ATmega88 datasheet(335/340 Pages) ATMEL

335 / 340 page

335

7530H–AVR–02/09

ATmega48/88/168 Automotive

Timer/Counter0 and Timer/Counter1 Prescalers .............................. 103

16-bit Timer/Counter1 with PWM ........................................................ 105

14.1

Overview ........................................................................................................105

14.2

Accessing 16-bit Registers ............................................................................107

14.3

Timer/Counter Clock Sources .......................................................................110

14.4

Counter Unit ..................................................................................................111

14.5

Input Capture Unit .........................................................................................112

14.6

Output Compare Units ...................................................................................114

14.7

Compare Match Output Unit ..........................................................................116

14.8

Modes of Operation .......................................................................................117

14.9

Timer/Counter Timing Diagrams ...................................................................125

14.10

16-bit Timer/Counter Register Description ....................................................127

8-bit Timer/Counter2 with PWM and Asynchronous Operation ...... 134

15.1

Overview ........................................................................................................134

15.2

Timer/Counter Clock Sources .......................................................................136

15.3

Counter Unit ..................................................................................................136

15.4

Output Compare Unit .....................................................................................137

15.5

Compare Match Output Unit ..........................................................................138

15.6

Modes of Operation .......................................................................................140

15.7

Timer/Counter Timing Diagrams ...................................................................144

15.8

8-bit Timer/Counter Register Description ......................................................146

15.9

Asynchronous operation of the Timer/Counter ..............................................152

15.10

Timer/Counter Prescaler ...............................................................................155

Serial Peripheral Interface – SPI ......................................................... 156

16.1

SS Pin Functionality ......................................................................................161

16.2

Data Modes ...................................................................................................163

USART0 ................................................................................................. 165

17.1

Overview ........................................................................................................165

17.2

Clock Generation ...........................................................................................167

17.3

Frame Formats .............................................................................................. 170

17.4

USART Initialization .......................................................................................171

17.5

Data Transmission – The USART Transmitter ..............................................172

17.6

Data Reception – The USART Receiver .......................................................175

17.7

Asynchronous Data Reception ......................................................................179

17.8

Multi-processor Communication Mode ..........................................................183

ATmega88 Datasheet(PDF) 335 Page - ATMEL Corporation

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