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PCA2117DUGS/DA 数据表(PDF) 27 Page - NXP Semiconductors |
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PCA2117DUGS/DA 数据表(HTML) 27 Page - NXP Semiconductors |
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27 / 107 page  PCA2117 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2015. All rights reserved. Product data sheet Rev. 4 — 8 April 2015 27 of 107 NXP Semiconductors PCA2117 Automotive LCD driver for character displays 8.2 Start-up and shut-down 8.2.1 Initialization The first command sent to the device after power-on or a reset by using the RST pin must be the Initialize command (see Section 8.1.1.2). The Initialize command resets the PCA2117 to the following starting conditions: 1. All row and column driver outputs are set to VSS1. 2. Selected drive mode is the 1 40 character mode. 3. The address counter is cleared (set logic 0). 4. Temperature measurement is disabled. 5. Temperature filter is disabled. 6. The internal VLCD voltage generation is disabled. The charge pump is switched off. 7. The VLCD temperature compensation is disabled. 8. The display is disabled. The reset state is as shown in Table 34. |
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