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PCF8536AT bảng dữ liệu(PDF) 11 Page - NXP Semiconductors |
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PCF8536AT bảng dữ liệu(HTML) 11 Page - NXP Semiconductors |
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11 / 54 page ![]() PCA8576F All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2014. All rights reserved. Product data sheet Rev. 3 — 3 December 2014 11 of 54 NXP Semiconductors PCA8576F Automotive 40 × 4 LCD driver When display data is transmitted to the PCA8576F, the received display bytes are stored in the display RAM in accordance with the selected LCD drive mode. The data is stored as it arrives and depending on the current multiplex drive mode the bits are stored singularly, in pairs, triples, or quadruples. To illustrate the filling order, an example of a 7-segment display showing all drive modes is given in Figure 5; the RAM filling organization depicted applies equally to other LCD types, see Section 7.3.1 to Section 7.3.4. 7.3.1 RAM filling in static drive mode In the static drive mode the eight transmitted data bits are placed in eight successive display RAM columns in row 0 (see Figure 6). 7.3.2 RAM filling in 1:2 multiplex drive mode In the 1:2 multiplex drive mode the eight transmitted data bits are placed in four successive display RAM columns of two rows (see Figure 7). Fig 6. Display RAM filling order in static drive mode Fig 7. Display RAM filling order in 1:2 multiplex drive mode |
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