KS0074 View Datasheet(PDF) - Samsung
Part Name
Description
Manufacturer
KS0074 Datasheet PDF : 70 Pages
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KS0074
34COM/80SEG DRIVER & CONTROLLER FOR DOT MATRIX LCD
PAD DESCRIPTION (continued)
PAD (NO)
INPUT/
NAME
DESCRIPTION
IM (47)
OUTPUT
Input
Interface mode Select Interface mode with the MPU.
selection
When IM = "Low" : Serial mode,
When IM = "High" : 4-bit/8-bit bus mode.
RS/CS (50)
Input
Register select/
Chip select
In bus mode, used as register selection input.
When RS/CS = "High", Data register is selected.
When RS/CS = "Low", Instruction register is
selected.
In serial mode, used as chip selection input.
When RS/CS = "Low", selected. When RS/CS =
"High", not selected.(Low access enable)
RW/SID (51)
Input
Read
In bus mode, used as read/write selection input.
write/Serial input When RW/SID = "High", read operation. When
data
RW/SID = "Low", write operation.
In serial mode, used for data input pin.
E/SCLK (49)
Input
Read write
enable/Serial
clock
In bus mode, used as read write enable signal.
In serial mode, used as serial clock input pin.
DB0/SOD (53)
Input
Output/Output
Data bus 0
bit/Serial output
data
In 8-bit bus mode, used as lowest bi-directional
data bit. During 4-bit bus mode, Open this pin.
In serial mode, used as serial data output pin. If
not in read operation, open this pin.
DB1-DB3
(5456)
Input.
Output
Data bus 1 ~ 7
In 8-bit bus mode, used as low order bi-
directional data bus.
During 4-bit bus mode or serial mode, open
these pins.
DB4-DB7
(5760)
In 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
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