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参数资料
| 型号： | PCF2104C |
| 厂商： | NXP Semiconductors N.V. |
| 英文描述： | LCD controller/driver |
| 中文描述： | LCD控制器/驱动器 |
| 文件页数： | 38/56页 |
| 文件大小： | 366K |
| 代理商： | PCF2104C |
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1997
Dec
16
43
Philips
Semiconductors
Product
specication
LCD
controller/driver
PCF2104x
Notes
1. X = don’t care.
2. SDA is left at high-impedance by the microcontroller during the READ acknowledge.
17
(optional I2C-bus stop) I2C-bus start + slave address for write
(as step 8)
PHILIPS_
18
Control byte:
Co = 1; RS = 0; R/W = 0; Ack = 1
PHILIPS_
19
Return home:
DB7 = 0; DB6 = 0; DB5 = 0; DB4 = 0; DB3 = 0; DB2 = 0;
DB1 = 1; DB0 = 0; Ack = 1
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).
20
Control byte for read:
Co = 0; RS = 1; R/W = 1; Ack = 1
PHILIPS
DDRAM content will be read from following instructions.
The R/W has to be set to 1 while still in I2C-bus write
mode.
21
I2C-bus start
PHILIPS
22
Slave address for read:
SA6 = 0; SA5 = 1; SA4 = 1; SA3 = 1; SA2 = 0; SA1 = 1;
SA0 = 0; R/W = 1; Ack = 1
PHILIPS
During the acknowledge cycle the content of the DR is
loaded into the internal I2C-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.
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
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 I2C-bus interface.
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
PHILIPS
8
× SCL; code of letter ‘H’ is read rst. During master
acknowledge code of ‘I’ is loaded into the I2C-bus
interface.
25
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
No master acknowledge; After the content of the I2C-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.
26
I2C stop
PHILIPS
STEP
I2C-BUS BYTE
DISPLAY
OPERATION
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相关代理商/技术参数 |
参数描述 |
|---|---|
| PCF2104CU | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:LCD controller/driver |
| PCF2104CU/12 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:LCD Display Driver |
| PCF2104CU/2 | 制造商:MOTOROLA 制造商全称:Motorola, Inc 功能描述:LCD controller/driver |
| PCF2104CU/7 | 制造商:MOTOROLA 制造商全称:Motorola, Inc 功能描述:LCD controller/driver |
| PCF2104FAMILY | 制造商:未知厂家 制造商全称:未知厂家 功能描述:LCD Display Driver |
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