參數(shù)資料
型號: μPD78062
廠商: NEC Corp.
英文描述: 8 Bit Single Chip Microcontrollers(8位單片微控制器)
中文描述: 8位單片機微控制器(8位單片微控制器)
文件頁數(shù): 26/68頁
文件大?。?/td> 444K
代理商: ΜPD78062
26
m
PD78062, 78063, 78064
5.8
LCD Controller/Driver
An LCD controller/driver with the following functions is incorporated.
Y
Selection of 5 types of display mode
Y
16 of the segment signal of outputs can be switched to input/output ports in units of 2.
(P80/S39 to P87/S32, P90/S31 to P97/S24)
Table 5-4. Display Mode Types and Maximum Number of Display Pixels
Bias Method
Time Multiplexing
Common Signal Used
Maximum Number of Display Pixels
40 (40 segments
1 common)
80 (40 segments
2 commons)
——
Static
2
3
3
4
COM0 (COM1 to COM3)
COM0, COM1
COM0 to COM2
COM0 to COM2
COM0 to COM3
160 (40 segments
4 commons)
1/2
1/3
120 (40 segments
3 commons)
Figure 5-11. LCD Controller/Driver Block Diagram
V
LC2
V
LC1
V
LC0
BIAS
COM3
COM2
COM1
COM0
S39/P80
S0
S23
S24/P97
LCDCL
f
W
2
9
f
W
2
8
f
W
2
7
f
W
2
6
Internal Bus
Display
Data Memory
Segment
Data Selector
Port
Output Data
Segment Driver
Prescaler
Selector
Timing Controller
LCD Drive Voltage
Generator
Common Driver
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