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PCA9620 Datasheet(PDF) 8 Page - NXP Semiconductors |
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PCA9620 Datasheet(HTML) 8 Page - NXP Semiconductors |
8 / 81 page PCA9620 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2013. All rights reserved. Product data sheet Rev. 3 — 3 July 2013 8 of 81 NXP Semiconductors PCA9620 60 x 8 LCD high-drive segment driver for automotive and industrial 8.1.2 Command: OTP-refresh In order to achieve the specified accuracy of VLCD, the frame frequency, and the temperature measurement, each IC is calibrated during production and testing of the device. This calibration is performed on EPROM cells called One Time Programmable (OTP) cells. These cells are read by the device at power-on, after a reset, and every time when the initialize command or the OTP-refresh command is sent. This command will take approximately 10 ms to finish. 8.1.3 Command: oscillator-ctrl The oscillator-ctrl command switches between internal and external oscillator and enables or disables pin CLK. [1] Default value. Table 6. Initialize - initialize command bit description Bit Symbol Value Description 7 to 0 - 00111010 fixed value Table 7. OTP-refresh - OTP-refresh command bit description Bit Symbol Value Description 7 to 0 - 11010000 fixed value Table 8. Oscillator-ctrl - oscillator control command bit description For further information, see Section 8.5 on page 40. Bit Symbol Value Description 7 to 2 - 110011 fixed value 1 COE control pin CLK 0[1] clock signal not available on pin CLK; pin CLK is in 3-state and may be left floating 1 clock signal available on pin CLK 0 OSC oscillator source 0[1] internal oscillator running 1 external oscillator used; pin CLK becomes an input |
Similar Part No. - PCA9620_11 |
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Similar Description - PCA9620_11 |
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