參數(shù)資料
型號: MB90F372PMT-G
元件分類: 微控制器/微處理器
英文描述: 16-BIT, FLASH, 16 MHz, MICROCONTROLLER, PQFP144
封裝: 0.40 MM PITCH, PLASTIC, LQFP-144
文件頁數(shù): 125/153頁
文件大?。?/td> 2503K
代理商: MB90F372PMT-G
MB90370 Series
73
13. LCD controller/driver
The LCD (Liquid Crystal Display) controller/driver function displays the contents of a display data memory directly
to the LCD panel by segment and common outputs.
Up to nine segment outputs (SEG0 to SEG8) and four common outputs (COM0 to COM3) may be used.
Built-in display RAM.
Three selectable duty ratios (1/2, 1/3, and 1/4). Not all duty ratios are available with all bias settings, however.
Either the main or sub-clock can be selected as the drive clock.
LCD can be driven directly.
Table below shows the duty ratios available with each bias setting.
:
Recommended mode
X :
Do not use
(1) Register configuration of LCD
Part number
Bias
1/2 duty ratio
1/3 duty ratio
1/4 duty ratio
MB90370 series
1/2 bias
X
1/3 bias
X
7
6
5
4
3
2
1
0
Bit number
LCDC Control Register (Lower)
Address: 0000EEH
R/W
0
Initial value
Read/write
LCRL
FP0
15
14
13
12
11
10
9
8
Bit number
LCDC Control Register (Upper)
Address: 0000EFH
LCRH
Initial value
Read/write
R/W
0
FP1
R/W
0
MS0
R/W
0
MS1
R/W
1
BK
R/W
0
VSEL
R/W
0
LCEN
R/W
0
CSS
R/W
0
SS0
R/W
0
SS1
R/W
0
SS2
R/W
0
SS3
R/W
0
CS0
R/W
0
CS1
R/W
0
VS
R/W
0
SS4
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