參數(shù)資料
型號(hào): PCF2105
廠商: NXP Semiconductors N.V.
英文描述: LCD controller/driver
中文描述: LCD控制器/驅(qū)動(dòng)器
文件頁數(shù): 39/48頁
文件大?。?/td> 289K
代理商: PCF2105
1
3
P
P
L
P
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Table 9
Example of I
2
C-bus operation; 1-line display; using internal reset (assuming SA0 = V
SS
); note 1
12
write data to CGRAM or DDRAM
RS
R/W DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
MICROCO_
0
0
0
0
0
0
write data to CGRAM or DDRAM
RS
R/W DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
ICROCOM_
1
0
1
1
0
0
PHILIPS
sets mode for display shift at the time of write
0
1
1
1
13
HILIPS
writes ‘M’; display is shifted to the left; the first and second lines
shift together
1
1
0
1
14
|
|
|
15
return home
RS
0
PHILIPS
returns both display and cursor to the original position
(address 0)
R/W DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
MICROCOM
0
0
0
0
0
0
0
1
0
STEP
INSTRUCTION
DISPLAY
OPERATION
1
2
I
2
C-bus start
slave address for write
SA6
SA5
0
1
send a control byte for function set
Co
RS
R/W
0
0
0
function set
DB7
DB6
DB5
0
0
1
display control
DB7
DB6
DB5
0
0
0
entry mode set
DB7
DB6
DB5
0
0
0
initialized; no display appears
during the acknowledge cycle SDA will be pulled-down by the
PCF2105
SA4
1
SA3
1
SA2
0
SA1
1
SA0
0
R/W
0
Ack
1
3
control byte sets RS and R/W for following data bytes
Ack
1
4
selects 1-line display; SCL pulse during acknowledge cycle
starts execution of instruction
DB4
X
DB3
0
DB2
0
DB1
0
DB0
0
Ack
1
5
_
turns display and cursor on; entire display shows character
hexadecimal 20 (blank in ASCII-like character sets)
DB4
0
DB3
1
DB2
1
DB1
1
DB0
0
Ack
1
6
_
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
DB4
0
DB3
0
DB2
1
DB1
1
DB0
0
Ack
1
STEP
INSTRUCTION
DISPLAY
OPERATION
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