参数资料
型号: M34551E8FP
元件分类: 微控制器/微处理器
英文描述: 4-BIT, OTPROM, 8 MHz, MICROCONTROLLER, PQFP48
封装: 7 X 10 MM, 0.65 MM PITCH, PLASTIC, QFP-48
文件页数: 18/155页
文件大小: 1329K
代理商: M34551E8FP
APPLICATION
2.5 LCD function
2-36
4551 Group User’s Manual
2.5.3 LCD application examples
(1)
LCD display
LCD display function can be used to display 80 pixels (maximum 4 common ! 20 segment).
Outline: LCD can be displayed easily by using the LCD display function.
Specifications: 1/4 duty and 1/3 bias LCD is displayed by using LCD display panel example. Timer
2 is used for the LCD clock source, the sub-clock f(XCIN) = 32.768 kHz is used for
the timer 2 clock source, and the frame frequency is set to 85 Hz.
Figure 2.5.3 shows the LCD display panel example, Figure 2.5.4 shows the segment assignment example,
Figure 2.5.5 shows the LCD RAM assignment example, and Table 2.5.5 shows the frame frequency.
Fig. 2.5.3 LCD display panel example
Fig. 2.5.4 Segment assignment example
Fig. 2.5.5 LCD RAM assignment example
Z
X
Y
8
9
10
11
12
13
14
15
COM
1
01
2
3
21
0
3
21
0
3
21
0
COM3 COM2 COM1 COM0 COM3 COM2 COM1 COM0 COM3 COM2 COM1 COM0
g
d
a
b
c
e
f
Bit
-g
-e
-f
-e
-d
-c
-f
-b
-a
Start
Stop
Unused
Su.
Tu.
SP
Program
Mo.
Fr.
EP
A.M.
Tu.
Sa.
CH
P.M.
We.
BS
Every
weeks
Note:
LCD display RAM is not assigned.
Program
A.M.
P.M.
CH
EP
SP
Start
Stop
BS
Su. Mo. Tu. We.
Th. Fr. Sa.
Every
weeks
Program
A.M.
P.M.
CH
EP
SP
Start Stop
BS
Su. Mo. Tu. We. Th. Fr. Sa.
Every
weeks
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