ATMEGA165-16AI Atmel, ATMEGA165-16AI Datasheet - Page 333

• Manufacturer Part Number: ATMEGA165-16AI
• Description: IC AVR MCU 16K 16MHZ 64TQFP
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA165-16AI

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 16MHz
• Connectivity: SPI, UART/USART, USI
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 54
• 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: 64-TQFP, 64-VQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

2573G–AVR–07/09
Serial Peripheral Interface – SPI..................................................... 139
USART .............................................................................................. 148
USI – Universal Serial Interface...................................................... 175
Analog Comparator ......................................................................... 186
Analog to Digital Converter ............................................................ 189
JTAG Interface and On-chip Debug System ................................. 206
Counter Unit...................................................................................................... 121
Output Compare Unit........................................................................................ 122
Compare Match Output Unit ............................................................................. 124
Modes of Operation .......................................................................................... 125
Timer/Counter Timing Diagrams....................................................................... 129
8-bit Timer/Counter Register Description ......................................................... 131
Asynchronous operation of the Timer/Counter ................................................. 134
Timer/Counter Prescaler................................................................................... 138
SS Pin Functionality.......................................................................................... 144
Data Modes ...................................................................................................... 147
Overview........................................................................................................... 148
Clock Generation .............................................................................................. 149
Frame Formats ................................................................................................. 152
USART Initialization.......................................................................................... 153
Data Transmission – The USART Transmitter ................................................. 155
Data Reception – The USART Receiver .......................................................... 158
Asynchronous Data Reception ......................................................................... 161
Multi-processor Communication Mode ............................................................. 165
USART Register Description ............................................................................ 166
Examples of Baud Rate Setting........................................................................ 171
Overview........................................................................................................... 175
Functional Descriptions .................................................................................... 176
Alternative USI Usage ...................................................................................... 181
USI Register Descriptions................................................................................. 181
Analog Comparator Multiplexed Input .............................................................. 188
Features............................................................................................................ 189
Operation .......................................................................................................... 190
Starting a Conversion ....................................................................................... 191
Prescaling and Conversion Timing ................................................................... 192
Changing Channel or Reference Selection ...................................................... 195
ADC Noise Canceler......................................................................................... 196
ADC Conversion Result.................................................................................... 200
Overview........................................................................................................... 206
Test Access Port – TAP.................................................................................... 206
ATmega165/V
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