ATMEGA8A-AUR Atmel, ATMEGA8A-AUR Datasheet - Page 306
ATMEGA8A-AUR
Manufacturer Part Number
ATMEGA8A-AUR
Description
MCU AVR 8KB FLASH 16MHZ 32TQFP
Manufacturer
Atmel
Series
AVR® ATmegar
Datasheet
1.ATMEGA8A-MU.pdf
(308 pages)
Specifications of ATMEGA8A-AUR
Core Processor
AVR
Core Size
8-Bit
Speed
16MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
23
Program Memory Size
8KB (4K 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
*
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
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8159D–AVR–02/11
23 Boot Loader Support – Read-While-Write Self-Programming ......... 212
24 Memory Programming ......................................................................... 226
25 Electrical Characteristics .................................................................... 244
26 Typical Characteristics ........................................................................ 252
22.8
23.1
23.2
23.3
23.4
23.5
23.6
23.7
23.8
23.9
24.1
24.2
24.3
24.4
24.5
24.6
24.7
24.8
24.9
25.1
25.2
25.3
25.4
25.5
25.6
25.7
25.8
26.1
26.2
26.3
26.4
Register Description ......................................................................................208
Features ........................................................................................................212
Overview ........................................................................................................212
Application and Boot Loader Flash Sections .................................................212
Read-While-Write and No Read-While-Write Flash Sections ........................213
Boot Loader Lock Bits ...................................................................................215
Entering the Boot Loader Program ................................................................216
Addressing the Flash During Self-Programming ...........................................217
Self-Programming the Flash ..........................................................................218
Register Description ......................................................................................224
Program And Data Memory Lock Bits ...........................................................226
Fuse Bits ........................................................................................................227
Signature Bytes .............................................................................................228
Calibration Byte .............................................................................................228
Page Size ......................................................................................................229
Parallel Programming Parameters, Pin Mapping, and Commands ...............229
Parallel Programming ....................................................................................231
Serial Downloading ........................................................................................239
Serial Programming Pin Mapping ..................................................................239
Absolute Maximum Ratings* .........................................................................244
DC Characteristics .........................................................................................244
Speed Grades ...............................................................................................246
Clock Characteristics .....................................................................................246
System and Reset Characteristics ................................................................247
Two-wire Serial Interface Characteristics ......................................................248
SPI Timing Characteristics ............................................................................249
ADC Characteristics ......................................................................................251
Active Supply Current ....................................................................................252
Idle Supply Current ........................................................................................256
Power-down Supply Current ..........................................................................259
Power-save Supply Current ...........................................................................260
ATmega8A
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