ATMEGA48P-20MMUR Atmel, ATMEGA48P-20MMUR Datasheet - Page 92

• Manufacturer Part Number: ATMEGA48P-20MMUR
• Description: MCU AVR 4K FLASH 20MHZ 28QFN
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA48P-20MMUR

• 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: 4KB (2K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 256 x 8
• Ram Size: 512 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: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

14. 8-bit Timer/Counter0 with PWM
14.1
14.2
8025L–AVR–7/10
Features
Overview
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Timer/Counter0 is a general purpose 8-bit Timer/Counter module, with two independent Output
Compare Units, and with PWM support. It allows accurate program execution timing (event man-
agement) and wave generation.
A simplified block diagram of the 8-bit Timer/Counter is shown in
placement of I/O pins, refer to
Registers, including I/O bits and I/O pins, are shown in bold. The device-specific I/O Register
and bit locations are listed in the
The PRTIM0 bit in
enable Timer/Counter0 module.
Two Independent Output Compare Units
Double Buffered Output Compare Registers
Clear Timer on Compare Match (Auto Reload)
Glitch Free, Phase Correct Pulse Width Modulator (PWM)
Variable PWM Period
Frequency Generator
Three Independent Interrupt Sources (TOV0, OCF0A, and OCF0B)
”Minimizing Power Consumption” on page 43
”Pinout ATmega48P/88P/168P” on page
”Register Description” on page
ATmega48P/88P/168P
104.
Figure
must be written to zero to
2. CPU accessible I/O
14-1. For the actual
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