S1D12200 Epson Electronics America, Inc., S1D12200 Datasheet - Page 33

• Manufacturer Part Number: S1D12200
• Description: S1d12000 Series Lcd Driver Ic Technical Manual Technical Manual
• Manufacturer: Epson Electronics America, Inc.

S1D12200 Series
8. CHARACTER GENERATOR
Character Generator ROM (CG ROM)
Character Generator ROM (CG ROM)
S1D12200 Series cntains the character generator ROM
(CG ROM) consisted of up to 256 types of characters.
Character size is 5 8 dots.
Tables 5 though 7 show the S1D12200D
code.
(1) Cursor Home
(2) Display ON/OFF 0 0 0 0 1 1 C B * D
(3) Power Save
(4) Power Control
(5) System Set
(6) RAM Address
(7) RAM Write
(8) NOP
(9) Test Mode
2–24
Control
Set
Command
A0 WR D7 D6 D5 D4 D3 D2 D1 D0
0 0 0 0 0 1
0 0 0 1 0 0
0 0 0 1 0 1 0 VC VF P
0 0 0 1 1 0 N2 N1 S CG Sets the use or non-use of CG RAM and shifting
0 0 1
1 0
0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0
Table 4 S1D12200 Series Command List
****
Code
ADDRESS
DATA
character
*
*
*
*
*
*
EPSON
0 PS Sets power save ON/OFF (PS) and oscillating
*
*
*
*
Concerning the 4 characters from 00H through 03H, the
system command selects on which of CG ROM and CG
RAM they are to be used.
S1D12200 Series CG ROM is mask ROM and compatible
with customized ROM. Contact us for its use in your
system.
Product name of modified CG ROM is defined as below:
(Example) S1D12200D00B
Moves the cursor to the home position.
Sets cursor ON/OFF (C), cursor blink ON//OFF
(B), and display ON/OFF (D).
C = 1 (cursor ON) 0 (cursor OFF), B = 1 (blink
ON) 0 (blink OFF), D = 1 (display ON)
D = 0 (display OFF)
circuit ON/OFF (0).
PS = 1 (power save ON) 0 (power save OFF),
0 = 1 (oscillating circuit ON) 0 (oscillating circuit
OFF)
Sets voltage regulating circuit ON/OFF and
boosting circuit ON/OFF (P).
VC = 1 (voltage regulating circuit ON) 0 (voltage
circuit ON) 0 (boosting circuit OFF)
direction of display line (N1, N2) and COM
CG = 1 (use of CG RAM), 0 = (Does not use
CG RAM),
M2, N1 = 0, 0 (2 lines) 0, 1 (3 lines).
S = 0 (left shift), 1 (right shift).
Sets the DD RAM, CG RAM or symbol register
address.
Writes data into the DD RAM, CG RAM or
symbol register address.
Non-operation command
Command for IC chip test. Don’t use this command.
regulating circuit OFF) VF = 1 (voltage follower
ON) 0 (voltage follower OFF), P = 1 (boosting
Function
Digit for CG ROM
pattern change
*
Rev. 1.4