ATMEGA406-1AAU Atmel, ATMEGA406-1AAU Datasheet - Page 198
![IC AVR MCU 40K 1MHZ 48LQFP](/photos/6/76/67647/453-48-lqfp_sml.jpg)
ATMEGA406-1AAU
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
ATMEGA406-1AAU
Manufacturer:
AT
Quantity:
20 000
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28.3
28.4
28.5
198
Signature Bytes
Calibration Bytes
Page Size
ATmega406
All Atmel microcontrollers have a three-byte signature code which identifies the device. This
code can be read in both serial and parallel mode, also when the device is locked. The three
bytes reside in a separate address space.
For the ATmega406 the signature bytes are:
1. 0x000: 0x1E (indicates manufactured by Atmel).
2. 0x001: 0x95 (indicates 40KB Flash memory).
3. 0x002: 0x07(indicates ATmega406 device when 0x001 is 0x95).
The ATmega406 has calibration bytes for the Fast RC Oscillator, Slow RC Oscillator, internal
voltage reference, internal temperature reference and each differential cell voltage input. These
bytes reside in the high bytes in the signature address space. During Reset, the calibration byte
for the Fast RC Oscillator is automatically written into the corresponding calibration register. The
other calibration bytes should be handled by the application software. See
ture Row from Software” on page 189
Table 28-5.
Table 28-6.
20K words (40K bytes)
EEPROM Size
Flash Size
512 bytes
No. of Words in a Page and No. of Pages in the Flash
No. of Words in a Page and No. of Pages in the EEPROM
Page Size
Page Size
4 bytes
64 words
for details.
PCWORD
EEA[1:0]
PCWORD
PC[5:0]
No. of Pages
No. of Pages
128
320
PCPAGE
EEA[8:2]
PCPAGE
PC[14:6]
”Reading the Signa-
2548E–AVR–07/06
EEAMSB
PCMSB
14
8
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