PCF8536AT datasheet(36/54 Pages) NXP

tên linh kiện	PCF8536AT

Giải thích chi tiết về linh kiện	Automotive 80 횞 4 LCD driver for low multiplex rates

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PCA85233

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Product data sheet

Rev. 5 — 12 November 2018

36 of 54

NXP Semiconductors

PCA85233

Automotive 80 × 4 LCD driver for low multiplex rates

When cascaded PCA85233 are synchronized, they can share the backplane signals from

one of the devices in the cascade. Such an arrangement is cost-effective in large LCD

applications since the backplane outputs of only one device need to be through-plated to

the backplane electrodes of the display. The other PCA85233 of the cascade contribute

additional segment outputs. The backplanes can either be connected together to enhance

the drive capability or some can be left open-circuit (such as the ones from the slave in

Figure 25) or just some of the master and some of the slave will be taken to facilitate the

layout of the display.

Table 22.

Addressing cascaded PCA85233

Cluster

Bit SA0

Pin A1

Pin A0

Device

000

011

102

113

004

015

106

117

(1) Is master (OSC connected to VSS).

(2) Is slave (OSC connected to VDD).

Fig 25. Cascaded PCA85233 configuration

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