Electronic Components Datasheet Search
  English  ▼
ALLDATASHEET.COM

X  

ATMEGA165P Datasheet(PDF) 93 Page - ATMEL Corporation

Part # ATMEGA165P
Description  8-bit AVR Microcontroller with 16K Bytes In-System Programmable Flash
Download  365 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Manufacturer  ATMEL [ATMEL Corporation]
Direct Link  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

ATMEGA165P Datasheet(HTML) 93 Page - ATMEL Corporation

Back Button ATMEGA165P Datasheet HTML 89Page - ATMEL Corporation ATMEGA165P Datasheet HTML 90Page - ATMEL Corporation ATMEGA165P Datasheet HTML 91Page - ATMEL Corporation ATMEGA165P Datasheet HTML 92Page - ATMEL Corporation ATMEGA165P Datasheet HTML 93Page - ATMEL Corporation ATMEGA165P Datasheet HTML 94Page - ATMEL Corporation ATMEGA165P Datasheet HTML 95Page - ATMEL Corporation ATMEGA165P Datasheet HTML 96Page - ATMEL Corporation ATMEGA165P Datasheet HTML 97Page - ATMEL Corporation Next Button
Zoom Inzoom in Zoom Outzoom out
 93 / 365 page
background image
93
8018A–AVR–03/06
ATmega165P
In fast PWM mode, the counter is incremented until the counter value matches the MAX value.
The counter is then cleared at the following timer clock cycle. The timing diagram for the fast
PWM mode is shown in Figure 13-6. The TCNT0 value is in the timing diagram shown as a his-
togram for illustrating the single-slope operation. The diagram includes non-inverted and
inverted PWM outputs. The small horizontal line marks on the TCNT0 slopes represent compare
matches between OCR0A and TCNT0.
Figure 13-6. Fast PWM Mode, Timing Diagram
The Timer/Counter Overflow Flag (TOV0) is set each time the counter reaches MAX. If the inter-
rupt is enabled, the interrupt handler routine can be used for updating the compare value.
In fast PWM mode, the compare unit allows generation of PWM waveforms on the OC0A pin.
Setting the COM0A1:0 bits to two will produce a non-inverted PWM and an inverted PWM output
can be generated by setting the COM0A1:0 to three (See Table 13-4 on page 98). The actual
OC0A value will only be visible on the port pin if the data direction for the port pin is set as out-
put. The PWM waveform is generated by setting (or clearing) the OC0A Register at the compare
match between OCR0A and TCNT0, and clearing (or setting) the OC0A Register at the timer
clock cycle the counter is cleared (changes from MAX to BOTTOM).
The PWM frequency for the output can be calculated by the following equation:
The N variable represents the prescale factor (1, 8, 64, 256, or 1024).
The extreme values for the OCR0A Register represents special cases when generating a PWM
waveform output in the fast PWM mode. If the OCR0A is set equal to BOTTOM, the output will
be a narrow spike for each MAX+1 timer clock cycle. Setting the OCR0A equal to MAX will result
in a constantly high or low output (depending on the polarity of the output set by the COM0A1:0
bits.)
A frequency (with 50% duty cycle) waveform output in fast PWM mode can be achieved by set-
ting OC0A to toggle its logical level on each compare match (COM0A1:0 = 1). The waveform
generated will have a maximum frequency of f
OC0 = fclk_I/O/2 when OCR0A is set to zero. This
TCNTn
OCRnx Update and
TOVn Interrupt Flag Set
1
Period
2
3
OCn
OCn
(COMnx1:0 = 2)
(COMnx1:0 = 3)
OCRnx Interrupt Flag Set
4
5
6
7
f
OCnxPWM
fclk_I/O
N 256
------------------
=


