AT32UC3L064-AUT Atmel, AT32UC3L064-AUT Datasheet - Page 533
![MCU AVR32 64KB FLASH 48TQFP](/photos/6/82/68248/313-48-vqfp_sml.jpg)
AT32UC3L064-AUT
Manufacturer Part Number
AT32UC3L064-AUT
Description
MCU AVR32 64KB FLASH 48TQFP
Manufacturer
Atmel
Series
AVR®32 UC3r
Datasheets
1.ATAVRONE-PROBECBL.pdf
(16 pages)
2.AT32UC3L-EK.pdf
(858 pages)
3.AT32UC3L016-D3HT.pdf
(110 pages)
Specifications of AT32UC3L064-AUT
Core Processor
AVR
Core Size
32-Bit
Speed
50MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, DMA, PWM, WDT
Number Of I /o
36
Program Memory Size
64KB (64K x 8)
Program Memory Type
FLASH
Ram Size
16K x 8
Voltage - Supply (vcc/vdd)
1.62 V ~ 3.6 V
Data Converters
A/D 9x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
48-TQFP, 48-VQFP
Processor Series
AT32UC3x
Core
AVR32
Data Bus Width
32 bit
Data Ram Size
16 KB
Interface Type
SPI/TWI/USART
Maximum Clock Frequency
50 MHz
Number Of Programmable I/os
36
Number Of Timers
7
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
EWAVR32, EWAVR32-BL
Development Tools By Supplier
AT32UC3L-EK
Minimum Operating Temperature
- 40 C
On-chip Adc
9-ch x 10-bit
Package
48TQFP
Device Core
AVR32
Family Name
AT32
Maximum Speed
50 MHz
Operating Supply Voltage
1.8|3.3 V
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT32UC3L064-AUT
Manufacturer:
HONGFA
Quantity:
30 000
Part Number:
AT32UC3L064-AUT
Manufacturer:
MICROCHIP/微芯
Quantity:
20 000
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23.5.1
23.5.2
23.5.3
23.5.4
23.5.5
23.5.6
23.6
23.6.1
23.6.2
32099F–11/2010
Functional Description
I/O Lines
Power Management
Clocks
Interrupts
Peripheral Events
Debug Operation
Enabling the PWMA
Timebase Counter
The pins used for interfacing the PWMA may be multiplexed with I/O Controller lines. The pro-
grammer must first program the I/O Controller to assign the desired PWMA pins to their
peripheral function.
It is only required to enable the PWMA outputs actually in use.
If the CPU enters a sleep mode that disables clocks used by the PWMA, the PWMA will stop
functioning and resume operation after the system wakes up from sleep mode.
The clock for the PWMA bus interface (CLK_PWMA) is generated by the Power Manager. This
clock is enabled at reset, and can be disabled in the Power Manager. It is recommended to dis-
able the PWMA before disabling the clock, to avoid freezing the PWMA in an undefined state.
Additionally, the PWMA depends on a dedicated Generic Clock (GCLK). The GCLK can be set
to a wide range of frequencies and clock sources and must be enabled in the System Control
Interface (SCIF) before the PWMA can be used.
The PWMA interrupt request lines are connected to the interrupt controller. Using the PWMA
interrupts requires the interrupt controller to be programmed first.
The PWMA peripheral events are connected via the Peripheral Event System. Refer to the
Peripheral Event System chapter for details.
When an external debugger forces the CPU into debug mode, the PWMA continues normal
operation. If the PWMA is configured in a way that requires it to be periodically serviced by the
CPU through interrupts, improper operation or data loss may result during debugging.
The PWMA embeds a number of PWM channel submodules, each providing an output PWM
waveform. Each PWM channel contains a duty cycle register and a comparator. A common
timebase counter for all channels determines the frequency and the period for all the PWM
waveforms.
Once the GCLK has been enabled, the PWMA is enabled by writing a one to the EN bit in the
Control Register (CR).
The top value of the timebase counter defines the period of the PWMA output waveform. The
timebase counter starts at zero when the PWMA is enabled and counts upwards until it reaches
its effective top value (ETV). The effective top value is defined by specifying the desired number
of GCLK clock cycles in the TOP field of CR (CR.TOP) in normal operation (CR.SPREAD is
AT32UC3L016/32/64
533
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