ATxmega16A4 Atmel Corporation, ATxmega16A4 Datasheet - Page 149
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ATxmega16A4
Manufacturer Part Number
ATxmega16A4
Description
Manufacturer
Atmel Corporation
Specifications of ATxmega16A4
Flash (kbytes)
16 Kbytes
Pin Count
44
Max. Operating Frequency
32 MHz
Cpu
8-bit AVR
# Of Touch Channels
16
Hardware Qtouch Acquisition
No
Max I/o Pins
34
Ext Interrupts
34
Usb Speed
No
Usb Interface
No
Spi
7
Twi (i2c)
2
Uart
5
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
12
Adc Resolution (bits)
12
Adc Speed (ksps)
2000
Analog Comparators
2
Resistive Touch Screen
No
Dac Channels
2
Dac Resolution (bits)
12
Temp. Sensor
Yes
Crypto Engine
AES/DES
Sram (kbytes)
3.3
Eeprom (bytes)
1024
Self Program Memory
YES
Dram Memory
No
Nand Interface
No
Picopower
Yes
Temp. Range (deg C)
-40 to 85
I/o Supply Class
1.6 to 3.6
Operating Voltage (vcc)
1.6 to 3.6
Fpu
No
Mpu / Mmu
no / no
Timers
5
Output Compare Channels
16
Input Capture Channels
16
Pwm Channels
16
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ATxmega16A4U-AU
Manufacturer:
SAMSUNG
Quantity:
514
Part Number:
ATxmega16A4U-AU
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
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14. TC - 16-bit Timer/Counter
14.1
14.2
8077H–AVR–12/09
Features
Overview
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XMEGA has a set of high-end and very flexible 16-bit Timer/Counters (TC). Their basic capabili-
ties include accurate program execution timing, frequency and waveform generation, event
management, and time measurement of digital signals. The Hi-Resolution Extension (Hi-Res)
and Advanced Waveform Extension (AWeX) can be used together with a Timer/Counter to ease
implementation of more advanced and specialized frequency and waveform generation
features.
A block diagram of the 16-bit Timer/Counter with extensions and closely related peripheral mod-
ules (in grey) is shown in
16-bit Timer/Counter
Double Buffered Timer Period Setting
Up to 4 Combined Compare or Capture (CC) Channels (A, B, C, and D)
All Compare or Capture Channels are Double Buffered
Waveform Generation:
Input Capture:
32-bit input capture Direction Control
Timer Overflow and Timer Error Interrupts / Events
One Compare Match or Capture Interrupt / Event per CC Channel
Supports DMA Operation
Hi-Res- Hi-Resolution Extension
AWeX - Advanced Waveform Extension
– Single Slope Pulse Width Modulation
– Dual Slope Pulse Width Modulation
– Frequency Generation
– Input Capture with Noise Cancelling
– Frequency capture
– Pulse width capture
– Increases PWM/FRQ Resolution by 2-bits (4x)
– 4 Dead-Time Insertion (DT) Units with separate high- and low-side settings
– Event controlled fault protection
– Single channel multiple output operation
– Pattern Generation
Figure 14-1 on page
150.
XMEGA A
149
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