ATMEGA128L-8AU Atmel, ATMEGA128L-8AU Datasheet - Page 383

• Manufacturer Part Number: ATMEGA128L-8AU
• Description: IC AVR MCU 128K 8MHZ 3V 64TQFP
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA128L-8AU

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 8MHz
• Connectivity: EBI/EMI, I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 53
• Program Memory Size: 128KB (64K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 4K x 8
• Ram Size: 4K 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: 64-TQFP, 64-VQFP
• Cpu Family: ATmega
• Device Core: AVR
• Device Core Size: 8b
• Frequency (max): 8MHz
• Interface Type: 2-Wire/JTAG/USART
• Total Internal Ram Size: 4KB
• # I/os (max): 53
• Number Of Timers - General Purpose: 4
• Operating Supply Voltage (typ): 3.3/5V
• Operating Supply Voltage (max): 5.5V
• Operating Supply Voltage (min): 2.7V
• On-chip Adc: 8-chx10-bit
• Instruction Set Architecture: RISC
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 64
• Package Type: TQFP
• Processor Series: ATMEGA128x
• Core: AVR8
• Data Bus Width: 8 bit
• Data Ram Size: 4 KB
• Maximum Clock Frequency: 8 MHz
• Number Of Programmable I/os: 53
• Number Of Timers: 4
• Operating Supply Voltage: 2.7 V to 5.5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: EWAVR, EWAVR-BL
• Minimum Operating Temperature: - 40 C
• A/d Inputs: 8-Channel, 10-Bit
• Cpu Speed: 8 MIPS
• Eeprom Memory: 4K Bytes
• Input Output: 53
• Interface: 2-Wire/JTAG/SPI/USART
• Memory Type: Flash
• Number Of Bits: 8
• Programmable Memory: 128K Bytes
• Timers: 2-8-bit, 2-16-bit
• Voltage, Range: 4.5-5.5 V
• Controller Family/series: AVR MEGA
• No. Of I/o's: 53
• Eeprom Memory Size: 4096Byte
• Ram Memory Size: 4KB
• Rohs Compliant: Yes
• For Use With: ATSTK600-TQFP64 - STK600 SOCKET/ADAPTER 64-TQFP770-1007 - ISP 4PORT ATMEL AVR MCU SPI/JTAG770-1005 - ISP 4PORT FOR ATMEL AVR MCU JTAG770-1004 - ISP 4PORT FOR ATMEL AVR MCU SPIATAVRISP2 - PROGRAMMER AVR IN SYSTEMATJTAGICE2 - AVR ON-CHIP D-BUG SYSTEMATSTK501 - ADAPTER KIT FOR 64PIN AVR MCUATSTK500 - PROGRAMMER AVR STARTER KIT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Table of Contents
2467M–AVR–11/04
Features................................................................................................ 1
Pin Configurations............................................................................... 2
Overview............................................................................................... 2
About Code Examples......................................................................... 7
AVR CPU Core ..................................................................................... 8
AVR ATmega128 Memories .............................................................. 16
System Clock and Clock Options .................................................... 34
Power Management and Sleep Modes............................................. 42
Block Diagram ...................................................................................................... 3
ATmega103 and ATmega128 Compatibility ......................................................... 4
Pin Descriptions.................................................................................................... 5
Introduction ........................................................................................................... 8
Architectural Overview.......................................................................................... 8
ALU – Arithmetic Logic Unit.................................................................................. 9
Status Register ..................................................................................................... 9
General Purpose Register File ........................................................................... 10
Stack Pointer ...................................................................................................... 12
Instruction Execution Timing............................................................................... 13
Reset and Interrupt Handling.............................................................................. 13
In-System Reprogrammable Flash Program Memory ........................................ 16
SRAM Data Memory........................................................................................... 17
EEPROM Data Memory...................................................................................... 19
I/O Memory ......................................................................................................... 24
External Memory Interface.................................................................................. 24
Clock Systems and their Distribution .................................................................. 34
Clock Sources..................................................................................................... 35
Default Clock Source .......................................................................................... 35
Crystal Oscillator................................................................................................. 36
Low-frequency Crystal Oscillator ........................................................................ 37
External RC Oscillator ........................................................................................ 38
Calibrated Internal RC Oscillator ........................................................................ 39
External Clock..................................................................................................... 40
Timer/Counter Oscillator..................................................................................... 41
Idle Mode ............................................................................................................ 43
ADC Noise Reduction Mode............................................................................... 43
Power-down Mode.............................................................................................. 43
Power-save Mode............................................................................................... 43
Standby Mode..................................................................................................... 44
Extended Standby Mode .................................................................................... 44
ATmega128
i