AT32UC3B1256-AUR Atmel, AT32UC3B1256-AUR Datasheet - Page 531

MCU AVR32 256K FLASH 48-TQFP

AT32UC3B1256-AUR

Manufacturer Part Number
AT32UC3B1256-AUR
Description
MCU AVR32 256K FLASH 48-TQFP
Manufacturer
Atmel
Series
AVR®32 UC3r
Datasheet

Specifications of AT32UC3B1256-AUR

Package / Case
48-TQFP, 48-VQFP
Voltage - Supply (vcc/vdd)
1.65 V ~ 1.95 V
Operating Temperature
-40°C ~ 85°C
Speed
60MHz
Number Of I /o
28
Core Processor
AVR
Program Memory Type
FLASH
Ram Size
32K x 8
Program Memory Size
256KB (256K x 8)
Data Converters
A/D 6x10b
Oscillator Type
Internal
Peripherals
Brown-out Detect/Reset, DMA, POR, PWM, WDT
Connectivity
I²C, IrDA, SPI, SSC, UART/USART, USB
Core Size
32-Bit
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-

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32059J–12/2010
Figure 24-4. Non Overlapped Center Aligned Waveforms
Note:
When center aligned, the internal channel counter increases up to CPRD and.decreases down
to 0. This ends the period.
When left aligned, the internal channel counter increases up to CPRD and is reset. This ends
the period.
Thus, for the same CPRD value, the period for a center aligned channel is twice the period for a
left aligned channel.
Waveforms are fixed at 0 when:
• CDTY = CPRD and CPOL = 0
• CDTY = 0 and CPOL = 1
Waveforms are fixed at 1 (once the channel is enabled) when:
• CDTY = 0 and CPOL = 0
• CDTY = CPRD and CPOL = 1
The waveform polarity must be set before enabling the channel. This immediately affects the
channel output level. Changes on channel polarity are not taken into account while the channel
is enabled.
PWM0
PWM1
1. See
Figure 24-5 on page 532
overlap
No
Period
for a detailed description of center aligned waveforms.
AT32UC3B
531

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