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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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RA4E1 датащи(PDF) 5 Page - Renesas Technology Corp |
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RA4E1 датащи(HTML) 5 Page - Renesas Technology Corp |
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5 / 81 page  Table 1.10 Data processing Feature Functional description Cyclic Redundancy Check (CRC) calculator The Cyclic Redundancy Check (CRC) generates CRC codes to detect errors in the data. The bit order of CRC calculation results can be switched for LSB-first or MSB-first communication. Additionally, various CRC-generation polynomials are available. Data Operation Circuit (DOC) The Data Operation Circuit (DOC) compares, adds, and subtracts 16-bit data. When a selected condition applies, 16-bit data is compared and an interrupt can be generated. Table 1.11 I/O ports Feature Functional description Programmable I/O ports ● I/O ports for the 64-pin LQFP – I/O pins: 43 – Input pins: 1 – Pull-up resistors: 44 – N-ch Open-drain outputs: 43 – 5-V tolerance: 9 ● I/O ports for the 48-pin QFN – I/O pins: 29 – Input pins: 1 – Pull-up resistors: 30 – N-ch Open-drain outputs: 29 – 5-V tolerance: 4 RA4E1 Datasheet 1. Overview R01DS0391EJ0110 Rev.1.10 Feb 4, 2022 Page 5 of 81 |
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