Similar Part No. - ATMEGA165P

ManufacturerPart #DatasheetDescription
logo
ATMEL Corporation
ATMEGA165P ATMEL-ATMEGA165P Datasheet
274Kb / 21P
   8-bit Microcontroller with 16K Bytes In-System Programmable Flash
ATMEGA165P ATMEL-ATMEGA165P Datasheet
3Mb / 368P
   8-bit Microcontroller with 16K Bytes In-System Programmable Flash
ATMEGA165P ATMEL-ATMEGA165P Datasheet
363Kb / 20P
   8-bit Microcontroller with 16K Bytes In-System Programmable Flash
ATmega165P ATMEL-ATmega165P Datasheet
330Kb / 16P
   Innovative Techniques for Extremely Low Power Consumption with 8-bit Microcontrollers
ATMEGA165P ATMEL-ATMEGA165P Datasheet
698Kb / 364P
   High Performance, Low Power Atmel
More results

Similar Description - ATMEGA165P

ManufacturerPart #DatasheetDescription
logo
ATMEL Corporation
ATMEGA16 ATMEL-ATMEGA16 Datasheet
2Mb / 315P
   8-bit AVR Microcontroller with 16K Bytes In-System Programmable Flash
ATMEGA16A ATMEL-ATMEGA16A Datasheet
426Kb / 19P
   8-bit Microcontroller with 16K Bytes In-System Programmable Flash
ATMEGA165V_091 ATMEL-ATMEGA165V_091 Datasheet
342Kb / 19P
   8-bit Microcontroller with 16K Bytes In-System Programmable Flash
ATMEGA169V ATMEL-ATMEGA169V_06 Datasheet
297Kb / 26P
   8-bit Microcontroller with 16K Bytes In-System Programmable Flash
ATMEGA165P ATMEL-ATMEGA165P_08 Datasheet
363Kb / 20P
   8-bit Microcontroller with 16K Bytes In-System Programmable Flash
ATMEGA16 ATMEL-ATMEGA16_06 Datasheet
320Kb / 24P
   8-bit Microcontroller with 16K Bytes In-System Programmable Flash
ATMEGA165V ATMEL-ATMEGA165V_06 Datasheet
241Kb / 19P
   8-bit Microcontroller with 16K Bytes In-System Programmable Flash
ATMEGA162V ATMEL-ATMEGA162V_07 Datasheet
2Mb / 325P
   8-bit Microcontroller with 16K Bytes In-System Programmable Flash
ATMEGA165V_0608 ATMEL-ATMEGA165V_0608 Datasheet
3Mb / 337P
   8-bit Microcontroller with 16K Bytes In-System Programmable Flash
ATMEGA165P_0611 ATMEL-ATMEGA165P_0611 Datasheet
3Mb / 368P
   8-bit Microcontroller with 16K Bytes In-System Programmable Flash
More results


Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100  ...More


Datasheet Download

Go To PDF Page


Link URL




Privacy Policy
ALLDATASHEET.COM
Does ALLDATASHEET help your business so far?  [ DONATE ] 

About Alldatasheet   |   Advertisement   |   Datasheet Upload   |   Contact us   |   Privacy Policy   |   Link Exchange   |   Manufacturer List
All Rights Reserved©Alldatasheet.com


Mirror Sites
English : Alldatasheet.com  |   English : Alldatasheet.net  |   Chinese : Alldatasheetcn.com  |   German : Alldatasheetde.com  |   Japanese : Alldatasheet.jp
Russian : Alldatasheetru.com  |   Korean : Alldatasheet.co.kr  |   Spanish : Alldatasheet.es  |   French : Alldatasheet.fr  |   Italian : Alldatasheetit.com
Portuguese : Alldatasheetpt.com  |   Polish : Alldatasheet.pl  |   Vietnamese : Alldatasheet.vn
Indian : Alldatasheet.in  |   Mexican : Alldatasheet.com.mx  |   British : Alldatasheet.co.uk  |   New Zealand : Alldatasheet.co.nz
Family Site : ic2ic.com  |   icmetro.com