Introduction to Microcontrollers Lab Manual - Microchip

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LABS FIGURE 4-2: LAB 4 BASIC PROGRAM FLOW The application will have to enable the WDT in code with the instruction BSET RCON, #SWDTEN. The WDT, prescaler and postscaler are reset by a CLRWDT instruction during normal code execution. Remember that when the WDT “overflows”, it will reset the microcontroller. This means all volatile RAM values will be reset to zero. The template assembly file sets up this basic program flow. The student will need to add the appropriate code to the relevant sections of the file lab4-wdt.s. DS51963A-page 36 2011 Microchip Technology Inc.
5.1 OBJECTIVE 5.2 PRE-LAB Lab 5. Comparator This lab covers the following concepts: • PIC24F Comparator Hardware module • PIC24F Comparator Voltage Reference Module 5.2.1 Reference Material LABS • PIC24FJ256GB110 Family Data Sheet (DS39897) • 16-Bit MCU and DSC Programmer's Reference Manual (DS70157) • MPLAB IDE User’s Guide (DS51519) • PIC24F Family Reference Manual – Section 8. Interrupts (DS39707) • PIC24F Family Reference Manual – Section 12. Peripheral Pin Select (DS39711) • PIC24F Family Reference Manual – Section 19. Dual Comparator Module (DS39710) • PIC24F Family Reference Manual – Section 20. Comparator Voltage Reference Module (DS39708) 5.2.2 Comparator A comparator compares two analog inputs and switches its output to indicate which is larger. When the Vin+ input is larger than to the Vin- input, the output is high. When the Vin- input is larger than the Vin+ input, the output is low. FIGURE 5-1: LAB 5 COMPARATOR DESCRIPTION Schematic symbol for single comparator Inputs Output Vin+ > Vin- High Vin+ < Vin- Low Vin+ = Vin- Indeterminate The PIC24FJ256GB110 comparator input/output configurations are completely user programmable using the CMxCON registers. 2011 Microchip Technology Inc. DS51963A-page 37
Page 1 and 2: Introduction to Microcontrollers La
Page 3 and 4: INTRODUCTION TO MICROCONTROLLERS LA
Page 5 and 6: INTRODUCTION INTRODUCTION TO MICROC
Page 7 and 8: 0.1 OBJECTIVE 0.2 PRE-LAB Lab 0. In
Page 9 and 10: 0.3 THE LAB 0.2.5 I/O Ports The abi
Page 11 and 12: 0.3.5 Programming the Device In ord
Page 13 and 14: 1.1 OBJECTIVE 1.2 PRE-LAB Lab 1. Ti
Page 15 and 16: Setup the Simulator processor frequ
Page 17 and 18: FIGURE 1-3: LAB 1 BASIC PROGRAM FLO
Page 19 and 20: 2.1 INTERRUPTS 2.2 PRE-LAB 2.1.1 Ob
Page 21 and 22: FIGURE 2-2: LAB 2 PRIMARY AND ALTER
Page 23 and 24: 2.2.3 IDE Concepts Watch Window It
Page 25 and 26: 3.1 OBJECTIVE 3.2 PRE-LAB Lab 3. UA
Page 27 and 28: 3.2.4 I/O Ports with Peripheral Pin
Page 29 and 30: For example: Mapping Action Map “
Page 31 and 32: 3.3 THE LAB 3.3.1 Objective Program
Page 33 and 34: 4.1 OBJECTIVE 4.2 PRE-LAB Lab 4. Wa
Page 35: 4.3 THE LAB 4.2.4 Configuration Bit
Page 39 and 40: FIGURE 5-4: LAB 5 COMPARATOR VOLTAG
Page 41 and 42: FIGURE 5-5: LAB 5 BASIC PROGRAM FLO
Page 43 and 44: 6.1 OBJECTIVE 6.2 PRE-LAB Lab 6. An
Page 45 and 46: To configure the A/D module, the fo
Page 47 and 48: 6.3 THE LAB The first code transiti
Page 49 and 50: FIGURE 6-5: LAB 6 PROGRAM FLOW The
Page 51 and 52: 7.1 OBJECTIVE 7.2 PRE-LAB Lab 7. Pu
Page 53 and 54: FIGURE 7-3: OUTPUT COMPARE BLOCK DI
Page 55 and 56: LEDs are on the following ports: LE
Page 57 and 58: 8.1 OBJECTIVE 8.2 PRE-LAB Lab 8. Ex
Page 59 and 60: 8.2.7 Serial Peripheral Interface (
Page 61 and 62: 8.3 THE LAB 8.3.1 Objective Write a
Page 63 and 64: 9.1 OBJECTIVE 9.2 PRE-LAB Lab 9. Po
Page 65 and 66: FIGURE 9-1: PIC24FJ256GB110 FAMILY
Page 67 and 68: 9.3 THE LAB 9.2.7 Microchip XLP Tec
Page 69 and 70: 10.1 OBJECTIVE 10.2 THE LAB Lab 10.
Page 71 and 72: INTRODUCTION TO MICROCONTROLLERS LA
Page 73 and 74: A.3 STEP THREE: CREATE NEW PROJECT

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