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PCF8536AT 数据表(PDF) 10 Page - NXP Semiconductors |
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PCF8536AT 数据表(HTML) 10 Page - NXP Semiconductors |
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10 / 103 page ![]() PCA8530 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2014. All rights reserved. Product data sheet Rev. 2 — 25 September 2014 10 of 103 NXP Semiconductors PCA8530 Automotive 102 x 4 Chip-On-Glass LCD segment driver 8.2 General control commands 8.2.1 Initialization 8.2.1.1 Command: Initialize This command generates a chip-wide reset of the device without changing the content of the display RAM. For further information about start-up and shut-down, see Section 8.8 on page 26. 8.2.1.2 RST pin The RST pin generates a chip-wide reset of the device without changing the content of the display RAM. For further information about start-up and shut-down, see Section 8.8 on page 26. 8.2.2 Command: OTP-refresh Each IC is calibrated during production and testing of the device in order to achieve the specified accuracy of the VLCD, the frame frequency, and the temperature measurement. This calibration is performed on EPROM cells called One Time Programmable (OTP) cells. These cells are read by the device after a reset and every time when the Initialize command or the OTP-refresh command is sent. The OTP-refresh command takes approximately 10 ms to finish. Table 6. Initialize command bit description Bit Symbol Value Description -R/W 0 fixed value - RS[1:0] 00 fixed value 7 to 0 - 00111010 fixed value Table 7. OTP-refresh - OTP-refresh command bit description Bit Symbol Value Description -R/W 0 fixed value - RS[1:0] 00 fixed value 7 to 0 - 11011000 fixed value |
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