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): 41/48頁
文件大?。?/td> 289K
代理商: PCF2105
1
4
P
P
L
P
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Notes
1.
2.
X = don’t care.
SDA is left at high-impedance by the microcontroller during the READ acknowledge.
22
slave address for read
SA6
SA5
0
1
PHILIPS
during the acknowledge cycle the content of the DR is loaded
into the internal I
2
C-bus interface and to be shifted out; in the
previous instruction neither a ‘set address’ nor a ‘read data’ has
been performed; therefore the content of the DR was unknown
SA4
1
SA3
1
SA2
0
SA1
1
SA0
0
R/W
1
Ack
1
23
read data: 8
×
SCL + master acknowledge; note 2
DB7
DB6
DB5
DB4
X
X
X
X
PHILIPS
8
×
SCL; content loaded into interface during previous
acknowledge cycle and shifted out over SDA; MSB is DB7;
during master acknowledge content of DDRAM address 01 is
loaded into the I
2
C-bus interface
8
×
SCL; code of letter ‘H’ is read first; during master
acknowledge code of letter ‘I’ is loaded into the I
2
C-bus
interface
DB3
X
DB2
X
DB1
X
DB0
X
Ack
1
24
read data: 8
×
SCL + master acknowledge; note 2
DB7
DB6
DB5
DB4
0
1
0
0
read data: 8
×
SCL + no master acknowledge; note 2
DB7
DB6
DB5
DB4
0
1
0
0
PHILIPS
DB3
1
DB2
0
DB1
0
DB0
0
Ack
0
25
PHILIPS
no master acknowledge; after the content of the I
2
C-bus
interface register is shifted out no internal action is performed;
no new data is loaded to the interface register; DR is not
updated; AC is not incremented and cursor is not shifted
DB3
1
DB2
0
DB1
0
DB0
1
Ack
1
26
I
2
C-bus stop
PHILIPS
STEP
INSTRUCTION
DISPLAY
OPERATION
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