ATUC128L4U Atmel Corporation, ATUC128L4U Datasheet - Page 61
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ATUC128L4U
Manufacturer Part Number
ATUC128L4U
Description
Manufacturer
Atmel Corporation
Datasheets
1.AT32UC3A0128.pdf
(377 pages)
2.AT32UC3A0128.pdf
(159 pages)
3.ATUC128L4U.pdf
(960 pages)
4.ATUC128L4U.pdf
(92 pages)
Specifications of ATUC128L4U
Flash (kbytes)
128 Kbytes
Pin Count
48
Max. Operating Frequency
50 MHz
Cpu
32-bit AVR
# Of Touch Channels
17
Hardware Qtouch Acquisition
Yes
Max I/o Pins
36
Ext Interrupts
36
Usb Transceiver
1
Usb Speed
Full Speed
Usb Interface
Device
Spi
1
Twi (i2c)
2
Uart
4
Lin
4
Ssc
1
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
8
Adc Resolution (bits)
12
Adc Speed (ksps)
460
Analog Comparators
8
Resistive Touch Screen
No
Temp. Sensor
Yes
Crypto Engine
No
Sram (kbytes)
16
Self Program Memory
YES
Dram Memory
No
Nand Interface
No
Picopower
Yes
Temp. Range (deg C)
-40 to 85
I/o Supply Class
1.62 to 3.6
Operating Voltage (vcc)
1.62 to 3.6
Fpu
No
Mpu / Mmu
Yes / No
Timers
6
Output Compare Channels
18
Input Capture Channels
12
Pwm Channels
35
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ATUC128L4U-U
Manufacturer:
ATMEL
Quantity:
3 006
- AT32UC3A0128 PDF datasheet
- AT32UC3A0128 PDF datasheet #2
- ATUC128L4U PDF datasheet #3
- ATUC128L4U PDF datasheet #4
- 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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