AT32UC3L064 Atmel Corporation, AT32UC3L064 Datasheet - Page 456
AT32UC3L064
Manufacturer Part Number
AT32UC3L064
Description
Manufacturer
Atmel Corporation
Datasheets
1.AT32UC3A0128.pdf
(377 pages)
2.AT32UC3A0128.pdf
(159 pages)
3.AT32UC3L016.pdf
(843 pages)
4.AT32UC3L016.pdf
(110 pages)
Specifications of AT32UC3L064
Flash (kbytes)
64 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 Speed
No
Usb Interface
No
Spi
5
Twi (i2c)
2
Uart
4
Lin
4
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
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Price
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Manufacturer:
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Quantity:
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Manufacturer:
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Quantity:
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- AT32UC3A0128 PDF datasheet
- AT32UC3A0128 PDF datasheet #2
- AT32UC3L016 PDF datasheet #3
- AT32UC3L016 PDF datasheet #4
- Current page: 456 of 843
- Download datasheet (13Mb)
21.8
21.8.1
21.8.2
32099G–06/2011
Functional Description
Transfer Format
Operation
The data put on the TWD line must be 8 bits long. Data is transferred MSB first; each byte must
be followed by an acknowledgement. The number of bytes per transfer is unlimited (see
21-4).
Each transfer begins with a START condition and terminates with a STOP condition (see
21-4).
Figure 21-3.
Figure 21-4. Transfer Format
The TWIM has two modes of operation:
The master is the device which starts and stops a transfer and generates the TWCK clock.
These modes are described in the following chapters.
• A high-to-low transition on the TWD line while TWCK is high defines the START condition.
• A low-to-high transition on the TWD line while TWCK is high defines a STOP condition.
• Master transmitter mode
• Master receiver mode
TWD
TWCK
START and STOP Conditions
Start
Address
TWCK
TWD
R/W
Start
Ack
Data
Ack
AT32UC3L016/32/64
Data
Stop
Ack
Stop
Figure
Figure
456
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