One of the uses of a microcontroller is that it can control time for a digital output or process. This feature can be used to control traffic lights, garden sprinkler timers and fish feeders or other applications. Figure Q3a shows a circuit that can measure an analogue reading and display it on the LCD. LCD1 LMO16L 1. 88888888

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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ROSPSPS
One of the uses of a microcontroller is that it can control time for a digital output or process.
This feature can be used to control traffic lights, garden sprinkler timers and fish feeders or
other applications. Figure Q3a shows a circuit that can measure an analogue reading and display
it on the LCD.
LCD1
LMO16L
2l. 8E888888
U1
RV1
OSCIICLKIN
RBOANT
34
35
36
RBYPGM
14
OSCZICLKOUT
RB1
RB2
RADIANO
RAIAN1
RAZIANZVREFCVREF
RASIANGVREF+
37
RB4
RB5
4
38
RB6PGC
Tk
40
RAAITOCKVC10UT
RASIANASSIC20UT
R87/PGD
15
RCOTIOSOTICKI
16
REQIANSRD
RE1IANSWR
REZIANTICS
RCVT1OSVCCP2
17
18
RC2/CCP1
10
RC3/SCK/SCL
23
RC4SDVSDA
24
MCLRIVpp/THV
RCS/SDO
RCG/TX/CK
25
26
RCTIRXDT
19
RDOPSPO
20
RDUPSP1
RD2/PSP2
21
22
RD3PSP3
27
RDAPSP4
28
RDSPSPS
RD6PSP6
ROTIPSP7
PIC16F877A
Figure Q3(a)
c) UART is a microcontroler module that enables it to send and receive data from outside.
i)
Design a programme that can write thet word 'START’ on the UART terminal,
enter a new line below and write the character that was pressed on the keyboard,
to the terminal.
ii)
Why is the baud rate value in serial/UART communication important?
Transcribed Image Text:ROSPSPS One of the uses of a microcontroller is that it can control time for a digital output or process. This feature can be used to control traffic lights, garden sprinkler timers and fish feeders or other applications. Figure Q3a shows a circuit that can measure an analogue reading and display it on the LCD. LCD1 LMO16L 2l. 8E888888 U1 RV1 OSCIICLKIN RBOANT 34 35 36 RBYPGM 14 OSCZICLKOUT RB1 RB2 RADIANO RAIAN1 RAZIANZVREFCVREF RASIANGVREF+ 37 RB4 RB5 4 38 RB6PGC Tk 40 RAAITOCKVC10UT RASIANASSIC20UT R87/PGD 15 RCOTIOSOTICKI 16 REQIANSRD RE1IANSWR REZIANTICS RCVT1OSVCCP2 17 18 RC2/CCP1 10 RC3/SCK/SCL 23 RC4SDVSDA 24 MCLRIVpp/THV RCS/SDO RCG/TX/CK 25 26 RCTIRXDT 19 RDOPSPO 20 RDUPSP1 RD2/PSP2 21 22 RD3PSP3 27 RDAPSP4 28 RDSPSPS RD6PSP6 ROTIPSP7 PIC16F877A Figure Q3(a) c) UART is a microcontroler module that enables it to send and receive data from outside. i) Design a programme that can write thet word 'START’ on the UART terminal, enter a new line below and write the character that was pressed on the keyboard, to the terminal. ii) Why is the baud rate value in serial/UART communication important?
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