Index

A

AC burst mode control, 118
AC phase control, 119
AC switch circuits, 117
ADC:, 125
8051, 50
discrete IC Parallel, 126
discrete IC serial, 127
PIC, 87
ALE (8051), 17
Architecture (8051), 23
ASCII table, 188

B

Battery backed memory (8051), 21
Baud rate generation (8051), 43
Binary coded decimal, 187
Bit addressing (8051), 48
Burst mode control of AC, 118

C

Capture & Compare logic (80552), 147
Carry flag (8051), 26
Clock calendar, 152
Clock circuits:
8051, 13
PIC, 65
Counter interrupts (8051), 35
Counter timer (PIC), 77

D

DAC:
8051, 55
discrete IC, 128
Data memory (8051), 18
DCE (of RS232), 134
DS750 (8051), 10
DTE (of RS232), 134

E

External memory (8051), 17
External signal interrupts (8051), 35

G

Gray code, 187

H

Hardware register symbol (8051), 23
Hexadecimal number system, 182

I

I2C, 141
serial port, 47
Input, single line, 113
Instruction set:
8051, 173
PIC, 79
Interrupts:
8051, 35
PIC, 97
Interrupt priority (8051), 35
I/O port structure:
8051, 16
PIC, 73, 81

K

Keypad input, 120
Keypad interface (8051), 16

L

LCD displays, 125
LED display driver, 122
LED seven segment displays, 122

M

Macros (PIC), 109
Motor driver:
AC, 130
DC, 130

N

Non-volatile memory (8051), 21
Null modem, 136
Number systems, 181

O

Opto couplers, 113
Opto triac, 117
OTP, (One Time Programmable), 3
Output, single line, 114
Output state toggling, 114
Overflow flag (8051), 26

P

Parity flag (8051), 26
PC (program counter), 4
Phase control of AC, 119
PIC 16C171 (PIC), 87
PIC 16C84 (PIC), 100
Power down (PIC), 108
Power supplies:
8051, 10
PIC, 64
PIC (8255), 57
Program Counter (PIC), 67
Program memory:
8051, 18
PIC, 67
Program Status Word (8051), 26
Pull-up resistors (8051), 15
PWM (8051), 55

Q

Quartz oscillators (8051), 13

R

Radio code clock receiver, 158
Register banks (8051), 27
Register structures:
8051, 23, 26
PIC, 69
Reset:
(8051), 11
(PIC), 66
Resonators:
(8051), 13
PIC, 65
RS232:
(8051), 133
(interface IC), 138
RS422, 47, 138
RS485, 140

S

Serial ports (8051), 40
Serial port interrupts (8051), 35
Seven segment displays, 121
Single line inputs, 113
Single line outputs, 114
Sleep (PIC), 63
Special function registers (8051), 23
Stack (PIC), 68
Stack pointer (8051), 36, 39
Status register )PIC), 71
Stepper motor driver, 128
Subroutines (PIC), 108
Switches:
debouncing, 113
momentary input, 113

T

Triac drive, 115
Timer counter (8051), 29–33, 35
Timer interrupts (8051), 35
Timing diagrams (8051), 19

V

Vector (interrupts) 8051, 35

W

Watchdog timer:
(8051), 11, 56
(PIC), 61, 106
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