參數資料
型號: MC68HC08LT8CFGE
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 4 MHz, MICROCONTROLLER, PQFP44
封裝: 10 X 10 MM, 1.40 MM THICKNESS, 0.80 MM PITCH, ROHS COMPLIANT, MS-026BCB, LQFP-44
文件頁數: 142/156頁
文件大?。?/td> 1107K
代理商: MC68HC08LT8CFGE
Liquid Crystal Display (LCD) Driver
MC68HC08LT8 Data Sheet, Rev. 1
86
Freescale Semiconductor
8.7 Seven Segment Display Connection
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
Figure 8-12. The output waveforms are shown in Figure 8-13.
Figure 8-12. 7-Segment Display Example
FP CONNECTION
BP CONNECTION
a
f
e
b
c
g
d
BP0 (a, b COMMONED)
BP1 (c, f, g COMMONED)
BP2 (d, e COMMONED)
a
f
e
b
c
g
d
FP2
The segment assignments for each bit in the data registers are:
To display the character "4": LDAT1 = X010X01X, LDAT2 = XXXXXX11
a
g
d
f
e
FP0
b
c
FP1
0
1
0
X
1
0
X
1
X
FP0 (e, f COMMONED)
FP1 (a, d, g COMMONED)
FP2 (b, c COMMONED)
F0B0
F0B1
F0B2
F0B3
F1B0
F1B1
F1B2
F1B3
LDAT1
$0052
LDAT2
$0053
F2B0
F2B1
F2B2
F2B3
F3B0
F3B1
F3B2
F3B3
LDAT1
$0052
LDAT2
$0053
a
f
e
b
c
g
d
X = don’t care
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