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R7FS3A37A3A01CFP Datasheet(PDF) 10 Page - Renesas Technology Corp |
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R7FS3A37A3A01CFP Datasheet(HTML) 10 Page - Renesas Technology Corp |
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10 / 139 page  R01DS0307EU0100 Rev.1.00 Page 10 of 139 Mar 7, 2017 S3A3 1. Overview Table 1.10 Human machine interfaces Feature Functional description Segment LCD Controller (SLCDC) The SLCDC provides the following functions: Waveform A or B selectable The LCD driver voltage generator can switch between an internal voltage boosting method, a capacitor split method, and an external resistance division method Automatic output of segment and common signals based on automatic display data register read The reference voltage generated when operating the voltage boost circuit can be selected in 16 steps (contrast adjustment) The LCD can be made to blink. See section 48, Segment LCD Controller (SLCDC) in User's Manual. Capacitive Touch Sensing Unit (CTSU) The Capacitive Touch Sensing Unit (CTSU) measures the electrostatic capacitance of the touch sensor. Changes in the electrostatic capacitance are determined by software, which enables the CTSU to detect whether a finger is in contact with the touch sensor. The electrode surface of the touch sensor is usually enclosed with an electrical conductor so that a finger does not come into direct contact with the electrode. See section 44, Capacitive Touch Sensing Unit (CTSU) in User's Manual. Table 1.11 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. The snoop function allows monitoring reads from and writes to specific addresses. This function is useful in applications that require CRC code to be generated automatically in certain events, such as monitoring writes to the serial transmit buffer and reads from the serial receive buffer. See section 34, Cyclic Redundancy Check (CRC) Calculator in User's Manual. Data Operation Circuit (DOC) The Data Operation Circuit (DOC) compares, adds, and subtracts 16-bit data. See section 45, Data Operation Circuit (DOC) in User's Manual. Table 1.12 Security Feature Functional description Secure Crypto Engine 5 (SCE5) Security algorithm: - Symmetric algorithm: AES Other support features: - TRNG (True Random Number Generator) - Hash-value generation: GHASH. |
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