ATMEGA162-16MJ Atmel, ATMEGA162-16MJ Datasheet - Page 138
![IC MCU AVR 16K 5V 16MHZ 44-QFN](/photos/12/13/121316/313-44-qfn_sml.jpg)
ATMEGA162-16MJ
Manufacturer Part Number
ATMEGA162-16MJ
Description
IC MCU AVR 16K 5V 16MHZ 44-QFN
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA162-16MJ
Core Processor
AVR
Core Size
8-Bit
Speed
16MHz
Connectivity
EBI/EMI, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
35
Program Memory Size
16KB (8K 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
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
44-VQFN Exposed Pad
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Data Converters
-
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8-bit
Timer/Counter2
with PWM and
Asynchronous
operation
Overview
Registers
138
ATmega162/V
Timer/Counter2 is a general purpose, single channel, 8-bit Timer/Counter module. The main
features are:
•
•
•
•
•
•
•
A simplified block diagram of the 8-bit Timer/Counter is shown in
ment of I/O pins, refer to
including I/O bits and I/O pins, are shown in bold. The device-specific I/O Register and bit loca-
tions are listed in the
Figure 59. 8-bit Timer/Counter Block Diagram
The Timer/Counter (TCNT2) and Output Compare Register (OCR2) are 8-bit registers. Interrupt
request (shorten as Int.Req.) signals are all visible in the Timer Interrupt Flag Register (TIFR).
All interrupts are individually masked with the Timer Interrupt Mask Register (TIMSK). TIFR and
TIMSK are not shown in the figure since these registers are shared by other timer units.
The Timer/Counter can be clocked internally, via the prescaler, or asynchronously clocked from
the TOSC1/2 pins, as detailed later in this section. The asynchronous operation is controlled by
Single Channel Counter
Clear Timer on Compare Match (Auto Reload)
Glitch-free, Phase Correct Pulse Width Modulator (PWM)
Frequency Generator
10-bit Clock Prescaler
Overflow and Compare Match Interrupt Sources (TOV2 and OCF2)
Allows Clocking from External 32 kHz Watch Crystal Independent of the I/O Clock
Status flags
Timer/Counter
TCNTn
OCRn
“8-bit Timer/Counter Register Description” on page
=
ASSRn
direction
“Pinout ATmega162” on page
count
clear
BOTTOM
Synchronized Status flags
= 0
Control Logic
=
TCCRn
TOP
asynchronous mode
0xFF
select (ASn)
clk
Tn
Synchronization Unit
OCn
(Int.Req.)
Generation
Waveform
Prescaler
2. CPU accessible I/O Registers,
Figure
59. For the actual place-
Oscillator
149.
T/C
TOVn
(Int.Req.)
clk
OCn
clk
clk
I/O
ASY
2513K–AVR–07/09
I/O
TOSC2
TOSC1
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