ATMEGA128A-ANR Atmel, ATMEGA128A-ANR Datasheet - Page 135

• Manufacturer Part Number: ATMEGA128A-ANR
• Description: IC MCU AVR 128K FLASH 64TQFP
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA128A-ANR

• 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
• Core: AVR8
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

8151H–AVR–02/11
Table 15-2.
Table 15-3
PWM mode
Table 15-3.
Note:
Table 15-3
correct and frequency correct PWM mode.
COMnA1/COMnB1/
COMnA1/COMnB1/
COMnC1
COMnC1
A special case occurs when OCRnA/OCRnB/OCRnC equals TOP and
COMnA1/COMnB1/COMnC1 is set. In this case the compare match is ignored, but the set or clear
is done at BOTTOM.
0
0
1
1
0
0
1
1
shows the COMnx1:0 bit functionality when the WGMn3:0 bits are set to the phase
shows the COMnx1:0 bit functionality when the WGMn3:0 bits are set to the fast
Compare Output Mode, non-PWM
Compare Output Mode, Fast PWM
See “Fast PWM Mode” on page 126.
COMnA0/COMnB0/
COMnA0/COMnB0/
COMnC0
COMnC0
0
1
0
1
0
1
0
1
Description
Normal port operation, OCnA/OCnB/OCnC
disconnected.
Toggle OCnA/OCnB/OCnC on compare match.
Clear OCnA/OCnB/OCnC on compare match
(set output to low level).
Set OCnA/OCnB/OCnC on compare match (set
output to high level).
Description
Normal port operation, OCnA/OCnB/OCnC
disconnected.
WGMn3:0 = 15: Toggle OCnA on Compare
Match, OCnB/OCnC disconnected (normal port
operation).
For all other WGMn settings, normal port
operation, OCnA/OCnB/OCnC disconnected.
Clear OCnA/OCnB/OCnC on compare match,
set OCnA/OCnB/OCnC at BOTTOM,
(non-inverting mode)
Set OCnA/OCnB/OCnC on compare match,
clear OCnA/OCnB/OCnC at BOTTOM,
(inverting mode)
for more details.
ATmega128A
135