參數(shù)資料
型號(hào)： PCF2104C
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(yè)數(shù)： 37/56頁(yè)
文件大?。?/td> 366K
代理商： PCF2104C
1997
Dec
16
42
Philips
Semiconductors
Product
specication
LCD
controller/driver
PCF2104x
Table 9
Example of I2C-bus operation; 1-line display (using internal reset, assuming SA0 = VSS; note 1)
STEP
I2C-BUS BYTE
DISPLAY
OPERATION
1I2C-bus start
Initialized. No display appears.
2
Slave address for write:
SA6 = 0; SA5 = 1; SA4 = 1; SA3 = 1; SA2 = 0; SA1 = 1;
SA0 = 0; R/W = 0; Ack = 1
During the acknowledge cycle SDA will be pulled-down by
the PCF2104x.
3
Send a control byte for function set:
Co = 0; RS = 0; R/W = 0; Ack = 1
Control byte sets RS and R/W for following data bytes.
4
Function set:
DB7 = 0; DB6 = 0; DB5 = 1; DB4 = X; DB3 = 0; DB2 = 0;
DB1 = 0; DB0 = 0; Ack = 1
Selects 1-line display; SCL pulse during acknowledge
cycle starts execution of instruction.
5
Display on/off control:
DB7 = 0; DB6 = 0; DB5 = 0; DB4 = 0; DB3 = 1; DB2 = 1;
DB1 = 1; DB0 = 0; Ack = 1
_
Turns on display and cursor. Entire display shows
character Hex 20 (blank in ASCII-like character sets).
6
Entry mode set:
DB7 = 0; DB6 = 0; DB5 = 0; DB4 = 0; DB3 = 0; DB2 = 1;
DB1 = 1; DB0 = 0; 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.
7I2C-bus start
_
For writing data to DDRAM, RS must be set to 1.
Therefore a control byte is needed.
8
Slave address for write:
SA6 = 0; SA5 = 1; SA4 = 1; SA3 = 1; SA2 = 0; SA1 = 1;
SA0 = 0; R/W = 0; Ack = 1
_
9
Send a control byte for write data:
Co = 0; RS = 1; R/W = 0; Ack = 1
_
10
Write data to DDRAM:
DB7 = 0; DB6 = 1; DB5 = 0; DB4 = 1; DB3 = 0; DB2 = 0;
DB1 = 0; DB0 = 0; Ack = 1
P_
Writes ‘P’. The DDRAM has been selected at power-up.
The cursor is incremented by 1 and shifted to the right.
11
Write data to DDRAM:
DB7 = 0; DB6 = 1; DB5 = 0; DB4 = 0; DB3 = 1; DB2 = 0;
DB1 = 0; DB0 = 0; Ack = 1
PH_
Writes ‘H’.
12 to 15
|
16
Write data to DDRAM:
DB7 = 0; DB6 = 1; DB5 = 0; DB4 = 1; DB3 = 0; DB2 = 0;
DB1 = 1; DB0 = 1; Ack = 1
PHILIPS_
Writes ‘S’.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
PCF2104CU 制造商:PHILIPS 制造商全稱(chēng):NXP Semiconductors 功能描述:LCD controller/driver
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PCF2104CU/2 制造商:MOTOROLA 制造商全稱(chēng):Motorola, Inc 功能描述:LCD controller/driver
PCF2104CU/7 制造商:MOTOROLA 制造商全稱(chēng):Motorola, Inc 功能描述:LCD controller/driver
PCF2104FAMILY 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:LCD Display Driver
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