EM78P142 Ver la hoja de datos (PDF) - ELAN Microelectronics
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EM78P142 Datasheet PDF : 96 Pages
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Contents
6.2.15 IOC81 (TCCC Timer) ........................................................................................ 22
6.2.16 IOC91 (Low-Time Register).............................................................................. 23
6.2.17 IOCA1 (High Time Register)............................................................................. 23
6.2.18 IOCB1 High/Low Time Scale Control Register)................................................ 23
6.2.19 IOCC1 (TCC Prescaler Timer).......................................................................... 24
6.2.20 IOCD1 (LVD Control Register) ......................................................................... 25
6.2.21 IOCE1 (Output Sink Select Control Register) .................................................. 26
6.2.22 IOCF1 (Pull-high Control Register)................................................................... 27
6.3 TCC/WDT and Prescaler ................................................................................ 27
6.4 I/O Ports ......................................................................................................... 28
6.4.1 Usage of Port 5 Input Change Wake-up/Interrupt Function ............................. 30
6.5 Reset and Wake-up ........................................................................................ 31
6.5.1 Reset and Wake-up Operation ......................................................................... 31
6.5.1.1 Wake-up and Interrupt Modes Operation Summary.......................... 33
6.5.1.2 Register Initial Values after Reset ..................................................... 38
6.5.1.3 Controller Reset Block Diagram ........................................................ 43
6.5.2 The T and P Status under Status Register ....................................................... 43
6.6 Interrupt .......................................................................................................... 44
6.7 Analog-To-Digital Converter (ADC) ................................................................. 46
6.7.1 ADC Control Register (AISR/R8, ADCON/R9, ADOC/RA)............................... 46
6.7.1.1 R8 (AISR: ADC Input Select Register) .............................................. 46
6.7.1.2 R9 (ADCON: ADC Control Register) ................................................. 47
6.7.1.3 RA (ADOC: AD Offset Calibration Register) ...................................... 48
6.7.2 ADC Data Register (ADDATA/RB, ADDATA1H/RC, ADDATA1L/RD) ............. 49
6.7.3 ADC Sampling Time ......................................................................................... 49
6.7.4 AD Conversion Time......................................................................................... 49
6.7.5 ADC Operation during Sleep Mode .................................................................. 49
6.7.6 Programming Process/Considerations ............................................................. 50
6.7.6.1 Programming Process ....................................................................... 50
6.7.6.2 Sample Demo Programs ................................................................... 51
6.8 Infrared Remote Control Application/PWM Waveform Generation .................. 53
6.8.1 Overview........................................................................................................... 53
6.8.2 Function Description ......................................................................................... 54
6.8.3 Programming the Related Registers ................................................................ 56
6.9 Timer .............................................................................................................. 57
6.9.1 Overview........................................................................................................... 57
6.9.2 Function Description ......................................................................................... 57
6.9.3 Programming the Related Registers ................................................................ 59
6.10 Oscillator ........................................................................................................ 60
6.10.1 Oscillator Modes ............................................................................................... 60
6.10.2 Crystal Oscillator/Ceramic Resonators (Crystal) .............................................. 61
6.10.3 External RC Oscillator Mode ............................................................................ 64
6.10.4 Internal RC Oscillator Mode ............................................................................. 65
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Product Specification (V1.0) 01.25.2008
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