ATMEGA128L-8AU Atmel, ATMEGA128L-8AU Datasheet - Page 384

• 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

ii
ATmega128
System Control and Reset ................................................................ 47
Interrupts ............................................................................................ 57
I/O Ports.............................................................................................. 63
External Interrupts............................................................................. 87
8-bit Timer/Counter0 with PWM and Asynchronous Operation .... 90
16-bit Timer/Counter (Timer/Counter1 and Timer/Counter3)....... 109
Timer/Counter3, Timer/Counter2, and Timer/Counter1 Prescalers ...
142
8-bit Timer/Counter2 with PWM...................................................... 144
Minimizing Power Consumption ......................................................................... 45
Internal Voltage Reference ................................................................................. 52
Watchdog Timer ................................................................................................. 52
Timed Sequences for Changing the Configuration of the Watchdog Timer ....... 55
Interrupt Vectors in ATmega128......................................................................... 57
Introduction ......................................................................................................... 63
Ports as General Digital I/O ................................................................................ 64
Alternate Port Functions ..................................................................................... 68
Register Description for I/O Ports ....................................................................... 84
Overview............................................................................................................. 90
Timer/Counter Clock Sources............................................................................. 91
Counter Unit........................................................................................................ 91
Output Compare Unit.......................................................................................... 92
Compare Match Output Unit ............................................................................... 94
Modes of Operation ............................................................................................ 95
Timer/Counter Timing Diagrams......................................................................... 99
8-bit Timer/Counter Register Description ......................................................... 101
Asynchronous Operation of the Timer/Counter ................................................ 104
Timer/Counter Prescaler................................................................................... 107
Overview........................................................................................................... 109
Accessing 16-bit Registers ............................................................................... 112
Timer/Counter Clock Sources........................................................................... 115
Counter Unit...................................................................................................... 115
Input Capture Unit............................................................................................. 116
Output Compare Units ...................................................................................... 118
Compare Match Output Unit ............................................................................. 120
Modes of Operation .......................................................................................... 121
Timer/Counter Timing Diagrams....................................................................... 128
16-bit Timer/Counter Register Description ....................................................... 131
2467M–AVR–11/04