ATMEGA256RZAV-8AU Atmel, ATMEGA256RZAV-8AU Datasheet - Page 136
![MCU ATMEGA2561/AT86RF230 64-TQFP](/photos/12/13/121332/313-64-tqfp_sml.jpg)
ATMEGA256RZAV-8AU
Manufacturer Part Number
ATMEGA256RZAV-8AU
Description
MCU ATMEGA2561/AT86RF230 64-TQFP
Manufacturer
Atmel
Series
ATMEGAr
Datasheets
1.ATMEGA640V-8CU.pdf
(38 pages)
2.ATMEGA640V-8CU.pdf
(444 pages)
3.AT86RF230-ZU.pdf
(98 pages)
Specifications of ATMEGA256RZAV-8AU
Frequency
2.4GHz
Modulation Or Protocol
802.15.4 Zigbee
Applications
ISM, ZigBee™
Power - Output
3dBm
Sensitivity
-101dBm
Voltage - Supply
1.8 V ~ 3.6 V
Current - Receiving
15.5mA
Current - Transmitting
16.5mA
Data Interface
PCB, Surface Mount
Memory Size
256kB Flash, 4kB EEPROM, 8kB RAM
Antenna Connector
PCB, Surface Mount
Package / Case
64-TQFP
Wireless Frequency
2.4 GHz
Interface Type
JTAG, SPI
Output Power
3 dBm
For Use With
ATAVRISP2 - PROGRAMMER AVR IN SYSTEM
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Operating Temperature
-
Data Rate - Maximum
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
For Use With/related Products
ATmega256
- Current page: 136 of 444
- Download datasheet (10Mb)
16. 16-bit Timer/Counter (Timer/Counter 1, 3, 4, and 5)
16.1
16.2
2549M–AVR–09/10
Features
Overview
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•
•
•
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The 16-bit Timer/Counter unit allows accurate program execution timing (event management),
wave generation, and signal timing measurement.
Most register and bit references in this section are written in general form. A lower case “n”
replaces the Timer/Counter number, and a lower case “x” replaces the Output Compare unit
channel. However, when using the register or bit defines in a program, the precise form must be
used, that is, TCNT1 for accessing Timer/Counter1 counter value and so on.
A simplified block diagram of the 16-bit Timer/Counter is shown in
the actual placement of I/O pins, see
“Pinout ATmega1281/2561” on page
pins, are shown in bold. The device-specific I/O Register and bit locations are listed in the
ister Description” on page
The Power Reduction Timer/Counter1 bit, PRTIM1, in
page 56
The Power Reduction Timer/Counter3 bit, PRTIM3, in
page 57
The Power Reduction Timer/Counter4 bit, PRTIM4, in
page 57
The Power Reduction Timer/Counter5 bit, PRTIM5, in
page 57
Timer/Counter4 and Timer/Counter5 only have full functionality in the ATmega640/1280/2560.
Input capture and output compare are not available in the ATmega1281/2561.
True 16-bit Design (that is, allows 16-bit PWM)
Three independent Output Compare Units
Double Buffered Output Compare Registers
One Input Capture Unit
Input Capture Noise Canceler
Clear Timer on Compare Match (Auto Reload)
Glitch-free, Phase Correct Pulse Width Modulator (PWM)
Variable PWM Period
Frequency Generator
External Event Counter
Twenty independent interrupt sources (TOV1, OCF1A, OCF1B, OCF1C, ICF1, TOV3, OCF3A,
OCF3B, OCF3C, ICF3, TOV4, OCF4A, OCF4B, OCF4C, ICF4, TOV5, OCF5A, OCF5B, OCF5C and
ICF5)
must be written to zero to enable Timer/Counter1 module.
must be written to zero to enable Timer/Counter3 module.
must be written to zero to enable Timer/Counter4 module.
must be written to zero to enable Timer/Counter5 module.
158.
ATmega640/1280/1281/2560/2561
4. CPU accessible I/O Registers, including I/O bits and I/O
“TQFP-pinout ATmega640/1280/2560” on page 2
“PRR0 – Power Reduction Register 0” on
“PRR1 – Power Reduction Register 1” on
“PRR1 – Power Reduction Register 1” on
“PRR1 – Power Reduction Register 1” on
Figure 16-1 on page
137. For
“Reg-
and
136
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