ATMEGA406-1AAU Atmel, ATMEGA406-1AAU Datasheet - Page 257

• Manufacturer Part Number: ATMEGA406-1AAU
• Description: IC AVR MCU 40K 1MHZ 48LQFP
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA406-1AAU

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 1MHz
• Connectivity: I²C
• Peripherals: POR, WDT
• Number Of I /o: 18
• Program Memory Size: 40KB (20K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 512 x 8
• Ram Size: 2K x 8
• Voltage - Supply (vcc/vdd): 4 V ~ 25 V
• Data Converters: A/D 10x12b
• Oscillator Type: Internal
• Operating Temperature: -30°C ~ 85°C
• Package / Case: 48-LQFP
• Processor Series: ATMEGA48x
• Core: AVR8
• Data Bus Width: 8 bit
• Data Ram Size: 2 KB
• Interface Type: 2-Wire
• Maximum Clock Frequency: 1 MHz
• Number Of Programmable I/os: 18
• Number Of Timers: 2
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: EWAVR, EWAVR-BL
• Development Tools By Supplier: ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKIT
• Minimum Operating Temperature: - 30 C
• Cpu Family: ATmega
• Device Core: AVR
• Device Core Size: 8b
• Frequency (max): 1MHz
• Total Internal Ram Size: 2KB
• # I/os (max): 18
• Number Of Timers - General Purpose: 2
• Operating Supply Voltage (typ): 5/9/12/15/18/24V
• Operating Supply Voltage (max): 25V
• Operating Supply Voltage (min): 4V
• On-chip Adc: 10-chx12-bit
• Instruction Set Architecture: RISC
• Operating Temp Range: -30C to 85C
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 48
• Package Type: LQFP
• Controller Family/series: AVR MEGA
• No. Of I/o's: 18
• Eeprom Memory Size: 512Byte
• Ram Memory Size: 2KB
• Cpu Speed: 1MHz
• Rohs Compliant: Yes
• For Use With: 770-1007 - ISP 4PORT ATMEL AVR MCU SPI/JTAG770-1005 - ISP 4PORT FOR ATMEL AVR MCU JTAG770-1004 - ISP 4PORT FOR ATMEL AVR MCU SPI
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Table of Contents
2548E–AVR–07/06
1
2
3
4
5
6
7
Features ..................................................................................................... 1
Pin Configurations ................................................................................... 2
Overview ................................................................................................... 3
Resources ................................................................................................. 7
About Code Examples ............................................................................. 7
AVR CPU Core .......................................................................................... 8
AVR Memories ........................................................................................ 16
System Clock and Clock Options ......................................................... 25
1.1 Disclaimer .................................................................................................................2
2.1 Block Diagram ..........................................................................................................3
2.2 Pin Descriptions .......................................................................................................5
5.1 Introduction ...............................................................................................................8
5.2 Architectural Overview .............................................................................................8
5.3 ALU – Arithmetic Logic Unit .....................................................................................9
5.4 Status Register .......................................................................................................10
5.5 General Purpose Register File ...............................................................................11
5.6 Stack Pointer ..........................................................................................................12
5.7 Instruction Execution Timing ..................................................................................13
5.8 Reset and Interrupt Handling .................................................................................14
6.1 In-System Reprogrammable Flash Program Memory ............................................16
6.2 SRAM Data Memory ..............................................................................................17
6.3 EEPROM Data Memory .........................................................................................18
6.4 I/O Memory .............................................................................................................24
7.1 Clock Systems and their Distribution ......................................................................25
7.2 Clock Sources ........................................................................................................26
7.3 Calibrated Fast RC Oscillator .................................................................................26
7.4 32 kHz Crystal Oscillator ........................................................................................27
7.5 Slow RC Oscillator .................................................................................................27
7.6 Ultra Low Power RC Oscillator ...............................................................................27
7.7 CPU, I/O, Flash, and Voltage ADC Clock ...............................................................27
7.8 Coulomb Counter ADC and Wake-up Timer Clock ................................................28
7.9 Watchdog Timer and Battery Protection Clock .......................................................28
ATmega406
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