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參數資料
| 型號： | S1C60L09D |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 4-BIT, MROM, 0.08 MHz, MICROCONTROLLER, UUC70 |
| 封裝： | DIE-70 |
| 文件頁數： | 28/62頁 |
| 文件大小： | 476K |
| 代理商： | S1C60L09D |
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CHAPTER 4: PERIPHERAL CIRCUITS AND OPERATION (LCD Driver)
28
EPSON
S1C60N09 TECHNICAL MANUAL
4.6.3 Mask option
(1) Segment allocation
As shown in Figure 4.l.1, display data is decided by the data written to the display memory at address
40H–6FH or C0H–EFH.
The mask option enables the display memory to be allocated entirely to either 40H–6FH (R/W) or
C0H–EFH (W only).
The address and bits of the display memory can be made to correspond to the segment terminals
(SEG0–SEG37) in any combination through mask option. This simplifies design by increasing the
degree of freedom with which the liquid crystal panel can be designed.
Figure 4.6.3.1 shows an example of the relationship between the LCD segments (on the panel) and the
display memory (when 40H–6FH is selected) in the case of 1/3 duty.
aa'
f
f'
g'
g
ee'
d
d'
p'
p
c'
b'
b
c
SEG10
SEG11
SEG12
Common 0
Common 1
Common 2
06AH
06BH
06CH
06DH
Address
d
p
d'
p'
D3
c
g
c'
g'
D2
b
f
b'
f'
D1
a
e
a'
e'
D0
Data
Display data memory allocation
SEG10
SEG11
SEG12
6A, D0
(a)
6A, D1
(b)
6D, D1
(f')
6B, D1
(f)
6B, D2
(g)
6A, D2
(c)
6B, D0
(e)
6A, D3
(d)
6B, D3
(p)
Pin address allocation
Common 0
Common 1
Common 2
Fig. 4.6.3.1 Segment allocation
(2) Drive duty
According to the mask option, either 1/4, 1/3 or 1/2 duty can be selected as the LCD drive duty.
Table 4.6.3.1 shows the differences in the number of segments according to the selected duty.
Table 4.6.3.1 Differences according to selected duty
Duty
1/4
1/3
1/2
COM used
COM0–COM3
COM0–COM2
COM0–COM1
Max. number of segments
152 (38
× 4)
114 (38
× 3)
76 (38
× 2)
Frame frequency *
fOSC/1,024 (32 Hz)
f/768 (42.7 Hz)
fOSC/1,024 (32 Hz)
When fOSC = 32 kHz
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