PCF8576DTSLASHS400SLASH2 datasheet(7/57 Pages) NXP

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PCF8576D

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Product data sheet

Rev. 14 — 10 June 2013

7 of 57

NXP Semiconductors

PCF8576D

Universal LCD driver for low multiplex rates

Functional description

The PCF8576D is a versatile peripheral device designed to interface between any

microcontroller to a wide variety of LCD segment or dot matrix displays (see Figure 4). 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 PCF8576D depend on the number of active

backplane outputs required. A selection of display configurations is shown in Table 5. All

of these configurations can be implemented in the typical system shown in Figure 5.

[1]

7 segment display has 8 elements including the decimal point.

[2]

14 segment display has 16 elements including decimal point and accent dot.

Fig 4.

Example of displays suitable for PCF8576D

Table 5.

Selection of possible display configurations

Number of

Backplanes

Icons

Digits/Characters

Dot matrix/

Elements

7-segment[1]

14-segment[2]

160

160 (4

 40)

120

120 (3

 40)

280

580 (2

 40)

140

5240 (1

 40)

7-segment with dot

14-segment with dot and accent

013aaa312

dot matrix

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