i]
G
V
) )
or (TLB[i]
ASID
==TLBEHI
ASID
) ) ) )
32000D–04/2011