PCE85176AUGSLASHDA datasheet(14/48 Pages) NXP

14 / 48 page

PCE85176AUG

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Product data sheet

Rev. 1 — 12 January 2015

14 of 48

NXP Semiconductors

PCE85176AUG

4 × 40 LCD segment driver for Chip-On-Glass

There are two banks; bank 0 and bank 1. Figure 6 shows the location of these banks

relative to the RAM map. Input and output banks can be set independently from one

another with the Bank-select command (see Table 14). Figure 7 shows the concept.

In the static drive mode, the bank-select command may request the contents of row 2 to

be selected for display instead of the contents of row 0. In the 1:2 multiplex mode, the

contents of rows 2 and 3 may be selected instead of rows 0 and 1. This gives the

provision for preparing display information in an alternative bank and to be able to switch

to it once it is assembled.

In Figure 8 an example is shown for 1:2 multiplex drive mode where the displayed data is

read from the first two rows of the memory (bank 0), while the transmitted data is stored in

the second two rows of the memory (bank 1).

Fig 6.

RAM banks in static and multiplex driving mode 1:2

Fig 7.

Bank selection

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