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The chip is configured by writing control information into sixteen control registers within the chip. The contents of these control registers and how to use them are described in Section 4.0. The registers are written to or read from using the C[0:7], A[0:3], RE, WE, and CE pins. Each control register has been assigned a unique address within the chip. An external processor (a microprocessor, computer, or DSP chip) can write into a register by setting A[0:3] to the desired register address, setting the CE pin low, setting C[0:7] to the desired value and then pulsing WE low. RE must remain high
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