ATMEGA8A-PU Atmel, ATMEGA8A-PU Datasheet - Page 47

MCU AVR 8K FLASH 16MHZ 28-PDIP

ATMEGA8A-PU

Manufacturer Part Number
ATMEGA8A-PU
Description
MCU AVR 8K FLASH 16MHZ 28-PDIP
Manufacturer
Atmel
Series
AVR® ATmegar
Datasheets

Specifications of ATMEGA8A-PU

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 6x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
28-DIP (0.300", 7.62mm)
Processor Series
ATMEGA8x
Core
AVR8
Data Bus Width
8 bit
Data Ram Size
1 KB
Interface Type
SPI, TWI, USART
Maximum Clock Frequency
16 MHz
Number Of Programmable I/os
23
Number Of Timers
3
Maximum Operating Temperature
+ 85 C
Mounting Style
Through Hole
3rd Party Development Tools
EWAVR, EWAVR-BL
Development Tools By Supplier
ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKIT
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 6 Channel
Package
28PDIP
Device Core
AVR
Family Name
ATmega
Maximum Speed
16 MHz
Operating Supply Voltage
3.3|5 V
Controller Family/series
AVR MEGA
No. Of I/o's
23
Eeprom Memory Size
512Byte
Ram Memory Size
1KB
Cpu Speed
16MHz
Rohs Compliant
Yes
For Use With
ATSTK600 - DEV KIT FOR AVR/AVR32ATSTK500 - PROGRAMMER AVR STARTER KIT
Lead Free Status / RoHS Status
Lead free / RoHS Compliant

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
ATMEGA8A-PU
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
8159D–AVR–02/11
When the BOOTRST Fuse is unprogrammed, the boot section size set to 2K bytes and the
IVSEL bit in the GICR Register is set before any interrupts are enabled, the most typical and
general program setup for the Reset and Interrupt Vector Addresses is:
When the BOOTRST Fuse is programmed and the boot section size set to 2K bytes, the most
typical and general program setup for the Reset and Interrupt Vector Addresses is:
AddressLabels Code
$000
;
$001
$002
$003
$004
$005
$006
;
.org $c01
$c01
$c02
:.
$c12
AddressLabels Code
.org $001
$001
$002
:.
$012
;
.org $c00
$c00
;
$c01
$c02
$c03
$c04
$c05
$c06
RESET:ldi
RESET:ldi
rjmp
out
ldi
out
sei
<instr>
rjmp
rjmp
:.
rjmp
rjmp
rjmp
:.
rjmp
rjmp
out
ldi
out
sei
<instr>
RESET
r16,high(RAMEND); Main program start
SPH,r16
r16,low(RAMEND)
SPL,r16
EXT_INT0
EXT_INT1
:. ;
SPM_RDY
EXT_INT0
EXT_INT1
:.
SPM_RDY
RESET
r16,high(RAMEND); Main program start
SPH,r16
r16,low(RAMEND)
SPL,r16
xxx
xxx
; Enable interrupts
; IRQ0 Handler
; IRQ1 Handler
; Store Program Memory Ready Handler
Comments
; IRQ0 Handler
; IRQ1 Handler
;
; Store Program Memory Ready Handler
; Reset handler
; Set Stack Pointer to top of RAM
; Enable interrupts
Comments
; Reset handler
; Set Stack Pointer to top of RAM
ATmega8A
47

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