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PCA9620 データシート(PDF) 13 Page - NXP Semiconductors |
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PCA9620 データシート(HTML) 13 Page - NXP Semiconductors |
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13 / 71 page  PCA9620 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2010. All rights reserved. Product data sheet Rev. 1 — 9 December 2010 13 of 71 NXP Semiconductors PCA9620 Universal LCD driver for low multiplex rates All of the display configurations in Table 24 can be implemented in the typical systems shown in Figure 4 (internal VLCD) and in Figure 5 (external VLCD). Fig 3. Example of displays suitable for PCA9620 Table 24. Selection of possible display configurations Number of Backplanes Icons Digits/Characters Dot matrix/ Elements 7-segment 14-segment 8 480 60 30 480 dots (8 × 60) 6 320 45 22 360 dots (6 × 60) 4 240 30 15 240 dots (4 × 60) 2 120 15 7 120 dots (2 × 60) 160 7 360 dots (1 × 60) VDD1 from 2.5 V to 5.5 V and VDD2 from 2.5 V to 5.5 V. Fig 4. Typical system configuration when using the internal VLCD generation 7-segment with dot 14-segment with dot and accent 013aaa312 dot matrix HOST PROCESSOR/ MICRO- CONTROLLER R ≤ tr 2Cb SDA SCL 60 segment drives 8 backplanes LCD PANEL (up to 480 elements) PCA9620 A0 A1 VDD1 VSS VSS 013aaa247 VDD2 VLCD VDD2 VDD1 CLK n.c. |
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