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參數(shù)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(shù)： | 29/62頁 |
| 文件大?。?/td> | 476K |
| 代理商： | S1C60L09D |
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CHAPTER 4: PERIPHERAL CIRCUITS AND OPERATION (LCD Driver)
S1C60N09 TECHNICAL MANUAL
EPSON
29
(3) Output specification
The segment terminals (SEG0–SEG37) are selected by mask option in pairs for either segment
signal output or DC output (VDD and VSS binary output). When DC output is selected, the data
corresponding to COM0 of each segment terminal is output.
When DC output is selected, either complementary output or Pch open drain output can be
selected for each terminal by mask option.
Note: The terminal pairs are the combination of SEG (2
n) and SEG (2n + 1) (where n is an integer from 0 to 18).
(4) Drive bias
For the drive bias, either 1/3 bias or 1/2 bias can be selected by the mask option.
4.6.4 I/O memory of LCD driver
Table 4.6.4.1 shows the control bits of the LCD driver and their addresses. Figure 4.6.4.1 shows the
display memory map.
Table 4.6.4.1 Control bits of LCD driver
Address
Comment
D3
D2
Register
D1
D0
Name
Init 1
10
078H
CSDC
ETI2
ETI8
ETI32
R/W
CSDC
ETI2
ETI8
ETI32
0
Static
Enable
Dynamic
Mask
LCD drive switch
Interrupt mask register (clock timer 2 Hz)
Interrupt mask register (clock timer 8 Hz)
Interrupt mask register (clock timer 32 Hz)
0FFH
0
LCDON
RR/W
0 3
LCDON
– 2
1
–
On
–
Off
Unused
LCD display On/Off control
1
2
Initial value at initial reset
Not set in the circuit
3
4
Always "0" being read
Reset (0) immediately after being read
Address
Page
High
Low
0
1
2
3
4
5
6
7
8
9
A
B
C
D
EF
4 or C
5 or D
6 or E
0
Display memory 48 words
× 4 bits
40H–6FH = R/W
C0H–EFH = W only
Fig. 4.6.4.1 Display memory map
LCDON: LCD display control (0FFHD0)
Controls the LCD display.
When "1" is written: LCD displayed
When "0" is written: LCD is all off
Reading: Valid
By writing "0" to the LCDON register, all the LCD dots goes off, and when "1" is written, it returns to
normal display.
Writing "0" outputs an off waveform to the SEG terminals, and does not affect the content of the display
memory.
After an initial reset, this register is set to "1".
CSDC: LCD drive switch (078HD3)
The LCD drive format can be selected with this switch.
When "1" is written: Static drive
When "0" is written: Dynamic drive
Reading: Valid
After an initial reset, this register is set to "0".
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