AT90PWM2 datasheet(362/365 Pages) ATMEL

362 / 365 page

362

AT90PWM2/3

4317B–AVR–02/05

Overview........................................................................................................... 132

PSC Description ............................................................................................... 133

Signal Description............................................................................................. 135

Functional Description .......................................................................................137

Update of Values .............................................................................................. 142

Enhanced Resolution.........................................................................................143

PSC Inputs.........................................................................................................147

PSC Input Mode 1: Stop signal, Jump to Opposite Dead-Time and Wait .........152

PSC Input Mode 2: Stop signal, Execute Opposite Dead-Time and Wait .........153

PSC Input Mode 3: Stop signal, Execute Opposite while Fault active...............154

PSC Input Mode 4: Deactivate outputs without changing timing. ......................155

PSC Input Mode 5: Stop signal and Insert Dead-Time......................................156

PSC Input Mode 6: Stop signal, Jump to Opposite Dead-Time and Wait. ........157

PSC Input Mode 7: Halt PSC and Wait for Software Action ..............................158

PSC Input Mode 8 .............................................................................................159

PSC Input Mode 9: Fixed Frequency Edge Retrigger PSC ...............................160

PSC Input Mode 14: Fixed Frequency Edge Retrigger PSC and Disactivate Output

161

PSC2 Outputs................................................................................................... 163

PSC Synchronization........................................................................................ 163

Analog Synchronization .................................................................................... 164

Interrupt Handling ............................................................................................. 164

PSC Synchronization.........................................................................................165

PSC Clock Sources .......................................................................................... 165

Interrupts............................................................................................................167

PSC Register Definition .....................................................................................168

PSC2 Specific Register .................................................................................... 178

Serial Peripheral Interface – SPI...................................................... 182

Features............................................................................................................ 182

SS Pin Functionality...........................................................................................187

Data Modes .......................................................................................................191

USART ............................................................................................... 192

Features............................................................................................................ 192

Overview........................................................................................................... 193

Clock Generation .............................................................................................. 194

Serial Frame ..................................................................................................... 196

USART Initialization.......................................................................................... 197

Data Transmission – USART Transmitter .........................................................199

Data Reception – USART Receiver...................................................................201

Asynchronous Data Reception ......................................................................... 206

Multi-processor Communication Mode ..............................................................209

USART Register Description .............................................................................211

Examples of Baud Rate Setting........................................................................ 217

AT90PWM2 Datasheet(PDF) 362 Page - ATMEL Corporation

AT90PWM2 Datasheet(HTML) 362 Page - ATMEL Corporation

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