ATxmega128D4 Atmel Corporation, ATxmega128D4 Datasheet - Page 123
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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12.2.1
12.3
8210B–AVR–04/10
Block Diagram
Definitions
The following definitions are used extensively throughout the Timer/Counter documentation:
Table 12-1.
In general the term Timer is used when the Timer/Counter clock control is handled by an internal
source and the term Counter is used if the clock is given externally (from an event).
Figure 12-2 on page 124
extensions.
Name
BOTTOM
MAX
TOP
UPDATE
Timer/Counter definitions
Description
The Counter reaches the BOTTOM when it becomes zero.
The Counter reaches MAXimum when it becomes all ones.
The Counter reaches the TOP when it becomes equal to the highest value in the
count sequence. The TOP value can be equal to the period (PER) or the Compare
Channel A (CCA) register setting. This is selected by the Waveform Generator Mode.
The Timer/Counter signalizes an update when it reaches BOTTOM or TOP
dependent of the Waveform Generator Mode.
shows a detailed block diagram of the Timer/Counter without the
XMEGA D
123
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