參數(shù)資料
型號: S1C63458F0A0100
元件分類: 微控制器/微處理器
英文描述: MICROCONTROLLER, PQFP144
封裝: QFP-144
文件頁數(shù): 105/144頁
文件大小: 1156K
代理商: S1C63458F0A0100
S1C63458 TECHNICAL MANUAL
EPSON
53
CHAPTER 4: PERIPHERAL CIRCUITS AND OPERATION (LCD Driver)
4.7.7 I/O memory of LCD driver
Table 4.7.7.1 shows the I/O addresses and the control bits for the LCD driver. Figure 4.7.7.1 shows the
display memory map.
Table 4.7.7.1 LCD driver control bits
Address
Comment
D3
D2
Register
D1
D0
Name
Init 1
10
FF60H
LDUTY1 LDUTY0 VCCHG LPWR
R/W
LDUTY1
LDUTY0
VCCHG
LPWR
0
VC2
On
VC1
Off
LCD drive duty
switch
LCD regulated voltage switch
LCD power On/Off
0
1/17
1
1/16
2, 3
1/8
[LDUTY1, 0]
Duty
0
Light
15
Dark
[LC3–0]
Contrast
FF61H
EXLCDC ALOFF
ALON
LPAGE
R/W
EXLCDC
ALOFF
ALON
LPAGE
0
1
0
Enable
All Off
All On
F100-F177
Disable
Normal
F000-F077
Expanded LCD driver signal control
LCD all OFF control
LCD all ON control
Display memory area selection (when 1/8 duty is selected)
functions as a general-purpose register when 1/16, 1/17 duty is selected
FF62H
LC3
LC2
LC1
LC0
R/W
LC3
LC2
LC1
LC0
2
LCD contrast adjustment
*1 Initial value at initial reset
*2 Not set in the circuit
*3 Constantly "0" when being read
F000H
F001H
F002H
F003H
F004H
:
F075H
F076H
F077H
F078H
:
F0FFH
D3
COM3
COM7
COM3
COM7
COM3
COM7
COM3
COM7
D2
COM2
COM6
COM2
COM6
COM2
COM6
COM2
COM6
D1
COM1
COM5
COM1
COM5
COM1
COM5
COM1
COM5
D0
COM0
COM4
COM0
COM4
COM0
COM4
COM0
COM4
SEG0
SEG1
SEG2
SEG58
SEG59
Not-
implemented
COM0–COM7
F100H
F101H
F102H
F103H
F104H
:
F175H
F176H
F177H
F178H
:
F1FFH
D3
COM11
COM15
COM11
COM15
COM11
COM15
COM11
COM15
D2
COM10
COM14
COM10
COM14
COM10
COM14
COM10
COM14
0
Unused area
Always "0"
No Operation
Reading:
Writing:
D1
COM09
COM13
COM09
COM13
COM09
COM13
COM09
COM13
D0
COM8
COM12
COM8
COM12
COM8
COM12
COM8
COM12
SEG0
SEG1
SEG2
SEG58
SEG59
Not-
implemented
COM8–COM15
F200H
F201H
F202H
F203H
:
F274H
F275H
F276H
F277H
D3
0
D2
0
D1
0
D0
COM16
SEG0
SEG1
SEG58
SEG59
COM16
Non-implementation area
Read/write disabled
Fig. 4.7.7.1 Display memory map
LPWR: LCD power control (ON/OFF) register (FF60HD0)
Turns the LCD system voltage circuit ON and OFF.
When "1" is written: ON
When "0" is written: OFF
Reading: Valid
When "1" is written to the LPWR register, the LCD system voltage circuit goes ON and generates the LCD
drive voltage. When "0" is written, all the LCD drive voltages go to VSS level.
It takes about 100 msec for the LCD drive voltage to stabilize after starting up the LCD system voltage
circuit by writing "1" to the LPWR register.
At initial reset, this register is set to "0".
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