AT32UC3C264C Atmel Corporation, AT32UC3C264C Datasheet - Page 40
AT32UC3C264C
Manufacturer Part Number
AT32UC3C264C
Description
Manufacturer
Atmel Corporation
Datasheets
1.AT32UC3A0128.pdf
(377 pages)
2.AT32UC3A0128.pdf
(159 pages)
3.AT32UC3C0128C.pdf
(1313 pages)
4.AT32UC3C0128C.pdf
(108 pages)
Specifications of AT32UC3C264C
Flash (kbytes)
64 Kbytes
Pin Count
64
Max. Operating Frequency
66 MHz
Cpu
32-bit AVR
Hardware Qtouch Acquisition
No
Max I/o Pins
45
Ext Interrupts
64
Usb Transceiver
1
Quadrature Decoder Channels
1
Usb Speed
Full Speed
Usb Interface
Device + OTG
Spi
5
Twi (i2c)
2
Uart
4
Can
2
Lin
4
Ssc
1
Ethernet
1
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
11
Adc Resolution (bits)
12
Adc Speed (ksps)
2000
Analog Comparators
2
Resistive Touch Screen
No
Dac Channels
2
Dac Resolution (bits)
12
Temp. Sensor
No
Crypto Engine
No
Sram (kbytes)
20
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 or 4.5 to 5.5
Operating Voltage (vcc)
3.0 to 3.6 or 4.5 to 5.5
Fpu
Yes
Mpu / Mmu
Yes / No
Timers
3
Output Compare Channels
13
Input Capture Channels
6
Pwm Channels
14
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT32UC3C264C-A2UR
Manufacturer:
INTERSIL
Quantity:
1 670
Part Number:
AT32UC3C264C-U
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
- AT32UC3A0128 PDF datasheet
- AT32UC3A0128 PDF datasheet #2
- AT32UC3C0128C PDF datasheet #3
- AT32UC3C0128C PDF datasheet #4
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- Download datasheet (5Mb)
5.2.2.3
5.2.2.4
5.2.2.5
40
AVR32
Page Table Base Register - PTBR
TLB Exception Address Register - TLBEAR
MMU Control Register - MMUCR
Table 5-2.
Table 5-3.
This register points to the start of the page table structure. The register is not used by hardware,
and can only be modified by software. The register is meant to be used by the MMU-related
exception routines.
This register contains the virtual address that caused the most recent MMU-related exception.
The register is updated by hardware when such an exception occurs.
The MMUCR controls the operation of the MMU. The MMUCR has the following fields:
AP
000
001
010
011
100
101
110
111
SZ
00
01
10
11
• SZ - Size of the page. The following page sizes are provided, see
• D - Dirty bit. Set if the page has been written to, cleared otherwise. If the memory access is a
• W - Write through. If set, a write-through cache update policy should be used. Write-back
• IRP - Instruction TLB Replacement Pointer. Points to the ITLB entry to overwrite when a new
store and the D bit is cleared, an Initial Page Write exception is raised.
should be used otherwise. The bit is ignored if the cache only supports write-through or write-
back.
entry is loaded by the tlbw instruction. The IRP field may be updated automatically in an
IMPLEMENTATION DEFINED manner in order to optimize the replacement algorithm. The
IRP field can also be written by software, allowing the exception routine to implement a
replacement algorithm in software. The IRP field is 6 bits wide, allowing a maximum of 64
Access permissions implied by the AP bits
Page sizes implied by the SZ bits
Privileged mode
Read
Read / Execute
Read / Write
Read / Write / Execute
Read
Read / Execute
Read / Write
Read / Write / Execute
Page size
1 kB
4 kB
64 kB
1 MB
Bits used in VPN
TLBEHI[31:10]
TLBEHI[31:12]
TLBEHI[31:16]
TLBEHI[31:20]
Bits used in PFN
TLBELO[31:10]
TLBELO[31:12]
TLBELO[31:16]
TLBELO[31:20]
Unprivileged mode
None
None
None
None
Read
Read / Execute
Read / Write
Read / Write / Execute
Table
5-3:
32000D–04/2011
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