PCF2114AU/10 PHILIPS [NXP Semiconductors], PCF2114AU/10 Datasheet - Page 23

• Manufacturer Part Number: PCF2114AU/10
• Description: LCD controller/drivers
• Manufacturer: PHILIPS [NXP Semiconductors]

Table 3 Instructions (note 1)
Notes
1. In the I
2. Example: f
NOP
Clear display
Return Home
Entry mode set
Display control
Cursor/display
shift
Function set
Set CGRAM
address
Set DDRAM
address
Read busy flag
and address
Read data
Write data
INSTRUCTION
In the I
2
2
C-bus mode the DL bit is don't care. 8-bit mode is assumed.
C-bus mode a control byte is required when RS or R/W is changed; control byte: Co, RS, R/W, 0, 0, 0, 0, 0; command byte: DB7 to DB0.
osc
= 150 kHz,
RS
0
0
0
0
0
0
0
0
0
0
1
1
R/W DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
0
0
0
0
0
0
0
0
0
1
1
0
T
cy
BF
=
0
0
0
0
0
0
0
0
1
-------- -
f
osc
1
0
0
0
0
0
0
0
1
= 6.67 s; 3 cycles = 20 s, 165 cycles = 1.1 ms.
0
0
0
0
0
0
1
write data
DL
read data
0
0
0
0
0
1
S/C
A
A
N
0
0
0
0
1
DD
C
A
CG
R/L
D
M
0
0
0
1
I/D
G
C
0
0
1
0
S
B
0
1
0
0
0
No operation.
Clears entire display and sets DDRAM
address 0 in Address Counter.
Sets DDRAM address 0 in Address Counter.
Also returns shifted display to original position.
DDRAM contents remain unchanged.
Sets cursor move direction and specifies shift
of display. These operations are performed
during data write and read.
Sets entire display on/off (D), cursor on/off (C)
and blink of cursor position character (B).
Moves cursor and shifts display without
changing DDRAM contents.
Sets interface data length (DL), number of
display lines (N, M) and voltage generator
control (G).
Sets CGRAM address.
Sets DDRAM address.
Reads Busy Flag (BF) indicating internal
operation is being performed and reads
Address Counter contents.
Reads data from CGRAM or DDRAM.
Writes data to CGRAM or DDRAM.
DESCRIPTION
REQUIRED
CYCLES
CLOCK
165
0
3
3
3
3
3
3
3
0
3
3
(2)