MicroElektronika EasyPIC4 - 7-Segment Display Module

EasyPIC4 User’s Manual
MIKROELEKTRONIKA SOFTWARE AND HARDWARE SOLUTIONS FOR THE EMBEDDED WORLD
2211
page
MikroElektronika
Development
tools
EasyPIC
ICD
4
77--SSEEGGMMEENNTT DDIISSPPLLAAYYSS
7-SEGMENT DISPLAYS
EasyPIC4 has four 7-segment displays in multiplex mode. Data lines are connected
to PORTD, while each display is enabled through the lower four bits of PORTA.
dp
R10
10K
Q1
d
e
f
a
g
dp
c
b
Q4
Q3
Q2
10K
10K
10K
R11
R12
R13
VCC
8.
8.
a
b
c
d
e
f
g
PORTA/E
LEDs ON
PORTB
LEDs ON
PORTC
LEDs ON
PORTD LEDs ON
DIS3
DIS3 DIS2 DIS1 DIS0
RA3
DIS2
RA2
DIS1
RA1
DIS0
RA0
1 ON
8765432
SW2
PICxxxx
RA0
RA1
RA2
RA3
RC0
RC1
RA4
RA5
RE0
RE1
RE2
RC3
RD0
RD1
RC4
RD3
RD2
RC5
RC6
RC7
RD4
RD5
RD6
RD7
RB0
RB1
RB2
RB3
RB4
RB5
RB7
RB6
RC2
VDD
VSS
OSC1
OSC2
MCLR
VDD
VSS
R9 - R2
8.
8.
123
4
5
10 9 8
7
6
8.
8.
123
4
5
10
98
7
6
8.
8.
123
4
5
10 9 8
7
6
8.
8.
123
4
5
10
98
7
6
X1
8MHz
C6
22pF
C7
22pF
Figure 26.
7-segment displays
Figure 27.
7-segment displays schematics
8.
8.
8.
8.
7
S
E
G
7
S
E
G
R
E
A
D
Y
R
E
A
D
Y