ATMEGA88-20MUR Atmel, ATMEGA88-20MUR Datasheet - Page 129

• Manufacturer Part Number: ATMEGA88-20MUR
• Description: MCU AVR 8K FLASH 20MHZ 32QFN
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA88-20MUR

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 23
• Program Memory Size: 8KB (4K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 512 x 8
• Ram Size: 1K 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: *
• Cpu Family: ATmega
• Device Core: AVR
• Device Core Size: 8b
• Frequency (max): 20MHz
• Interface Type: SPI/TWI/USART
• Total Internal Ram Size: 1KB
• # I/os (max): 23
• Number Of Timers - General Purpose: 3
• 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: 32
• Package Type: MLF EP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

2545T–AVR–05/11
Figure 16-13
Figure 16-13. Timer/counter timing diagram, with prescaler (f
and ICF n
(PC and PFC PWM)
TOVn
(CTC and FPWM)
(update at TOP)
(clk
clk
TCNTn
TCNTn
OCRnx
clk
as TOP)
I/O
(FPWM)
shows the same timing data, but with the prescaler enabled.
I/O
Tn
/8)
(if used
TOP - 1
TOP - 1
Old OCRnx value
TOP
TOP
clk_I/O
ATmega48/88/168
BOTTOM
TOP - 1
/8).
New OCRnx value
BOTTOM + 1
TOP - 2
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