S6A0078 데이터 시트보기 (PDF) - Samsung
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S6A0078 Datasheet PDF : 70 Pages
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120 SEG / 34 COM DRIVER & CONTROLLER FOR DOT MATRIX LCD
S6A0078
PAD (No)
RS/CS (67)
RW/SID (68)
E/SCLK (69)
DB0/SOD (70)
DB1-DB3
(71-73)
DB4-DB7
(74-77)
Input/
Output
Input
Input
Input
Input
Output/
Output
Input.
Ouptut
Table 2. Pad Description (Continued)
Name
Description
Register
select/chip
select
Read
write/serial
input data
Read write
enable/serial
clock
Data bus 0
bit/serial
output data
Data bus 1- 7
When bus mode, used as register selection
input. When RS/CS = "High", data register
is selected. When RS/CS = "Low",
Instruction register is selected.
When serial mode, used as chip selection
input. When RS/CS = "Low", selected.
When RS/CS = "High", not selected.
(low access enable)
When bus mode, used as read/write
selection input. When RW/SID = "High",
read operation. When RW/SID = "Low",
write operation.
When serial mode, used for data input pin.
When bus mode, used as read write enable
signal.
When serial mode, used as serial clock
input pin.
When 8-bit bus mode, used as lowest bi-
directional data bit. During 4-bit bus mode,
open this pin.
When serial mode, used as serial data
output pin. If not in read operation, open
this pin.
When 8-bit bus mode, used as low order bi-
directional data bus.
During 4-bit bus mode or serial mode, open
these pins.
When 8-bit bus mode, used as high order
bi-directional data bus. In case of 4-bit bus
mode, used as both high and low order.
DB7 used for Busy Flag output.
During serial mode, open these pins.
Interface
MPU
MPU
MPU
MPU
MPU
MPU
9
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