PCF8576C datasheet(9/57 Pages) NXP

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PCF8576C

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Product data sheet

Rev. 10 — 22 July 2010

9 of 57

NXP Semiconductors

PCF8576C

Universal LCD driver for low multiplex rates

Functional description

The PCF8576C is a versatile peripheral device designed to interface between any

microprocessor or microcontroller to a wide variety of LCD segment or dot matrix displays

(see Figure 6). It can directly drive any static or multiplexed LCD containing up to four

backplanes and up to 40 segments.

The possible display configurations of the PCF8576C depend on the number of active

backplane outputs required. A selection of display configurations is shown in Table 4. All

of these configurations can be implemented in the typical system shown in Figure 7.

Fig 6.

Example of displays suitable for PCF8576C

Table 4.

Selection of possible display configurations

Number of

Backplanes

Icons

Digits/Characters

Dot matrix/

Elements

7-segment

14-segment

160

160 dots (4

× 40)

120

120 dots (3

× 40)

280

80 dots (2

× 40)

140

240 dots (1

× 40)

7-segment with dot

14-segment with dot and accent

013aaa312

dot matrix

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