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8L-8PU Schematic ( Datenblatt PDF ) - ATMEL Corporation

Teilenummer 8L-8PU
Beschreibung ATMEGA8L-8PU
Hersteller ATMEL Corporation
Logo ATMEL Corporation Logo 

Gesamt 23 Seiten
		
8L-8PU Datasheet, Funktion
Features
High-performance, Low-power AVR® 8-bit Microcontroller
Advanced RISC Architecture
– 130 Powerful Instructions – Most Single-clock Cycle Execution
– 32 x 8 General Purpose Working Registers
– Fully Static Operation
– Up to 16 MIPS Throughput at 16 MHz
– On-chip 2-cycle Multiplier
Nonvolatile Program and Data Memories
– 8K Bytes of In-System Self-Programmable Flash
Endurance: 10,000 Write/Erase Cycles
– Optional Boot Code Section with Independent Lock Bits
In-System Programming by On-chip Boot Program
True Read-While-Write Operation
– 512 Bytes EEPROM
Endurance: 100,000 Write/Erase Cycles
www.Dat1aKShBeyette4UIn.ctoemrnal SRAM
– Programming Lock for Software Security
Peripheral Features
– Two 8-bit Timer/Counters with Separate Prescaler, one Compare Mode
– One 16-bit Timer/Counter with Separate Prescaler, Compare Mode, and Capture
Mode
– Real Time Counter with Separate Oscillator
– Three PWM Channels
– 8-channel ADC in TQFP and QFN/MLF package
Eight Channels 10-bit Accuracy
– 6-channel ADC in PDIP package
Eight Channels 10-bit Accuracy
– Byte-oriented Two-wire Serial Interface
– Programmable Serial USART
– Master/Slave SPI Serial Interface
– Programmable Watchdog Timer with Separate On-chip Oscillator
– On-chip Analog Comparator
Special Microcontroller Features
– Power-on Reset and Programmable Brown-out Detection
– Internal Calibrated RC Oscillator
– External and Internal Interrupt Sources
– Five Sleep Modes: Idle, ADC Noise Reduction, Power-save, Power-down, and
Standby
I/O and Packages
– 23 Programmable I/O Lines
– 28-lead PDIP, 32-lead TQFP, and 32-pad QFN/MLF
Operating Voltages
– 2.7 - 5.5V (ATmega8L)
– 4.5 - 5.5V (ATmega8)
Speed Grades
– 0 - 8 MHz (ATmega8L)
– 0 - 16 MHz (ATmega8)
Power Consumption at 4 Mhz, 3V, 25°C
– Active: 3.6 mA
– Idle Mode: 1.0 mA
– Power-down Mode: 0.5 µA
8-bit
with 8K Bytes
In-System
Programmable
Flash
ATmega8
ATmega8L
2486QS–AVR–10/06






8L-8PU Datasheet, Funktion
AVCC
AREF
AVCC is the supply voltage pin for the A/D Converter, Port C (3..0), and ADC (7..6). It
should be externally connected to VCC, even if the ADC is not used. If the ADC is used,
it should be connected to VCC through a low-pass filter. Note that Port C (5..4) use digital
supply voltage, VCC.
AREF is the analog reference pin for the A/D Converter.
ADC7..6 (TQFP and QFN/MLF
Package Only)
In the TQFP and QFN/MLF package, ADC7..6 serve as analog inputs to the A/D con-
verter. These pins are powered from the analog supply and serve as 10-bit ADC
channels.
www.DataSheet4U.com
6 ATmega8(L)
2486QS–AVR–10/06

6 Page







8L-8PU pdf, datenblatt
Instruction Set Summary (Continued)
CLT
SEH
CLH
MCU CONTROL INSTRUCTIONS
NOP
SLEEP
WDR
Clear T in SREG
Set Half Carry Flag in SREG
Clear Half Carry Flag in SREG
No Operation
Sleep
Watchdog Reset
T0
H1
H0
(see specific descr. for Sleep function)
(see specific descr. for WDR/timer)
T
H
H
None
None
None
1
1
1
1
1
1
www.DataSheet4U.com
12 ATmega8(L)
2486QS–AVR–10/06

12 Page


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