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EM65101AF bảng dữ liệu(PDF) 21 Page - ELAN Microelectronics Corp

tên linh kiện EM65101AF
Giải thích chi tiết về linh kiện  128COM/160SEG 16 Gray Scale Level LCD Driver
PDF  83 Pages
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nhà sản xuất  EMC [ELAN Microelectronics Corp]
Trang chủ  http://www.emc.com.tw
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EM65101AF bảng dữ liệu(HTML) 21 Page - ELAN Microelectronics Corp

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EM65101
128COM/160SEG 16 Gray Scale Level LCD Driver
Product Specification (V0.4) 08.15.2005
• 15
(This specification is subject to change without further notice)
SPOL = “0”
SPOL = “1”
RS
Display RAM/Register
RS
Display RAM/Register
0
Display RAM Data
0
Control Register Data
1
Control Register Data
1
Display RAM Data
After completing the 9-bit data transfer, or when making no access, be sure to set the
serial clock input (SCL) to “L.” Care should be taken during PCB layout to avoid
external noise from contaminating the SDA and SCL signals. To prevent any transfer
error due to external noise, release chip select (CSB = “H”) after every complete 9-bit
data transfer.
SDA
SCL
1
2
3
456
7
8
D7
D6
D5
D4
D3
D2
D1
D0
RS
CSB
9
Figure 7-3 3-Wire Serial Interface
7.2 Writing Data to Display RAM and Control Register
The procedure to write data to the display RAM and Control Register is similar except
for the RS selection to select the accessed object.
RS = “L”: Display RAM data
RS = “H”: Control register data
In the case of the 80-family MPU, data is written at the rising edge of WRB. In the case
of the 68-family MPU, data is written at the falling edge of signal E.
7.2.1 Writing Data Operation
Data0
Data1
Data2
Data3
Data4
WRB
RS
Write to control register
Write to display RAM
D7~D0
Data5
Figure 7-4 Writing Data Operation



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