ATMEGA128A-AU Atmel, ATMEGA128A-AU Datasheet - Page 384

• Manufacturer Part Number: ATMEGA128A-AU
• Description: MCU 8BIT 128K ISP FLASH 64-TQFP
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA128A-AU

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 16MHz
• 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
• Processor Series: ATMEGA128x
• Core: AVR8
• Data Bus Width: 8 bit
• Data Ram Size: 4 KB
• Interface Type: JTAG
• Maximum Clock Frequency: 16 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
• Development Tools By Supplier: ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKIT
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 10 bit, 8 Channel
• On-chip Dac: 10 bit, 8 Channel
• Cpu Family: ATmega
• Device Core: AVR
• Device Core Size: 8b
• Frequency (max): 16MHz
• 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
• Instruction Set Architecture: RISC
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 64
• Package Type: TQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: Q4784435

vi
ATmega128A
26 Memory Programming ......................................................................... 291
27 Electrical Characteristics .................................................................... 320
28 Typical Characteristics ........................................................................ 337
25.7
25.8
25.9
26.1
26.2
26.3
26.4
26.5
26.6
26.7
26.8
26.9
27.1
27.2
27.3
27.4
27.5
27.6
27.7
27.8
27.9
27.10
28.1
28.2
28.3
28.4
28.5
28.6
28.7
28.8
28.9
28.10
Addressing the Flash During Self-Programming ...........................................282
Self-Programming the Flash ..........................................................................283
Register Description ......................................................................................289
Program and Data Memory Lock Bits ............................................................291
Fuse Bits ........................................................................................................292
Signature Bytes .............................................................................................294
Calibration Byte .............................................................................................294
Parallel Programming Parameters, Pin Mapping, and Commands ...............294
Parallel Programming ....................................................................................296
Serial Downloading ........................................................................................303
SPI Serial Programming Pin Mapping ...........................................................304
Programming Via the JTAG Interface ............................................................308
Absolute Maximum Ratings* .........................................................................320
DC Characteristics .........................................................................................320
Speed Grades ...............................................................................................322
Clock Characteristics .....................................................................................322
System and Reset Characteristics ................................................................323
Two-wire Serial Interface Characteristics ......................................................324
Parallel Programming Characteristics ...........................................................325
SPI Timing Characteristics ............................................................................327
ADC Characteristics ......................................................................................329
External Data Memory Timing .......................................................................331
Active Supply Current ....................................................................................337
Idle Supply Current ........................................................................................341
Power-down Supply Current ..........................................................................344
Power-save Supply Current ...........................................................................345
Standby Supply Current ................................................................................346
Pin Pull-up .....................................................................................................347
Pin Driver Strength ........................................................................................348
Pin Thresholds and Hysteresis ......................................................................350
BOD Thresholds and Analog Comparator Offset ..........................................351
Internal Oscillator Speed ...............................................................................353
8151H–AVR–02/11