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TMS320C6421 데이터시트(PDF) 36 Page - Texas Instruments |
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TMS320C6421 데이터시트(HTML) 36 Page - Texas Instruments |
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36 / 59 page ![]() www.ti.com TMS320C6421 Fixed-Point Digital Signal Processor SPRS346A – JANUARY 2007 – REVISED MARCH 2007 Table 2-18. I2C Terminal Functions SIGNAL TYPE(1) OTHER(2)(3) DESCRIPTION ZWT ZDU NAME NO. NO. I2C For I2C, this pin is I2C clock. In I2C master mode, this pin is an output. In I2C slave mode, this pin is an input. SCL M2 N2 I/O/Z DVDD33 When the I2C module is used, for proper device operation, this pin must be pulled up via an external resistor. For I2C, this pin is the I2C bi-directional data signal. SDA M3 P2 I/O/Z DVDD33 When the I2C module is used, for proper device operation, this pin must be pulled up via an external resistor. (1) I = Input, O = Output, Z = High impedance, S = Supply voltage, GND = Ground, A = Analog signal (2) IPD = Internal pulldown, IPU = Internal pullup. For more detailed information on pullup/pulldown resistors and situations where external pullup/pulldown resistors are required, see Section 3.2.1, Pullup/Pulldown Resistors. (3) Specifies the operating I/O supply voltage for each signal Device Overview 36 Submit Documentation Feedback |
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