S6B0108 Datasheet, PDF (18/23 Pages) Samsung semiconductor – 64 CH SEGMENT DRIVER FOR DOT MATRIX LCD

S6B0108
64CH SEGMENT DRIVER FOR DOT MATRIX LCD
DISPLAY CONTROL INSTRUCTION
The display control instructions control the internal state of the S6B0108. Instruction is received from MPU to
S6B0108 for the display control. The following table shows various instructions.
Instruction RS
Display
on/off
L
Set
address
L
(Y address)
Set page
(X address)
L
Display
start line
L
(Z address)
Status read L
Write
display
H
data
Read
display
H
data
R/W DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
Function
Controls the display on or off.
L
L
L
H
H
H
H
H
L/H
Internal status and display
RAM data is not affected.
L: OFF, H: ON
L LH
Y address (0 - 63)
Sets the Y address in the Y
address counter.
LHL
L HH
H Busy L
L
H
HHH
Page (0 - 7)
Display start line (0 - 63)
On
/ Reset L
L
L
L
Off
Write data
Read data
Sets the X address at the X
address register.
Indicates the display data
RAM displayed at the top of
the screen.
Read status.
BUSY L: Ready
H: In operation
ON/OFF L: Display ON
H: Display OFF
RESET L: Normal
H: Reset
Writes data (DB0:7) into
display data RAM. After
writing instruction, Y address
is increased by 1
automatically.
Reads data (DB0: 7) from
display data RAM to the data
bus.
18