S6B0108 Datasheet, PDF (15/23 Pages) Samsung semiconductor – 64 CH SEGMENT DRIVER FOR DOT MATRIX LCD

64CH SEGMENT DRIVER FOR DOT MATRIX LCD
S6B0108
RESET
The system can be initialized by setting RSTB terminal at low level when turning power on, receiving instruction
from MPU.
When RSTB becomes low, following procedure is occurred.
• Display off
• Display start line register become set by 0. (Z-address 0)
While RSTB is low, No instruction except status read can be accepted. Therefore, execute other instructions after
making sure that DB4 = 0 (clear RSTB) and DB7 = 0 (ready) by status read instruction. The Conditions of power
supply at initial power up are shown in table 1.
Item
Reset time
Rise time
Table 2. Power Supply Initial Conditions
Symbol
Min
Typ
Max
t_RS
1.0
-
-
t_R
-
-
200
Unit
us
ns
VDD
RSTB
4.5V
t_RS
t_R
0.7V_DD
0.3V_DD
15