ATXMEGA16A4-CU Atmel, ATXMEGA16A4-CU Datasheet - Page 160
ATXMEGA16A4-CU
Manufacturer Part Number
ATXMEGA16A4-CU
Description
MCU AVR 16+4KB FLASH 49VFBGA
Manufacturer
Atmel
Series
AVR® XMEGAr
Specifications of ATXMEGA16A4-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
16KB (8K x 16)
Program Memory Type
FLASH
Eeprom Size
1K x 8
Ram Size
2K 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
ATXMEGA16x
Core
AVR8
Data Bus Width
8 bit, 16 bit
Data Ram Size
2 KB
Interface Type
I2C/SPI/USART
Maximum Clock Frequency
32 MHz
Number Of Programmable I/os
34
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-ch x 12-bit
On-chip Dac
2-ch x 12-bit
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
Quantity
Price
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14.8.1
14.8.2
14.8.3
8077H–AVR–12/09
Waveform Generation
Frequency (FRQ) Waveform Generation
Single Slope PWM Generation
The compare channels can be used for waveform generation on the corresponding port pins. To
make the waveform visible on the connected port pin, the following requirements must be
fulfilled:
Inverted waveform output can be achieved by setting the invert output bit for the port pin.
For frequency generation the period time (T) is controlled by the CCA register instead of PER,
which in this case is not in use. The Waveform Generation (WG) output is toggled on each com-
pare match between the CNT and CCA registers as shown in
Figure 14-12. Frequency Waveform Generation
The waveform generated will have a maximum frequency of half of the Peripheral clock fre-
quency (f
Extension since this only increase the resolution and not the frequency. The waveform fre-
quency (f
where N represents the prescaler divider used (1, 2, 4, 8, 64, 256, 1024, or event channel n).
For single slope PWM generation, the Period (T) is controlled by the PER, while CCx registers
control the duty cycle of the WG output.
TOM to TOP then restarts from BOTTOM. The waveform generator (WG) output is set on the
compare match between the CNT and CCx registers, and cleared at TOP.
f
FRQ
1. A waveform generation mode must be selected.
2. Event actions must be disabled.
3. The CC channels to be used must be enabled. This will override the corresponding port
4. The direction for the associated port pin must be set to output.
CNT
WG Output
=
pin output register.
------------------------------- -
2N CCA+1
FRQ
PER
(
f
PER
MAX
BOT
TOP
)is defined by the following equation:
) when CCA is set to zero (0x0000). This also applies when using the Hi-Res
)
Period (T)
Figure 14-13
Direction Change
shows how the counter counts from BOT-
Figure 14-12 on page
CNT written
XMEGA A
"update"
160.
160
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