參數(shù)資料
型號： PCF2114xU
廠商： NXP Semiconductors N.V.
英文描述： LCD controller/drivers(LCD控制器/驅(qū)動(dòng)器)
中文描述： LCD控制器/驅(qū)動(dòng)器（液晶顯示控制器/驅(qū)動(dòng)器）
文件頁數(shù)： 47/64頁
文件大小： 407K
代理商： PCF2114XU
1
4
P
P
L
P
Table 8
Example of I
2
C operation; 1-line display (using internal reset, assuming SA0 = V
SS
; note 1)
STEP
I
2
C BYTE
DISPLAY
OPERATION
1
2
I
2
C START
slave address for write
SA6 SA5 SA4 SA3 SA2 SA1 SA0 R/W Ack
0
1
1
1
0
send a control byte for function set
Co
RS
R/W
0
0
0
X
X
function set
DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
0
0
1
X
0
display on/off control
DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
0
0
0
0
1
entry mode set
DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
0
0
0
0
0
Initialized. No display appears.
During the acknowledge cycle SDA will be pulled-down by the
PCF2116.
1
0
0
1
3
Ack
1
Control byte sets RS and R/W for following data bytes.
X
X
X
4
Ack
1
Selects 1-line display and V
LCD
= V
0
; SCL pulse during
acknowledge cycle starts execution of instruction.
0
0
0
5
_
Ack
1
Turns on display and cursor. Entire display shows character
Hex 20 (blank in ASCII-like character sets).
1
1
0
6
_
Ack
1
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.
1
1
0
7
I
2
C START
_
For writing data to DDRAM, RS must be set to 1. Therefore a
control byte is needed.
8
slave address for write
SA6 SA5 SA4 SA3 SA2 SA1 SA0 R/W
0
1
1
1
send a control byte for write data
Co
RS
R/W
0
1
0
X
write data to DDRAM
DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
0
1
0
1
_
Ack
1
0
1
0
0
9
_
Ack
1
X
X
X
X
10
Ack
1
Writes ‘P’. The DDRAM has been selected at power-up.
The cursor is incremented by 1 and shifted to the right.
0
0
0
0
P_
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PCF2116AH 制造商:未知廠家 制造商全稱:未知廠家 功能描述:LCD Display Driver
PCF2116AHZ 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:LCD controller/drivers
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