AT32UC3C2128C Atmel Corporation, AT32UC3C2128C Datasheet - Page 133
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AT32UC3C2128C
Manufacturer Part Number
AT32UC3C2128C
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 AT32UC3C2128C
Flash (kbytes)
128 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)
36
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:
AT32UC3C2128C-A2UR
Manufacturer:
ATMEL
Quantity:
1 043
Part Number:
AT32UC3C2128C-Z2UR
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
- AT32UC3A0128 PDF datasheet
- AT32UC3A0128 PDF datasheet #2
- AT32UC3C0128C PDF datasheet #3
- AT32UC3C0128C PDF datasheet #4
- Current page: 133 of 1313
- Download datasheet (20Mb)
9. Asynchronous Timer (AST)
9.1
9.2
32117C–AVR-08/11
Features
Overview
Rev: 2.0.0.1
•
•
•
•
•
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The Asynchronous Timer (AST) enables periodic interrupts and periodic peripheral events, as
well as interrupts and peripheral events at a specified time in the future. The AST consists of a
32-bit prescaler which feeds a 32-bit up-counter. The prescaler can be clocked from four differ-
ent clock sources, including the low-power 32KHz clock, which allows the AST to be used as a
real-time timer with a maximum timeout of more than 100 years. Also, the PB clock or a generic
clock can be used for high-speed operation, allowing the AST to be used as a general timer.
The AST can generate periodic interrupts and peripheral events from output from the prescaler,
as well as alarm interrupts and peripheral events, which can trigger at any counter value. Addi-
tionally, the timer can trigger an overflow interrupt and peripheral event, and be reset on the
occurrence of any alarm. This allows periodic interrupts and peripheral events at very long and
accurate intervals.
The AST has been designed to meet the system tick and Real Time Clock requirements of most
embedded operating systems.
32-bit counter with 32-bit prescaler
Clocked Source
Optional calendar mode supported
Digital prescaler tuning for increased accuracy
Periodic interrupt(s) and peripheral event(s) supported
Alarm interrupt(s) and peripheral event(s) supported
– System RC oscillator (RCSYS)
– 32KHz crystal oscillator (OSC32K)
– PB clock
– Generic clock (GCLK)
– 1KHz clock from 32KHz oscillator
– Optional clear on alarm
AT32UC3C
133
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