mb90f377pff-g Fujitsu Microelectronics, Inc., mb90f377pff-g Datasheet - Page 77
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mb90f377pff-g
Manufacturer Part Number
mb90f377pff-g
Description
16-bit Proprietary Microcontroller
Manufacturer
Fujitsu Microelectronics, Inc.
Datasheet
1.MB90F377PFF-G.pdf
(140 pages)
- Current page: 77 of 140
- Download datasheet (2Mb)
13. LCD controller/driver (not for MB90F377)
(1) Register configuration of LCD
X : Do not use
LCDC Control Register (Upper)
LCDC Control Register (Lower)
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) . However, not all duty ratios are available with all bias settings.
• 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
Address : 0000EF
Address : 0000EE
MB90370 series
Part number
Initial value
Initial value
Read/write
Read/write
H
H
CSS
R/W
SS4
R/W
15
0
7
0
LCEN
1/2 bias
1/3 bias
R/W
R/W
VS
14
6
0
0
Bias
VSEL
R/W
CS1
R/W
13
5
0
0
R/W
CS0
R/W
BK
1/2 duty ratio
12
4
1
0
X
MS1
R/W
SS3
R/W
11
0
3
0
MB90370/375 Series
MS0
R/W
R/W
SS2
10
2
0
0
1/3 duty ratio
R/W
FP1
R/W
SS1
1
0
9
0
X
SS0
R/W
FP0
R/W
0
0
8
0
1/4 duty ratio
Bit number
LCRH
Bit number
LCRL
X
77
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