參數(shù)資料
型號: S1C88832F0A0100
元件分類: 微控制器/微處理器
英文描述: MICROCONTROLLER, PQFP128
封裝: PLASTIC, QFP-128
文件頁數(shù): 158/160頁
文件大小: 1244K
代理商: S1C88832F0A0100
S1C88832/88862 TECHNICAL MANUAL
EPSON
89
5 PERIPHERAL CIRCUITS AND THEIR OPERATION (LCD Controller)
5.11 LCD Controller
5.11.1 Configuration of LCD controller
The S1C88832/88862 has a built-in dot matrix LCD
driver. The S1C88832 allows an LCD panel with a
maximum of 1,632 dots (51 segments
× 32
commons). In the S1C88862 a maximum of 1,312
dots (41 segments
× 32 commons) are permitted.
Figure 5.11.1.1 shows the configuration of the LCD
controller and the drive power supply.
LCD drive duty
s
s 1/32 & 1/16 duty
s
s 1/8 duty
When "1/32 & 1/16 duty" is selected, the drive
duty can be selected by software. When "0" is
written to the drive duty selection register LDUTY,
1/32 duty is selected and when "1" is written, 1/16
duty is selected.
When "1/8 duty" is selected, the drive duty is fixed
at 1/8 and setting of LDUTY becomes invalid.
When the built-in LCD driver is not used, select the
default setting of "1/32 & 1/16 duty".
(a) VC2 standard
5.11.2 Mask option
The drive duty for the built-in LCD driver can be
selected whether it will be 1/32 and 1/16 software-
switched or fixed at 1/8 by the mask option.
VC2
VC3
VC4
VC5
CA
CB
CC
CD
CE
CF
CG
VSS
VC1
LC3
LC2
LC1
LC0
DTFNT
VC1
VC3–VC5
LCDC1
LCDC0
LDUTY
DSPAR
VC2
LCD system
voltage booster/
reducer
LCD system
voltage regulator
LCD contrast
adjustment circuit
LCD driver
Display memory
COM0~COM15
COM16~COM31/SEG66~SEG51
SEG0~SEG50
COM0~COM15
COM16~COM31/SEG66~SEG51
SEG0~SEG40
S1C88832
S1C88862
(b) VC1 standard
Note: VC1 standard can be selected only for 1/4 bias drive.
Fig. 5.11.1.1 Configuration of LCD controller and drive power supply
VC1
VC3
VC4
VC5
CA
CB
CC
CD
CE
CF
CG
VSS
VC2
LC3
LC2
LC1
LC0
DTFNT
VC2–VC5
LCDC1
LCDC0
LDUTY
DSPAR
VC1
LCD system
voltage booster/
reducer
LCD system
voltage regulator
LCD contrast
adjustment circuit
LCD driver
Display memory
COM0~COM15
COM16~COM31/SEG66~SEG51
SEG0~SEG50
COM0~COM15
COM16~COM31/SEG66~SEG51
SEG0~SEG40
S1C88832
S1C88862
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