PCF2119AU NXP [NXP Semiconductors], PCF2119AU Datasheet - Page 70
PCF2119AU
Manufacturer Part Number
PCF2119AU
Description
LCD controllers/drivers Single-chip LCD controller and driver
Manufacturer
NXP [NXP Semiconductors]
Datasheet
1.PCF2119AU.pdf
(83 pages)
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PCF2119X
Product data sheet
i2c_write(0x06); // 00110
i2c_stop();
// Until here the definition of the character and writing it into the CGRAM. Now it
// still needs to be displayed. See below.
// PCF2119, setting of proper display modes
startI2C();
// PCF2119 slave address for write, SA0 is connected to Vdd
SendI2CAddress(0x70);
// MSB (Continuation bit Co) = 0, more than one byte may follow. Bit6, RS=0, next byte
// is command byte
i2c_write(0x00);
// 2 lines x 16, 1/18 duty, extended instruction set. Next byte will be another
// command.
i2c_write(0x25);
// Set display configuration to right to left, column 80 to 1. Row data displ. top to
// bottom,1 to 16.
i2c_write(0x06);
// Set to character mode, full display, icon blink disabled
i2c_write(0x08);
// Set voltage multiplier to 2
i2c_write(0x40);
// Set Vlcd and store in register VA
i2c_write(0xA0);
// Change from extended instruction set to basic instruction set
i2c_write(0x24);
// Display control: set display on, cursor off, no blink
i2c_write(0x0C);
// Entry mode set, increase DDRAM after access, no shift
i2c_write(0x06);
// Return home, set DDRAM address 0 in address counter
i2c_write(0x02);
// Clear entire display, set DDRAM address to 0 in address counter
i2c_write(0x01);
// Repeated Start condition because RS needs to be changed from 0 to 1
startI2C();
SendI2CAddress(0x70);
// RS=1, next byte is data
i2c_write(0x40);
// Write the character at address 0, which is the previously defined Euro currency
// character
i2c_write(0x00);
i2c_stop();
All information provided in this document is subject to legal disclaimers.
Rev. 7 — 15 November 2010
LCD controllers/drivers
PCF2119x
© NXP B.V. 2010. All rights reserved.
70 of 83
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