AT32UC3C2128C Atmel Corporation, AT32UC3C2128C Datasheet - Page 174
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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
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- AT32UC3C0128C PDF datasheet #4
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11. Interrupt Controller (INTC)
11.1
11.2
11.3
32117C–AVR-08/11
Features
Overview
Block Diagram
Rev: 1.0.2.5
•
•
The INTC collects interrupt requests from the peripherals, prioritizes them, and delivers an inter-
rupt request and an autovector to the CPU. The AVR32 architecture supports 4 priority levels for
regular, maskable interrupts, and a Non-Maskable Interrupt (NMI).
The INTC supports up to 64 groups of interrupts. Each group can have up to 32 interrupt request
lines, these lines are connected to the peripherals. Each group has an Interrupt Priority Register
(IPR) and an Interrupt Request Register (IRR). The IPRs are used to assign a priority level and
an autovector to each group, and the IRRs are used to identify the active interrupt request within
each group. If a group has only one interrupt request line, an active interrupt group uniquely
identifies the active interrupt request line, and the corresponding IRR is not needed. The INTC
also provides one Interrupt Cause Register (ICR) per priority level. These registers identify the
group that has a pending interrupt of the corresponding priority level. If several groups have a
pending interrupt of the same level, the group with the lowest number takes priority.
Figure 11-1
accessed via the user interface. The interrupt requests from the peripherals (IREQn) and the
NMI are input on the left side of the figure. Signals to and from the CPU are on the right side of
the figure.
Autovectored low latency interrupt service with programmable priority
Up to 64 groups of interrupts with up to 32 interrupt requests in each group
– 4 priority levels for regular, maskable interrupts
– One Non-Maskable Interrupt
gives an overview of the INTC. The grey boxes represent registers that can be
AT32UC3C
174
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