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PIC16F720-E/ML 数据表(PDF) 235 Page - Microchip Technology |
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PIC16F720-E/ML 数据表(HTML) 235 Page - Microchip Technology |
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235 / 244 page ![]() 2010 Microchip Technology Inc. DS41430A-page 235 PIC16F/LF720/721 INDEX A A/D Specifications.................................................... 203, 204 Absolute Maximum Ratings .............................................. 187 AC Characteristics Industrial and Extended ............................................ 196 Load Conditions ........................................................ 195 ADC .................................................................................... 77 Acquisition Requirements ........................................... 83 Associated registers.................................................... 85 Block Diagram............................................................. 77 Calculating Acquisition Time....................................... 83 Channel Selection ....................................................... 78 Configuration............................................................... 78 Configuring Interrupt ................................................... 80 Conversion Clock........................................................ 78 Conversion Procedure ................................................ 80 Internal Sampling Switch (RSS) Impedance................ 83 Interrupts..................................................................... 79 Operation .................................................................... 79 Operation During Sleep .............................................. 80 Port Configuration ....................................................... 78 Source Impedance...................................................... 83 Special Event Trigger.................................................. 80 ADCON0 Register......................................................... 17, 81 ADCON1 Register......................................................... 18, 82 Addressable Universal Synchronous Asynchronous Receiver Transmitter (AUSART)............................... 119 ADRES Register ................................................................. 82 ADRESH Register............................................................... 17 Analog-to-Digital Converter. See ADC ANSELA Register ............................................................... 49 ANSELB Register ............................................................... 58 Assembler MPASM Assembler................................................... 184 AUSART ........................................................................... 119 Associated Registers Baud Rate Generator........................................ 129 Asynchronous Mode ................................................. 121 Associated Registers Receive ..................................................... 126 Transmit.................................................... 123 Baud Rate Generator (BRG) ............................ 129 Receiver............................................................ 123 Setting up 9-bit Mode with Address Detect....... 125 Transmitter........................................................ 121 Baud Rate Generator (BRG) Baud Rate Error, Calculating ............................ 129 Baud Rates, Asynchronous Modes .................. 130 Formulas ........................................................... 129 High Baud Rate Select (BRGH Bit) .................. 129 Synchronous Master Mode ............................... 132, 136 Associated Registers Receive ..................................................... 135 Transmit.................................................... 133 Reception.......................................................... 134 Transmission .................................................... 132 Synchronous Slave Mode Associated Registers Receive ..................................................... 137 Transmit.................................................... 136 Reception.......................................................... 137 Transmission .................................................... 136 B BF bit ........................................................................ 147, 159 Block Diagrams (CCP) Capture Mode Operation ............................... 110 ADC ............................................................................ 77 ADC Transfer Function ............................................... 84 Analog Input Model..................................................... 84 AUSART Receive ..................................................... 120 AUSART Transmit .................................................... 119 CCP PWM ................................................................ 114 Clock Source .............................................................. 67 Compare ................................................................... 112 Interrupt Logic............................................................. 37 MCLR Circuit .............................................................. 29 On-Chip Reset Circuit................................................. 27 RA0 Pins..................................................................... 51 RA1 Pins..................................................................... 52 RA2 Pin ...................................................................... 53 RA4 Pin ...................................................................... 54 RA5 Pin ................................................................ 54, 55 RB0 Pin ...................................................................... 59 RB3 Pin ...................................................................... 60 RC0 Pin ...................................................................... 64 RC5 Pin ...................................................................... 65 RC6 Pin ...................................................................... 65 RC7 Pin ...................................................................... 65 SPI Mode .................................................................. 140 SSP (I2C Mode)........................................................ 149 Timer1 ................................................ 95, 101, 102, 103 Timer2 ...................................................................... 107 TMR0/WDT Prescaler ................................................ 91 Brown-out Reset (BOR)...................................................... 31 Specifications ........................................................... 201 Timing and Characteristics ....................................... 200 C C Compilers MPLAB C18 .............................................................. 184 Capture Module. See Capture/Compare/PWM (CCP) Capture/Compare/PWM (CCP) ........................................ 109 Associated registers w/ Capture ............................... 111 Associated registers w/ Compare ............................. 113 Associated registers w/ PWM................................... 117 Capture Mode ........................................................... 110 CCPx Pin Configuration............................................ 110 Compare Mode ......................................................... 112 CCPx Pin Configuration.................................... 112 Software Interrupt Mode ........................... 110, 112 Special Event Trigger ....................................... 112 Timer1 Mode Selection............................. 110, 112 Prescaler .................................................................. 110 PWM Mode ............................................................... 114 Duty Cycle ........................................................ 115 Effects of Reset ................................................ 116 Example PWM Frequencies and Resolutions, 20 MHZ ................................ 116 Example PWM Frequencies and Resolutions, 8 MHz .................................. 116 Operation in Sleep Mode.................................. 116 Setup for Operation .......................................... 116 System Clock Frequency Changes .................. 116 PWM Period ............................................................. 115 Setup for PWM Operation ........................................ 116 |
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