STC12LE5616AD datasheet(5/377 Pages) STC

5 / 377 page

STC

MCU

Limited

8.6 Buad Rates...........................................................................................211

8.7 Demo Programs about UART (C and ASM)...................................... 212

Chapter 9. Analog to Digital Converter ...................................218

9.1 A/D Converter Structure..................................................................... 218

9.2 Registers for ADC .............................................................................. 220

9.3 Application Circuit of A/D Converter ............................................... 223

9.4 ADC Application Circuit for Key Scan.............................................. 224

9.5 A/D reference voltage source ............................................................. 225

9.6 Program using interrupts to demostrate A/D Conversion ................. 226

9.7 Program using polling to demostrate A/D Conversion ..................... 232

Chapter 10. Programmable Counter Array(PCA) .................238

10.1 SFRs related with PCA..................................................................... 238

10.2 PCA/PWM Structure........................................................................ 245

10.3 PCA Modules Operation Mode ....................................................... 247

10.3.1 PCA Capture Mode.......................................................................................... 247

10.3.2 16-bit Software Timer Mode ........................................................................... 248

10.3.3 High Speed Output Mode ................................................................................ 249

10.3.4 Pulse Width Modulator Mode (PWM mode)................................................... 250

10.4 Programs for PCA module extended external interrupt .................. 251

10.5 Demo Programs for PCA module acted as 16-bit Timer.................. 255

10.6 Programs for PCA module as 16-bit High Speed Output................. 259

10.7 Demo Programs for PCA module as PWM Output ......................... 263

10.8 Demo Program for PCA clock base on Timer 1 overflow rate........ 267

10.9 Using PWM achieve D/A Conversion function reference circuit .... 271

Chapter 11. Serial Peripheral Interface (SPI) .........................272

11.1 Special Function Registers related with SPI..................................... 272

11.2 SPI Structure..................................................................................... 275

11.3 SPI Data Communication ................................................................. 276

11.3.1 SPI Configuration ............................................................................................ 276

11.3.2 SPI Data Communication Modes .................................................................... 277

11.3.3 SPI Data Modes ............................................................................................... 279

11.4 SPI Function Demo Programs (Single Master — Single Slave) ...... 281

11.4.1 SPI Function Demo Programs using Interrupts (C and ASM)......................... 281

11.4.2 SPI Function Demo Programs using Polling (C and ASM)............................. 287

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