ATMEGA48-15AZV 데이터 시트보기 (PDF) - Atmel Corporation
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ATMEGA48-15AZV Datasheet PDF : 340 Pages
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7530J–AVR–03/12
Atmel ATmega48/88/168 Automotive
13 Timer/Counter0 and Timer/Counter1 Prescalers .............................. 103
14 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
15 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
16 Serial Peripheral Interface – SPI ......................................................... 156
16.1 SS Pin Functionality ......................................................................................161
16.2 Data Modes ...................................................................................................163
17 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
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