AT32UC3A464 Atmel Corporation, AT32UC3A464 Datasheet - Page 61
AT32UC3A464
Manufacturer Part Number
AT32UC3A464
Description
Manufacturer
Atmel Corporation
Datasheets
1.AT32UC3A0128.pdf
(377 pages)
2.AT32UC3A0128.pdf
(33 pages)
3.AT32UC3A0128.pdf
(159 pages)
4.AT32UC3A3128.pdf
(91 pages)
5.AT32UC3A3128.pdf
(1012 pages)
Specifications of AT32UC3A464
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
No
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
Timers
6
Output Compare Channels
6
Input Capture Channels
6
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT32UC3A464-CIUT
Manufacturer:
ATMEL
Quantity:
180
Part Number:
AT32UC3A464-CIUT
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
Company:
Part Number:
AT32UC3A464-U
Manufacturer:
XILINX
Quantity:
1
Company:
Part Number:
AT32UC3A464S-U
Manufacturer:
ATMEL
Quantity:
551
- AT32UC3A0128 PDF datasheet
- AT32UC3A0128 PDF datasheet #2
- AT32UC3A0128 PDF datasheet #3
- AT32UC3A3128 PDF datasheet #4
- AT32UC3A3128 PDF datasheet #5
- Current page: 61 of 377
- Download datasheet (5Mb)
7.4.7
7.4.8
7.4.9
7.4.10
7.4.11
32000D–04/2011
Fraction of execution time spent stalling due to writeback
ITLB miss rate
DTLB miss rate
Branch prediction hit rate
Branch prediction correct rate
AWSD = PCNT0 / PCNT1
The average writeback stall duration (AWSD) mesures the average number of clock cycles
spent stalling due to a full writebuffer.
CONF0: 0x9 (Write buffer full cycles)
FETW=CONF0/PCCNT
The fraction of execution time spent stalling due to writeback (FETW) is the ratio of writebuffer
full stall cycles to the total number of cycles.
CONF0: 0x3 (ITLB miss)
CONF1: 0x7 (Instruction count)
IMR = PCNT0 / PCNT1
The ITLB miss rate (IMR) is the ratio of ITLB misses to the number of instructions executed.
CONF0: 0x4 (DTLB miss)
CONF1: 0x7 (Instruction count)
IMR = PCNT0 / PCNT1
The DTLB miss rate (DMR) is the ratio of DTLB misses to the number of instructions executed.
CONF0: 0x17 (BTB hit)
CONF1: 0x5 (Branch executed)
BPHR = PCNT0 / PCNT1
The branch prediction hit rate (BPHR) is the ratio of BTB hits to the number of branches
executed.
CONF0: 0x5 (Branch executed)
CONF1: 0x6 (Branch mispredicted)
BPCR = PCNT1 / PCNT0
The branch prediction correct rate (BPCR) is the ratio of branch mispredictions to the total num-
ber of executed branches.
AVR32
61
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