ATxmega128B1 Atmel Corporation, ATxmega128B1 Datasheet - Page 151
ATxmega128B1
Manufacturer Part Number
ATxmega128B1
Description
Manufacturer
Atmel Corporation
Specifications of ATxmega128B1
Flash (kbytes)
128 Kbytes
Pin Count
100
Max. Operating Frequency
32 MHz
Cpu
8-bit AVR
# Of Touch Channels
16
Hardware Qtouch Acquisition
No
Max I/o Pins
53
Ext Interrupts
53
Usb Transceiver
1
Usb Speed
Full Speed
Usb Interface
Device
Spi
3
Twi (i2c)
1
Uart
2
Segment Lcd
160
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
16
Adc Resolution (bits)
12
Adc Speed (ksps)
2000
Analog Comparators
4
Resistive Touch Screen
No
Temp. Sensor
Yes
Crypto Engine
AES/DES
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
3
Output Compare Channels
10
Input Capture Channels
10
Pwm Channels
10
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ATxmega128B1-AU
Manufacturer:
TI
Quantity:
90
Company:
Part Number:
ATxmega128B1-U
Manufacturer:
FUJITSU
Quantity:
632
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13. TC0/1 – 16-bit Timer/Counter Type 0 and 1
13.1
13.2
8291A–AVR–10/11
Features
Overview
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Atmel AVR XMEGA devices have a set of flexible, 16-bit timer/counters (TC). Their capabilities
include accurate program execution timing, frequency and waveform generation, and input cap-
ture with time and frequency measurement of digital signals. Two timer/counters can be
cascaded to create a 32-bit timer/counter with optional 32-bit capture.
A timer/counter consists of a base counter and a set of compare or capture (CC) channels. The
base counter can be used to count clock cycles or events. It has direction control and period set-
ting that can be used for timing. The CC channels can be used together with the base counter to
do compare match control, frequency generation, and pulse width waveform modulation, as well
as various input capture operations. A timer/counter can be configured for either capture or com-
pare functions, but cannot perform both at the same time.
A timer/counter can be clocked and timed from the peripheral clock with optional prescaling or
from the event system. The event system can also be used for direction control and capture trig-
ger or to synchronize operations.
16-bit timer/counters
32-bit timer/counter support by cascading two timer/counters
Up to four compare or capture (CC) channels
Double buffered timer period setting
Double buffered capture or compare channels
Waveform generation:
Input capture:
Timer overflow and error interrupts/events
One compare match or input capture interrupt/event per CC channel
Can be used with event system for:
Can be used with DMA and to trigger DMA transactions
High-resolution extension
Advanced waveform extension:
– Four CC channels for timer/counters of type 0
– Two CC channels for timer/counters of type 1
– Frequency generation
– Single-slope pulse width modulation
– Dual-slope pulse width modulation
– Input capture with noise cancelling
– Frequency capture
– Pulse width capture
– 32-bit input capture
– Quadrature decoding
– Count and direction control
– Capture
– Increases frequency and waveform resolution by 4x (2-bit) or 8x (3-bit)
– Low- and high-side output with programmable dead-time insertion (DTI)
– Event controlled fault protection for safe disabling of drivers
Atmel AVR XMEGA B
151
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