AT32UC3C0512CAU Atmel Corporation, AT32UC3C0512CAU Datasheet - Page 87
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AT32UC3C0512CAU
Manufacturer Part Number
AT32UC3C0512CAU
Description
Manufacturer
Atmel Corporation
Datasheets
1.AT32UC3A0128.pdf
(377 pages)
2.AT32UC3A0128.pdf
(159 pages)
3.AT32UC3A0128AU.pdf
(2 pages)
4.AT32UC3C0128C.pdf
(1313 pages)
5.AT32UC3C0128C.pdf
(108 pages)
Specifications of AT32UC3C0512CAU
Flash (kbytes)
512 Kbytes
Pin Count
144
Max. Operating Frequency
66 MHz
Cpu
32-bit AVR
# Of Touch Channels
32
Hardware Qtouch Acquisition
No
Max I/o Pins
123
Ext Interrupts
144
Usb Transceiver
1
Quadrature Decoder Channels
2
Usb Speed
Full Speed
Usb Interface
Device + OTG
Spi
7
Twi (i2c)
3
Uart
5
Can
2
Lin
5
Ssc
1
Ethernet
1
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
16
Adc Resolution (bits)
12
Adc Speed (ksps)
2000
Analog Comparators
4
Resistive Touch Screen
No
Dac Channels
4
Dac Resolution (bits)
12
Temp. Sensor
No
Crypto Engine
No
Sram (kbytes)
68
Self Program Memory
YES
External Bus Interface
1
Dram Memory
sdram
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
6
Output Compare Channels
22
Input Capture Channels
12
Pwm Channels
20
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
- AT32UC3A0128 PDF datasheet
- AT32UC3A0128 PDF datasheet #2
- AT32UC3A0128AU PDF datasheet #3
- AT32UC3C0128C PDF datasheet #4
- AT32UC3C0128C PDF datasheet #5
- Current page: 87 of 1313
- Download datasheet (20Mb)
8.5.7
8.5.8
8.5.9
32117C–AVR-08/11
5V Brown Out Detection (BOD50)
Bandgap
Voltage Regulators
If the JTAG or the AWIRE is enabled, the BOD33 reset and interrupt will be masked.
See Electrical Characteristics for parametric details.
To prevent unexpected writes due to software bugs, write access to this register is protected by
a locking mechanism, for details please refer to the UNLOCK register description.
The 5V Brown-Out Detector (BOD50) monitors the VDDIN_5 supply pin and compares the sup-
ply voltage to the brown-out detection level, as set in BOD50.LEVEL. The BOD50 is disabled by
default, but can be enabled by software. The 5V Brown-Out Detector can generate an interrupt
when the supply voltage is below the brown-out detection level. In any case, the BOD50 output
value is given by the PCLKSR.BOD50DET bit.
Note that any change to the BOD50.LEVEL field of the BOD50 register should be done with the
BOD50 deactivated to avoid spurious interrupt. When turned-on, the BOD50 output will be
masked during one half of a RCSYS clock cycle and two main clocks cycles to avoid false
results.
If the JTAG or the AWIRE is enabled, the BOD50 interrupt will be masked.
See Electrical Characteristics for parametric details.
To prevent unexpected writes due to software bugs, write access to this register is protected by
a locking mechanism, for details please refer to the UNLOCK register description.
The Flash memory, the Brown-Out Detectors need a stable voltage reference to operate. This
reference voltage is provided by an internal Bandgap voltage reference. This reference is auto-
matically turned on at startup and turned off during DEEPSTOP and STATIC sleep modes to
save power.
The Bandgap voltage reference is calibrated through the BGCR.CALIB field. This field is loaded
after a Power On Reset with default values stored in factory-programmed flash fuses.
It is not recommended to override default factory settings as it may prevent correct operation of
the Flash and BODs. To prevent unexpected writes due to software bugs, write access to this
register is protected by a locking mechanism, for details please refer to the UNLOCK register
description.
The embedded 1.8V regulator provides the core supply. The embedded 3.3V voltage regulator
is used to supply the USB pads. Both regulators are turned on at startup.
If the application is supplied with a voltage range around 3.3V or the application does not use
the USB interface, the 3.3V voltage regulator has to be turned off by writing 11 binary to
VREGCTRL.VREG33CTL.
The 1.8V voltage regulator has its own voltage reference that is calibrated through the
VREGCR.CALIB field. This field is loaded after a Power On Reset with default values stored in
factory-programmed flash fuses.
Although it is not recommended, it is still possible to override the default factory settings by writ-
ing to those registers. To prevent unexpected writes due to software bugs, write access to this
register is protected by a locking mechanism, for details please refer to the UNLOCK register
description.
AT32UC3C
87
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