ATMEGA256RZAV-8AU Atmel, ATMEGA256RZAV-8AU Datasheet - Page 439

MCU ATMEGA2561/AT86RF230 64-TQFP

ATMEGA256RZAV-8AU

Manufacturer Part Number
ATMEGA256RZAV-8AU
Description
MCU ATMEGA2561/AT86RF230 64-TQFP
Manufacturer
Atmel
Series
ATMEGAr
Datasheets

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
2549M–AVR–09/10
19 8-bit Timer/Counter2 with PWM and Asynchronous Operation ...... 174
20 SPI – Serial Peripheral Interface ......................................................... 195
21 USART ................................................................................................... 205
22 USART in SPI Mode ............................................................................. 232
18.1
18.2
19.1
19.2
19.3
19.4
19.5
19.6
19.7
19.8
19.9
19.10
20.1
20.2
21.1
21.2
21.3
21.4
21.5
21.6
21.7
21.8
21.9
21.10
22.1
22.2
22.3
22.4
22.5
22.6
Overview ........................................................................................................172
Description .....................................................................................................172
Overview ........................................................................................................174
Timer/Counter Clock Sources .......................................................................175
Counter Unit ..................................................................................................175
Modes of Operation .......................................................................................176
Output Compare Unit .....................................................................................180
Compare Match Output Unit ..........................................................................182
Timer/Counter Timing Diagrams ...................................................................183
Asynchronous Operation of Timer/Counter2 .................................................184
Timer/Counter Prescaler ...............................................................................186
Register Description ......................................................................................187
SS Pin Functionality ......................................................................................200
Register Description ......................................................................................202
Features ........................................................................................................205
Clock Generation ...........................................................................................206
Frame Formats ..............................................................................................209
USART Initialization .......................................................................................210
Data Transmission – The USART Transmitter ..............................................212
Data Reception – The USART Receiver .......................................................214
Asynchronous Data Reception ......................................................................218
Multi-processor Communication Mode ..........................................................221
Register Description ......................................................................................222
Examples of Baud Rate Setting .....................................................................227
Overview ........................................................................................................232
USART MSPIM vs. SPI .................................................................................232
SPI Data Modes and Timing ..........................................................................233
Frame Formats ..............................................................................................234
Data Transfer .................................................................................................236
USART MSPIM Register Description ............................................................237
ATmega640/1280/1281/2560/2561
iv

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