ATMEGA128A-AU Atmel, ATMEGA128A-AU Datasheet - Page 381

• 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

8151H–AVR–02/11
15 16-bit Timer/Counter (Timer/Counter1 and Timer/Counter3) ........... 112
16 Timer/Counter3, Timer/Counter2, and Timer/Counter1 Prescalers . 145
17 8-bit Timer/Counter2 with PWM .......................................................... 148
14.3
14.4
14.5
14.6
14.7
14.8
14.9
14.10
14.11
15.1
15.2
15.3
15.4
15.5
15.6
15.7
15.8
15.9
15.10
15.11
16.1
16.2
16.3
16.4
17.1
17.2
17.3
17.4
17.5
17.6
17.7
17.8
Timer/Counter Clock Sources .........................................................................94
Counter Unit ....................................................................................................94
Output Compare Unit .......................................................................................95
Compare Match Output Unit ............................................................................97
Modes of Operation .........................................................................................98
Timer/Counter Timing Diagrams ...................................................................102
Asynchronous Operation of Timer/Counter0 .................................................104
Timer/Counter Prescaler ...............................................................................106
Register Description ......................................................................................106
Features ........................................................................................................112
Overview ........................................................................................................112
Accessing 16-bit Registers ............................................................................115
Timer/Counter Clock Sources .......................................................................118
Counter Unit ..................................................................................................118
Input Capture Unit .........................................................................................120
Output Compare Units ...................................................................................122
Compare Match Output Unit ..........................................................................124
Modes of Operation .......................................................................................125
Timer/Counter Timing Diagrams ...................................................................132
Register Description ......................................................................................134
Internal Clock Source ....................................................................................145
Prescaler Reset .............................................................................................145
External Clock Source ...................................................................................145
Register Description ......................................................................................146
Features ........................................................................................................148
Overview ........................................................................................................148
Timer/Counter Clock Sources .......................................................................149
Counter Unit ..................................................................................................149
Output Compare Unit .....................................................................................150
Compare Match Output Unit ..........................................................................152
Modes of Operation .......................................................................................153
Timer/Counter Timing Diagrams ...................................................................157
ATmega128A
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