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