ATMEGA16A-MUR Atmel, ATMEGA16A-MUR Datasheet - Page 348

• Manufacturer Part Number: ATMEGA16A-MUR
• Description: MCU AVR 16KB FLASH 16MHZ 44QFN
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA16A-MUR

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 16MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 32
• Program Memory Size: 16KB (8K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 512 x 8
• Ram Size: 1K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

19 USART ................................................................................................... 146
20 Two-wire Serial Interface ..................................................................... 175
21 Analog Comparator .............................................................................. 204
22 Analog to Digital Converter ................................................................. 207
iv
18.1
18.2
18.3
18.4
18.5
19.1
19.2
19.3
19.4
19.5
19.6
19.7
19.8
19.9
19.10
19.11
20.1
20.2
20.3
20.4
20.5
20.6
20.7
20.8
20.9
21.1
21.2
22.1
22.2
22.3
22.4
ATmega16A
Features ........................................................................................................136
Overview ........................................................................................................136
SS Pin Functionality ......................................................................................141
Data Modes ...................................................................................................141
Register Description ......................................................................................143
Features ........................................................................................................146
Overview ........................................................................................................146
Clock Generation ...........................................................................................148
Frame Formats ..............................................................................................151
USART Initialization .......................................................................................152
Data Transmission – The USART Transmitter ..............................................153
Data Reception – The USART Receiver .......................................................156
Asynchronous Data Reception ......................................................................160
Multi-processor Communication Mode ..........................................................163
Accessing UBRRH/ UCSRC Registers .........................................................164
Examples of Baud Rate Setting .....................................................................171
Features ........................................................................................................175
Two-wire Serial Interface Bus Definition ........................................................175
Data Transfer and Frame Format ..................................................................176
Multi-master Bus Systems, Arbitration and Synchronization .........................179
Overview of the TWI Module .........................................................................181
Using the TWI ................................................................................................183
Transmission Modes .....................................................................................186
Multi-master Systems and Arbitration ............................................................199
Register Description ......................................................................................200
Analog Comparator Multiplexed Input ...........................................................204
Register Description ......................................................................................205
Features ........................................................................................................207
Overview ........................................................................................................207
Operation .......................................................................................................208
Starting a Conversion ....................................................................................209
8154B–AVR–07/09