ATxmega128D4 Atmel Corporation, ATxmega128D4 Datasheet - Page 151
ATxmega128D4
Manufacturer Part Number
ATxmega128D4
Description
Manufacturer
Atmel Corporation
Specifications of ATxmega128D4
Flash (kbytes)
128 Kbytes
Pin Count
44
Max. Operating Frequency
32 MHz
Cpu
8-bit AVR
Hardware Qtouch Acquisition
No
Max I/o Pins
34
Ext Interrupts
34
Usb Speed
No
Usb Interface
No
Spi
4
Twi (i2c)
2
Uart
2
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
12
Adc Resolution (bits)
12
Adc Speed (ksps)
200
Analog Comparators
2
Resistive Touch Screen
No
Temp. Sensor
Yes
Crypto Engine
No
Sram (kbytes)
8
Eeprom (bytes)
2048
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
4
Output Compare Channels
14
Input Capture Channels
14
Pwm Channels
14
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes
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14.3
8210B–AVR–04/10
Port Override
The Pattern Generation unit can be used to generate a synchronized bit pattern on the port it is
connected to. In addition, the waveform generator output from the Compare Channel A can be
distributed to and override all the port pins. When the Pattern Generator unit is enabled the DTI
unit is bypassed.
The Fault Protection unit is connected to the Event System, enabling any event to trigger a fault
condition that will disable the AWeX output.
Common for all the timer/counter extensions is the port override logic.
shows a schematic diagram of the port override logic. When the dead-time enable (DTIENx) bit
is set the timer/counter extension takes control over the pin pair for the corresponding channel.
Given this condition the Output Override Enable (OOE) bits takes control over the CCxEN.
Note that timer/counter 1 (TCx1) can still be used even when DTI channels A, B, and D are
enabled.
Figure 14-2 on page 152
XMEGA D
151
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