參數(shù)資料
型號(hào)： PCF2104NU
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)： 43/56頁
文件大?。?/td> 366K
代理商： PCF2104NU
1
4
P
P
L
P
Notes
1.
2.
X = don’t care.
SDA is left at high-impedance by the microcontroller during the READ acknowledge.
17
(optional I
2
C-bus stop) I
2
C-bus start + slave address for write
(as step 8)
Control byte:
Co = 1; RS = 0; R/W = 0; Ack = 1
Return home:
DB7 = 0; DB6 = 0; DB5 = 0; DB4 = 0; DB3 = 0; DB2 = 0;
DB1 = 1; DB0 = 0; Ack = 1
PHILIPS_
18
PHILIPS_
19
PHILIPS
Sets DDRAM address 0 in Address Counter. (Also returns
shifted display to original position. DDRAM contents
unchanged). This instruction does not update the Data
Register (DR).
DDRAM content will be read from following instructions.
The R/W has to be set to 1 while still in I
2
C-bus write
mode.
20
Control byte for read:
Co = 0; RS = 1; R/W = 1; Ack = 1
PHILIPS
21
22
I
2
C-bus start
Slave address for read:
SA6 = 0; SA5 = 1; SA4 = 1; SA3 = 1; SA2 = 0; SA1 = 1;
SA0 = 0; R/W = 1; Ack = 1
PHILIPS
PHILIPS
During the acknowledge cycle the content of the DR is
loaded into the internal I
2
C-bus interface 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.
8
×
SCL; content loaded into interface during previous
acknowledge cycle is 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 ‘I’ is loaded into the I
2
C-bus
interface.
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,
Data Register (DR) is not updated, Address Counter (AC)
is not incremented and cursor is not shifted.
23
Read data: 8
×
SCL + master acknowledge; note 2:
DB7 = X; DB6 = X; DB5 = X; DB4 = X; DB3 = X; DB2 = X;
DB1 = X; DB0 = X; Ack = 1
PHILIPS
24
Read data: 8
×
SCL + master acknowledge; note 2:
DB7 = 0; DB6 = 1; DB5 = 0; DB4 = 0; DB3 = 1; DB2 = 0;
DB1 = 0; DB0 = 0; Ack = 0
Read data: 8
×
SCL + no master acknowledge; note 2:
DB7 = 0; DB6 = 1; DB5 = 0; DB4 = 0; DB3 = 1; DB2 = 0;
DB1 = 0; DB0 = 1; Ack = 1
PHILIPS
25
PHILIPS
26
I
2
C stop
PHILIPS
STEP
I
2
C-BUS BYTE
DISPLAY
OPERATION
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
PCF2104NU/2 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:LCD controller/driver
PCF2104NU/7 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:LCD controller/driver
PCF2104X 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:LCD controller/driver
PCF2105 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:LCD controller/driver
PCF2105MU 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:LCD controller/driver
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