ATXMEGA32A4-CU Atmel, ATXMEGA32A4-CU Datasheet - Page 156
ATXMEGA32A4-CU
Manufacturer Part Number
ATXMEGA32A4-CU
Description
MCU AVR 32+4 FLASH 49VFBGA
Manufacturer
Atmel
Series
AVR® XMEGAr
Specifications of ATXMEGA32A4-CU
Core Processor
AVR
Core Size
8/16-Bit
Speed
32MHz
Connectivity
I²C, IrDA, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, DMA, POR, PWM, WDT
Number Of I /o
34
Program Memory Size
32KB (16K x 16)
Program Memory Type
FLASH
Eeprom Size
2K x 8
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
1.6 V ~ 3.6 V
Data Converters
A/D 12x12b, D/A 2x12b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
49-VFBGA
Processor Series
ATXMEGA32x
Core
AVR8
Data Bus Width
8 bit, 16 bit
Data Ram Size
4 KB
Interface Type
I2C, SPI, USART
Maximum Clock Frequency
32 MHz
Number Of Programmable I/os
36
Number Of Timers
5
Operating Supply Voltage
1.6 V to 3.6 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
EWAVR, EWAVR-BL
Development Tools By Supplier
ATAVRDRAGON, ATAVRISP2, ATAVRONEKIT
Minimum Operating Temperature
- 40 C
On-chip Adc
12 bit, 1 Channel
On-chip Dac
2 bit, 1 Channel
For Use With
ATAVRONEKIT - KIT AVR/AVR32 DEBUGGER/PROGRMMRATSTK600 - DEV KIT FOR AVR/AVR32770-1007 - ISP 4PORT ATMEL AVR MCU SPI/JTAG770-1004 - ISP 4PORT FOR ATMEL AVR MCU SPI
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
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Manufacturer
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Price
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14.7
8077H–AVR–12/09
Capture Channel
Figure 14-7. Changing The Period without Buffering
When double buffering is used, the buffer can be written at any time, but the Period Register is
always updated on the “update” condition as shown in
and generation of odd waveforms.
Figure 14-8. Changing Period using Buffering
The CC channels can be used as capture channel to capture external events and give them a
time-stamp indicating time of occurrence. To use capture the Counter must be set in normal
operation.
Events are used to trigger the capture, i.e any events from the Event System including pin
change from any pin can trigger a capture operation. The Event Source Select setting, selects
the event channel that will trigger CC channel A, and the following event channels will then trig-
ger events on the following CC channels if configured. For instance setting the Event Source
Select to event channel 2 will result in CC channel A being connected to Event Channel 2, CC
channel B to event channel 3 and so on.
CNT
CNT
MAX
BOT
MAX
BOT
PERBUF that is higher
New Period written to
than current CNT
New TOP written to
PER that is higher
than current CNT
New Period written to
PERBUF that is lower
than current CNT
Counter Wraparound
New TOP written to
PER that is lower
than current CNT
Figure
14-8. This prevents wraparound
New PER is updated
with PERBUF value.
XMEGA A
"update"
"write"
"update"
"write"
156
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