ATMEGA128-16AI Atmel, ATMEGA128-16AI Datasheet - Page 381

IC AVR MCU 128K 16MHZ 64-TQFP

ATMEGA128-16AI

Manufacturer Part Number
ATMEGA128-16AI
Description
IC AVR MCU 128K 16MHZ 64-TQFP
Manufacturer
Atmel
Series
AVR® ATmegar
Datasheets

Specifications of ATMEGA128-16AI

Core Processor
AVR
Core Size
8-Bit
Speed
16MHz
Connectivity
EBI/EMI, I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
53
Program Memory Size
128KB (64K x 16)
Program Memory Type
FLASH
Eeprom Size
4K x 8
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
64-TQFP, 64-VQFP
For Use With
ATSTK501 - ADAPTER KIT FOR 64PIN AVR MCU
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Other names
Q1167170A

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2467V–AVR–02/11
Timer/Counter3, Timer/Counter2, and Timer/Counter1 Prescalers
143
8-bit Timer/Counter2 with PWM 145
Output Compare Modulator (OCM1C2) 161
Serial Peripheral Interface – SPI 163
USART 171
Two-wire Serial Interface 198
Analog Comparator 227
Overview 145
Timer/Counter Clock Sources 146
Counter Unit 146
Output Compare Unit 147
Compare Match Output Unit 148
Modes of Operation 149
Timer/Counter Timing Diagrams 155
8-bit Timer/Counter Register Description 157
Overview 161
Description 161
SS Pin Functionality 167
Data Modes 170
Overview 171
Clock Generation 173
Frame Formats 176
USART Initialization 177
Data Transmission – The USART Transmitter 178
Data Reception – The USART Receiver 180
Multi-processor Communication Mode 187
USART Register Description 189
Examples of Baud Rate Setting 194
Features 198
Two-wire Serial Interface Bus Definition 198
Data Transfer and Frame Format 199
Multi-master Bus Systems, Arbitration and Synchronization 201
Overview of the TWI Module 204
TWI Register Description 206
Using the TWI 208
Transmission Modes 213
Multi-master Systems and Arbitration 225
Analog Comparator Multiplexed Input 228
ATmega128
iii

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