ATMEGA32A-ANR Atmel, ATMEGA32A-ANR Datasheet - Page 73
![IC MCU AVR 32K FLASH 44TQFP](/photos/6/70/67042/313-44-tqfp_sml.jpg)
ATMEGA32A-ANR
Manufacturer Part Number
ATMEGA32A-ANR
Description
IC MCU AVR 32K FLASH 44TQFP
Manufacturer
Atmel
Series
AVR® ATmegar
Datasheet
1.ATMEGA32A-MU.pdf
(353 pages)
Specifications of ATMEGA32A-ANR
Core Processor
AVR
Core Size
8-Bit
Speed
16MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
32
Program Memory Size
32KB (16K x 16)
Program Memory Type
FLASH
Eeprom Size
1K x 8
Ram Size
2K 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
44-TQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
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Part Number
Manufacturer
Quantity
Price
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14. 8-bit Timer/Counter0 with PWM
14.1
14.2
14.2.1
8155C–AVR–02/11
Features
Overview
Registers
•
•
•
•
•
•
•
Timer/Counter0 is a general purpose, single compare unit, 8-bit Timer/Counter module. A simpli-
fied block diagram of the 8-bit Timer/Counter is shown in
of I/O pins, refer to
bits and I/O pins, are shown in bold. The device-specific I/O Register and bit locations are listed
in the
Figure 14-1. 8-bit Timer/Counter Block Diagram
The Timer/Counter (TCNT0) and Output Compare Register (OCR0) are 8-bit registers. Interrupt
request (abbreviated to Int.Req. in the figure) signals are all visible in the Timer Interrupt Flag
Register (TIFR). All interrupts are individually masked with the Timer Interrupt Mask Register
Single Compare Unit Counter
Clear Timer on Compare Match (Auto Reload)
Glitch-free, Phase Correct Pulse Width Modulator (PWM)
Frequency Generator
External Event Counter
10-bit Clock Prescaler
Overflow and Compare Match Interrupt Sources (TOV0 and OCF0)
“Register Description” on page
Timer/Counter
“Pinout ATmega32A” on page
TCNTn
OCRn
=
direction
BOTTOM
count
clear
= 0
84.
Control Logic
=
TCCRn
TOP
0xFF
2. CPU accessible I/O Registers, including I/O
clk
Figure
Tn
Generation
Waveform
14-1. For the actual placement
Clock Select
( From Prescaler )
Detector
Edge
ATmega32A
OCn
(Int.Req.)
TOVn
(Int.Req.)
OCn
Tn
73
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