ATmega32A datasheet(347/352 Pages) ATMEL

347 / 352 page

iii

8155B–AVR–07/09

ATmega32A

14.6

Compare Match Output Unit ............................................................................77

14.7

Modes of Operation .........................................................................................78

14.8

Timer/Counter Timing Diagrams .....................................................................82

14.9

Timer/Counter0 and Timer/Counter1 Prescalers ................................ 88

15.1

Overview ..........................................................................................................88

15.2

Internal Clock Source ......................................................................................88

15.3

Prescaler Reset ...............................................................................................88

15.4

External Clock Source .....................................................................................88

15.5

16-bit Timer/Counter1 ............................................................................ 91

16.1

Features ..........................................................................................................91

16.2

Overview ..........................................................................................................91

16.3

Accessing 16-bit Registers ..............................................................................94

16.4

Timer/Counter Clock Sources .........................................................................96

16.5

Counter Unit ....................................................................................................97

16.6

Input Capture Unit ...........................................................................................98

16.7

Compare Match Output Unit ..........................................................................102

16.8

Modes of Operation .......................................................................................103

16.9

Timer/Counter Timing Diagrams ...................................................................110

16.10

8-bit Timer/Counter2 with PWM and Asynchronous Operation ...... 119

17.1

Features ........................................................................................................119

17.2

Overview ........................................................................................................119

17.3

Timer/Counter Clock Sources .......................................................................120

17.4

Counter Unit ..................................................................................................120

17.5

Output Compare Unit .....................................................................................121

17.6

Compare Match Output Unit ..........................................................................123

17.7

Modes of Operation .......................................................................................124

17.8

Timer/Counter Timing Diagrams ...................................................................128

17.9

Asynchronous Operation of the Timer/Counter .............................................130

17.10

Timer/Counter Prescaler ...............................................................................132

17.11

SPI – Serial Peripheral Interface ......................................................... 138

18.1

Features ........................................................................................................138

ATmega32A Datasheet(PDF) 347 Page - ATMEL Corporation

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