PCF8537 datasheet(23/82 Pages) NXP

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PCF8537

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Product data sheet

Rev. 1 — 31 May 2012

23 of 82

NXP Semiconductors

PCF8537

Industrial LCD driver for multiplex rates up to 1:8

8.3 Possible display configurations

The PCF8537 is a versatile peripheral device designed to interface between any

microcontroller to a wide variety of LCD segment or dot matrix displays (see Figure 13). It

can directly drive any static or multiplexed LCD containing up to eight backplanes with

44 segments.

The display configurations possible with the PCF8537 depend on the number of active

backplane outputs required. A selection of possible display configurations is given in

Table 24.

[1]

7 segment display has 8 elements including the decimal point.

[2]

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

All of the display configurations in Table 24 can be implemented in the typical systems

shown in Figure 14 (internal VLCD) and in Figure 15 (external VLCD).

Fig 13. Example of displays suitable for PCF8537

Table 24.

Selection of display configurations

Number of

Digits/Characters

Dot matrix/

Elements

Backplanes

Segments

Icons

7 segment[1]

14 segment[2]

352

352 dots (8

 44)

276

276 dots (6

 46)

176

176 dots (4

 44)

88 dots (2

 44)

144

44 dots (1

 44)

7-segment with dot

14-segment with dot and accent

013aaa312

dot matrix

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