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4.3
Example of Initial Settings
No
Command
1
Power on
Waits until power supply
2
stabilizes.
3
SYSTEM SET
C = 40H
P1 = 38H
P2 = 87H
P3 = 07H
P4 = 27FH
P5 = 2DH
P6 = EFH
P7 = 28H
P8 = 00H
4
SCROLL
C = 44H
P1 = 00H
P2 = 00H
P3 = 7FH
P4 = 00H
P5 = 10H
P6 = 7FH
P7 = 00H
P8 = 04H
P9 = 00H
P10 = 30H
S1D13700 Technical Manual
Waits at least 3 ms after V
DD
Initializes the S1D13700.
M0 :
Internal CG ROM
M1 :
CG RAM (up to 32 characters)
M2 :
Y-direction character field range (8 lines)
W/S :
Dual-screen drive method
IV :
Uppermost line not corrected
FX :
X-direction character field (8 dots)
WF :
Two-frame AC drive
FY :
Y-direction character field (8 dots)
C/R :
Display address range (40 columns per line)
TC/R : Total display address time in X direction (46 addresses per line)
f
= 6.0MHz,
OSC
f
= 60Hz
FR
L/F :
Number of display lines (240)
AP : Virtual screen size in X direction (41 addresses)
Sets start address of the first screen block to 0000H.
Sets number of display lines in the first screen block to 120.
Sets start address of the second screen block to 1000H.
Sets number of display lines in the second screen block to 120.
Sets start address of the third screen block to 0400H.
Sets start address of the fourth screen block to 3000H.
EPSON
Operation
≥ 4.5 V and external reset are deasserted.
4: FUNCTION DESCRIPTION
8-bit bus interface
LCD unit 320 x 240 dot
71
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