参数资料
型号: EPL43102
英文描述: Graphic STN LCD Drivers with Built-in RAM
中文描述: 图形STN液晶显示器驱动器,内置内存
文件页数: 8/64页
文件大小: 280K
代理商: EPL43102
43 COM / 102 SEG LCD DRIVER
The information in this document is subject to change without notice.
11
1.
Serial mode (SPI): When serial mode (PS = "L"), D6 (SCK) is used as serial clock
input pin, D7 (SDI) is used as serial data input pin, D5 (SDO) is used as serial data
output pin. When the LSI is active (/CS1=”L”, CS2=”H”), serial data input (D7), serial
clock input (D6) inputs and serial data output (D5) are enabled. The 8-bit shift
register and 3-bit counter are reset to the initial condition when the chip is not
selected. The data input/output from SDI/SDO terminal is MSB first like as the order
of D7, D6…D0, and is latched at the rising edge of the serial clock SCK. Serial input
data is display data when A0="H" and instruction when is A0="L". The A0 input is
read in and identified at the rising edge of the (8 x n) serial clock pulse. Since the
clock signal (D6) is easy to be affected by the external noise caused by the line
length, the operation check on the actual machine is recommended.
Figure 3
A0
/WR (R/W)
D7 (SDI)
D5 (SDO)
0
Instruction Write
Status Read
0
1
Invalid
Status Read
1
0
Display Data Write
Status Read
1
Invalid
Display Data Read
D7
D6
D5
D4
D3
D2
D1
D0
D7
D6
D5
D4
D3
D2
D1
D0
D7
SDI
(D7)
SDO
(D5)
SCK
(D6)
/CS1
CS2
A0
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