ATxmega32A4U Atmel Corporation, ATxmega32A4U Datasheet - Page 202
ATxmega32A4U
Manufacturer Part Number
ATxmega32A4U
Description
Manufacturer
Atmel Corporation
Specifications of ATxmega32A4U
Flash (kbytes)
32 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 Transceiver
1
Usb Speed
Full Speed
Usb Interface
Device
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)
4
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:
ATxmega32A4U-AU
Manufacturer:
ON
Quantity:
1 140
Part Number:
ATxmega32A4U-AUR
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
Part Number:
ATxmega32A4U-CU
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
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16. AWeX – Advanced Waveform Extension
16.1
16.2
8331A–AVR–07/11
Features
Overview
•
•
•
•
The advanced waveform extension (AWeX) provides extra functions to the timer/counter in
waveform generation (WG) modes. It is primarily intended for use with different types of motor
control and other power control applications. It enables low- and high side output with dead-time
insertion and fault protection for disabling and shutting down external drivers. It can also gener-
ate a synchronized bit pattern across the port pins.
Figure 16-1. Advanced waveform extention and closely related peripherals (grey).
As shown in
ter 0 are split into a complimentary pair of outputs when any AWeX features are enabled. These
Waveform output with complementary output from each compare channel
Four dead-time insertion (DTI) units
Pattern generation unit creating synchronised bit pattern across the port pins
Event controlled fault protection for instant and predictable fault triggering
– 8-bit resolution
– Separate high and low side dead-time setting
– Double buffered dead time
– Optionally halts timer during dead-time insertion
– Double buffered pattern generation
– Optional distribution of one compare channel output across the port pins
Timer/Counter 0
Channel A
Channel B
Channel C
Channel D
System
Figure 16-1 on page
Event
WG
WG
WG
WG
202, each of the waveform generator outputs from timer/coun-
AWeX
Generation
Channel A
Channel B
Channel C
Channel D
Protection
Pattern
Fault
DTI
DTI
DTI
DTI
Atmel AVR XMEGA AU
Override
Port
Px0
Px1
Px2
Px3
Px4
Px5
Px6
Px7
202
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