S6A2068 Datasheet, PDF (18/22 Pages) Samsung semiconductor – 16COM/60SEG DRIVER & CONTROLLER FOR DOT MATRIX LCD

S6A2068
16COM/60SEG DRIVER & CONTROLLER FOR DOT MATRIX LCD
CONTROL AND DISPLAY COMMAND (CONTINUED)
Command RS R/W DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0 Execution Time
(fOSC=250kHz)
Remark
Set CG RAM
Address
0 0 0 1 CG RAM address
(corresponds to cursor address)
40µs
CG RAM Data is sent and
received after this setting
Set DD RAM
Address
0 0 1 DD RAM address
40µs
DD RAM Data is sent and
received after this setting
Read Busy Flag 0
& Address
1 BF Address Counter used for
Both DD & CD RAM address
0µs
BF
H: Busy
L: Ready
- Reads BF indication
internal operating is
being performed.
- Reads address counter
contents
Write Data
1 0 Write Data
46µs
Write data into DD or CGRAM
Read Data
1 1 Read Data
46µs
Read data from DD or
CGRAM
NOTES:
1. When a MPU program with Busy Flag (DB7) checking is made, 1/2 f_OSC (is necessary) for executing
the next instruction by the "E" signal after the Busy Flag (DB7) goes to "Low".
2. "x" is don't care.
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