PCF2105MU PHILIPS [NXP Semiconductors], PCF2105MU Datasheet - Page 39

• Manufacturer Part Number: PCF2105MU
• Description: LCD controller/driver
• Manufacturer: PHILIPS [NXP Semiconductors]

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Table 9 Example of I
STEP
STEP
12
13
14
15
1
2
3
4
5
6
write data to CGRAM or DDRAM
RS
write data to CGRAM or DDRAM
RS
return home
RS
I
slave address for write
SA6
send a control byte for function set
Co
function set
DB7
display control
DB7
entry mode set
DB7
2
C-bus start
0
1
0
0
0
0
0
0
R/W DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0 MICROCO_
R/W DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0 ICROCOM_
R/W DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0 MICROCOM
SA5
RS
DB6
DB6
DB6
0
0
0
1
0
0
0
0
2
SA4
R/W
DB5
DB5
DB5
0
1
0
C-bus operation; 1-line display; using internal reset (assuming SA0 = V
1
0
1
0
0
0
1
0
SA3
Ack
DB4
DB4
DB4
INSTRUCTION
INSTRUCTION
X
1
1
0
0
0
0
0
SA2
DB3
DB3
DB3
0
0
1
0
0
0
0
SA1
DB2
DB2
DB2
1
0
1
1
0
1
0
SA0
DB1
DB1
DB1
0
0
1
1
1
1
0
R/W
DB0
DB0
DB0
0
0
0
0
1
0
1
Ack
Ack
Ack
Ack
1
1
1
1
1
1
0
PHILIPS
HILIPS
PHILIPS
_
_
DISPLAY
DISPLAY
|
|
|
sets mode for display shift at the time of write
writes ‘M’; display is shifted to the left; the first and second lines
shift together
returns both display and cursor to the original position
(address 0)
initialized; no display appears
during the acknowledge cycle SDA will be pulled-down by the
PCF2105
control byte sets RS and R/W for following data bytes
selects 1-line display; SCL pulse during acknowledge cycle
starts execution of instruction
turns display and cursor on; entire display shows character
hexadecimal 20 (blank in ASCII-like character sets)
sets mode to increment the address by 1 and to shift the cursor
to the right at the time of write to the DDRAM or CGRAM;
display is not shifted
SS
); note 1
OPERATION
OPERATION