MC68HC908LJ12CPB FREESCALE [Freescale Semiconductor, Inc], MC68HC908LJ12CPB Datasheet - Page 331

• Manufacturer Part Number: MC68HC908LJ12CPB
• Description: 8-bit microcontroller units
• Manufacturer: FREESCALE [Freescale Semiconductor, Inc]

Liquid Crystal Display Driver (LCD)
16.8 Seven Segment Display Connection
Technical Data
332
The following shows an example for connecting a 7-segment LCD
display to the LCD driver.
The example uses 1/3 duty cycle, with pins BP0, BP1, BP2, FP0, FP1,
and FP2 connected as shown in
are shown in
LDAT1
LDAT2
LDAT1
LDAT2
$0052
$0053
$0052
$0053
f
e
FP CONNECTION
The segment assignments for each bit in the data registers are:
To display the character "4": LDAT1 = X010X01X, LDAT2 = XXXXXX11
X = don’t care
a
g
d
F1B3
F3B3
—
—
X
X
Liquid Crystal Display Driver (LCD)
Figure 16-12. 7-Segment Display Example
Figure
F1B2
F3B2
—
b
c
d
0
X
FP1
FP2 (b, c COMMONED)
FP1 (a, d, g COMMONED)
FP0 (e, f COMMONED)
F1B1
F3B1
—
16-13.
g
1
X
F1B0
F3B0
—
a
0
X
f
e
BP CONNECTION
Figure
F0B3
F2B3
—
—
X
X
a
g
d
F0B2
F2B2
—
16-12. The output waveforms
X
e
0
FP0
FP2
b
c
F0B1
F2B1
c
1
1
f
MC68HC908LJ12
Freescale Semiconductor
F0B0
F2B0
BP0 (a, b COMMONED)
BP1 (c, f, g COMMONED)
BP2 (d, e COMMONED)
—
b
X
1
f
e
—
a
g
d
Rev. 2.1
b
c