HD66710 Datasheet, PDF (56/73 Pages) Hitachi Semiconductor – (Dot Matrix Liquid Crystal Display Controller/Driver)

HD66710
Table 17 8-Bit Operation, 8-Digit × 4-Line Display Example with Internal Reset
Step
Instruction
: No. RS R/ D7 D6 D5 D4 D3 D2 D1 D0 Display
1 Power supply on (the HD66710 is initialized by the internal reset
circuit)
Operation
Initialized. No display.
2 Function set
00001101* *
Sets to 8 bit operation and the
extended register enable bit.
3 4-line mode set
0000001001
Sets 4-line display.
4 Function set
Clear extended register enable bit
00001100* *
5 Display on/off control
0000001110
_
6 Entry mode set
0000000110
_
7 Write data to CGRAM/DDRAM
1001001000
H_
8—
Clears the extended register
enable bit. Setting the N bit is
“don’t care”.
Turns on display and cursor.
Entire display is in space mode
because of initialization.
Sets mode to increment the
address by one and to shift the
cursor to the right at the time of
write to the RAM. Display is not
shifted.
Writes H. DDRAM has already
been selected by initialization
when the power was turned on.
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