ATmega1284PR231 Atmel Corporation, ATmega1284PR231 Datasheet - Page 376
ATmega1284PR231
Manufacturer Part Number
ATmega1284PR231
Description
Manufacturer
Atmel Corporation
Datasheets
1.AT86RF231.pdf
(198 pages)
2.ATMEGA1284PR231.pdf
(380 pages)
3.ATMEGA1284PR231.pdf
(20 pages)
Specifications of ATmega1284PR231
Flash (kbytes)
128 Kbytes
Max. Operating Frequency
20 MHz
Max I/o Pins
32
Spi
3
Twi (i2c)
1
Uart
2
Adc Channels
8
Adc Resolution (bits)
10
Adc Speed (ksps)
15
Analog Comparators
1
Crypto Engine
AES
Sram (kbytes)
16
Eeprom (bytes)
4096
Operating Voltage (vcc)
1.8 to 3.6
Timers
3
Frequency Band
2.4 GHz
Max Data Rate (mb/s)
2
Antenna Diversity
Yes
External Pa Control
Yes
Power Output (dbm)
3
Receiver Sensitivity (dbm)
-101
Receive Current Consumption (ma)
13.2
Transmit Current Consumption (ma)
14.4
Link Budget (dbm)
104
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8059D–AVR–11/09
17 USART ................................................................................................... 171
18 USART in SPI Mode ............................................................................. 198
19 2-wire Serial Interface .......................................................................... 207
20 AC - Analog Comparator ..................................................................... 237
16.4Data Modes .........................................................................................................166
16.5Register Description ............................................................................................168
17.1Features ..............................................................................................................171
17.2USART1 and USART0 ........................................................................................171
17.3Overview .............................................................................................................171
17.4Clock Generation .................................................................................................172
17.5Frame Formats ....................................................................................................175
17.6USART Initialization ............................................................................................176
17.7Data Transmission – The USART Transmitter ....................................................177
17.8Data Reception – The USART Receiver .............................................................180
17.9Asynchronous Data Reception ............................................................................184
17.10Multi-processor Communication Mode ..............................................................187
17.11Register Description ..........................................................................................189
17.12Examples of Baud Rate Setting ........................................................................194
18.1Features ..............................................................................................................198
18.2Overview .............................................................................................................198
18.3Clock Generation .................................................................................................198
18.4SPI Data Modes and Timing ...............................................................................199
18.5Frame Formats ....................................................................................................199
18.6Data Transfer ......................................................................................................201
18.7AVR USART MSPIM vs. AVR SPI ......................................................................203
18.8Register Description ............................................................................................204
19.1Features ..............................................................................................................207
19.22-wire Serial Interface Bus Definition ..................................................................207
19.3Data Transfer and Frame Format ........................................................................208
19.4Multi-master Bus Systems, Arbitration and Synchronization ...............................211
19.5Overview of the TWI Module ...............................................................................213
19.6Using the TWI ......................................................................................................215
19.7Transmission Modes ...........................................................................................218
19.8Multi-master Systems and Arbitration ..................................................................231
19.9Register Description ............................................................................................232
ATmega1284P
iv
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