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PCF8536AT 数据表(PDF) 11 Page - NXP Semiconductors |
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PCF8536AT 数据表(HTML) 11 Page - NXP Semiconductors |
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11 / 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 11 of 103 NXP Semiconductors PCA8530 Automotive 102 x 4 Chip-On-Glass LCD segment driver 8.2.3 Command: Device-address The Device-address command allows setting the address of the device in a cascaded configuration and corresponds with pins A0 and A1 (see Section 15.2 on page 80). 8.2.4 Command: SYNC1_pin With the SYNC1_pin command, the SYNC1 pin can be configured for using the PCA8530 as a single chip or a master in a cascade. If the PCA8530 is a slave in a cascade, the command has no effect. Table 8. Device-address - device address command bit description Bit Symbol Value Description -R/W 0 fixed value - RS[1:0] 00 fixed value 7 to 2 - 000110 fixed value 1 to 0 A[1:0] set address 00 master 01 slave 1 10 slave 2 11 slave 3 Table 9. SYNC1_pin - SYNC1 pin configuration command bit description This command has no effect if the PCA8530 is a slave in a cascade. Bit Symbol Value Description -R/W 0 fixed value - RS[1:0] 00 fixed value 7 to 1 - 1011100 fixed value 0OE SYNC1 pin configuration 0 pin SYNC1 is an output; gated to 0 V; to be used when PCA8530 is a single chip 1 pin SYNC1 is an output; providing the synchronization signal; to be used when PCA8530 is a master in a cascade |
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