Specifications

5–16 EPSON
SED1225 Series
Table 4 SED1225 command list
Command
Code
Function
A0 XWR D7 D6 D5 D4 D3 D2 D1 D0
(1) Cursor Home 0 0 0 0 0 1 ✽✽✽✽ Shifts the cursor to its home position.
(2) Display On/Off Control 0 0 0 0 1 1 C B DC D Turns on or off the cursor, cursor blinking, double-size display, and data display.
C=1: Cursor ON; C=0: Cursor OFF
B=1: Blinking ON; B=0: Blinking OFF
DC=1: Double-size display; DC=0: Normal display
D=1: Display ON; D=0: Display OFF
(3) Power Save 0 0 0 1 0 0 ✽✽0 PS Turns on or off the Power Save mode and oscillator.
PS=1: Power Save ON; PS=0: Power Save OFF
O=1: OSC ON; O=0: OSC OFF
(4) Power Control 0 0 0 101000P Turns on or off the built-in power circuit and voltage follower capacity, and sets
the amp frequency.
P=1: Power circuit ON; P=0: Power circuit OFF
(5) System Reset 0 0 0 1 1 0 N S2 S1 CG Sets the use or no use of CGRAM and the display direction.
N=1: 3-line display; N=0: 2-line display
CG=1: Use of CGRAM; CG=0: No use of CGRAM
S2=0, S1=0: Normal display
S2=0, S1=1: Top and bottom reverse display
S2=1, S1=0: Right and left reverse display
S2=1, S1=1: 180-degree rotation display
(6) RAM Address Setup 0 0 1 ADDRESS Sets an address of DDRAM, CGRAM or Symbol register.
(7) RAM Write 1 0 DATA Writes data in the DDRAM, CGRAM or Symbol register.
(8) NOP 0 0 0 0000000 This is a non-operation command.
(9) Test Mode 0 0 0 0 0 0 ✽✽✽✽ This is an IC chip test command. Do not use in normal operations.