ATMEGA2560R231-CU Atmel, ATMEGA2560R231-CU Datasheet - Page 439

• Manufacturer Part Number: ATMEGA2560R231-CU
• Description: BUNDLE ATMEGA2560/RF231 PBGA
• Manufacturer: Atmel

Specifications of ATMEGA2560R231-CU

• Frequency: 2.4GHz
• Modulation Or Protocol: 802.15.4 Zigbee, 6LoWPAN, RF4CE, SP100, WirelessHART™, ISM
• Data Interface: PCB, Surface Mount
• Memory Size: 256kB Flash, 4kB EEPROM, 8kB RAM
• Antenna Connector: PCB, Surface Mount
• Package / Case: 100-CBGA and 32-QFN
• Processor Series: ATMEGA256x
• Core: AVR8
• Data Bus Width: 8 bit
• Program Memory Type: Flash
• Program Memory Size: 256 KB
• Data Ram Size: 8 KB
• Development Tools By Supplier: ATAVRRZ541, ATAVRRAVEN, ATAVRRZRAVEN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Voltage - Supply: -
• Power - Output: -
• Operating Temperature: -
• Applications: -
• Sensitivity: -
• Data Rate - Maximum: -
• Current - Transmitting: -
• Current - Receiving: -
• Lead Free Status / Rohs Status: Details

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
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