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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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PCAL9535APW датащи(PDF) 6 Page - NXP Semiconductors |
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PCAL9535APW датащи(HTML) 6 Page - NXP Semiconductors |
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6 / 46 page  PCAL9535A All information provided in this document is subject to legal disclaimers. © NXP B.V. 2012. All rights reserved. Product data sheet Rev. 1 — 28 September 2012 6 of 46 NXP Semiconductors PCAL9535A Low-voltage 16-bit I2C-bus I/O port with interrupt and Agile I/O [1] Undefined. Fig 5. Pointer register bits 002aaf540 B7 B6 B5 B4 B3 B2 B1 B0 Table 4. Command byte Pointer register bits Command byte (hexadecimal) Register Protocol Power-up default B7 B6 B5 B4 B3 B2 B1 B0 0 0 0 0 0 0 0 0 00h Input port 0 read byte xxxx xxxx[1] 0 0 0 0 0 0 0 1 01h Input port 1 read byte xxxx xxxx 0 0 0 0 0 0 1 0 02h Output port 0 read/write byte 1111 1111 0 0 0 0 0 0 1 1 03h Output port 1 read/write byte 1111 1111 0 0 0 0 0 1 0 0 04h Polarity Inversion port 0 read/write byte 0000 0000 0 0 0 0 0 1 0 1 05h Polarity Inversion port 1 read/write byte 0000 0000 0 0 0 0 0 1 1 0 06h Configuration port 0 read/write byte 1111 1111 0 0 0 0 0 1 1 1 07h Configuration port 1 read/write byte 1111 1111 0 1 0 0 0 0 0 0 40h Output drive strength register 0 read/write byte 1111 1111 0 1 0 0 0 0 0 1 41h Output drive strength register 0 read/write byte 1111 1111 0 1 0 0 0 0 1 0 42h Output drive strength register 1 read/write byte 1111 1111 0 1 0 0 0 0 1 1 43h Output drive strength register 1 read/write byte 1111 1111 0 1 0 0 0 1 0 0 44h Input latch register 0 read/write byte 0000 0000 0 1 0 0 0 1 0 1 45h Input latch register 1 read/write byte 0000 0000 0 1 0 0 0 1 1 0 46h Pull-up/pull-down enable register 0 read/write byte 0000 0000 0 1 0 0 0 1 1 1 47h Pull-up/pull-down enable register 1 read/write byte 0000 0000 0 1 0 0 1 0 0 0 48h Pull-up/pull-down selection register 0 read/write byte 1111 1111 0 1 0 0 1 0 0 1 49h Pull-up/pull-down selection register 1 read/write byte 1111 1111 0 1 0 0 1 0 1 0 4Ah Interrupt mask register 0 read/write byte 1111 1111 0 1 0 0 1 0 1 1 4Bh Interrupt mask register 1 read/write byte 1111 1111 0 1 0 0 1 1 0 0 4Ch Interrupt status register 0 read byte 0000 0000 0 1 0 0 1 1 0 1 4Dh Interrupt status register 1 read byte 0000 0000 0 1 0 0 1 1 1 1 4Fh Output port configuration register read/write byte 0000 0000 |
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