AT32UC3B1128 Atmel Corporation, AT32UC3B1128 Datasheet - Page 61
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AT32UC3B1128
Manufacturer Part Number
AT32UC3B1128
Description
Manufacturer
Atmel Corporation
Datasheets
1.AT32UC3A0128.pdf
(377 pages)
2.AT32UC3A0128.pdf
(33 pages)
3.AT32UC3A0128.pdf
(159 pages)
4.AT32UC3B0128.pdf
(684 pages)
5.AT32UC3B0128.pdf
(107 pages)
Specifications of AT32UC3B1128
Flash (kbytes)
128 Kbytes
Pin Count
48
Max. Operating Frequency
60 MHz
Cpu
32-bit AVR
# Of Touch Channels
32
Hardware Qtouch Acquisition
No
Max I/o Pins
28
Ext Interrupts
28
Usb Transceiver
1
Usb Speed
Full Speed
Usb Interface
Device
Spi
3
Twi (i2c)
1
Uart
2
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
6
Adc Resolution (bits)
10
Adc Speed (ksps)
384
Resistive Touch Screen
No
Temp. Sensor
No
Crypto Engine
No
Sram (kbytes)
32
Self Program Memory
YES
Dram Memory
No
Nand Interface
No
Picopower
No
Temp. Range (deg C)
-40 to 85
I/o Supply Class
3.0-3.6 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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
AT32UC3B1128-U
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
- AT32UC3A0128 PDF datasheet
- AT32UC3A0128 PDF datasheet #2
- AT32UC3A0128 PDF datasheet #3
- AT32UC3B0128 PDF datasheet #4
- AT32UC3B0128 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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