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LC074146LP Scheda tecnica(PDF) 11 Page - Sanyo Semicon Device |
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LC074146LP Scheda tecnica(HTML) 11 Page - Sanyo Semicon Device |
11 / 31 page LC074146LP No.A0906-11/31 Continued from precceding page. Microcontroller Serial Interface The internal registers values are written by the serial interface consisting of the three CSB, SCK, and SDA lines. When the CSB pin is set low, the LC074146LP is switched into the mode that enables operation. The data is received on a byte basis with MSB first. Continuous access (burst access) is also possible, and the addresses incremented by 1 are accessed in sequence with each byte following access to the register specified by the address byte. If the size of data exceeding the highest address (0E) is accessed in this process, the data concerned is treated as invalid. In other word, the address never wraps around to 00 (HEX). Transferring data to one address Transferring data to contiguous addresses P1 MICPWR MIC power supply P40 MICOUT MIC output P39 ALCIN 20k Ω ALC input 100 Ω PLL detector P37 VCOFIL A[7:0] : Designated address D[7:0] : Register data X : Invalid CSB SCK SDA WRITE DATA (address A) ADDRESS BYTE X X X X A[7] A[6] A[5] A[4] A[3] A[2] A[1] A[0] D[7] D[6] D[5] D[4] D[3] D[2] D[1] D[0] CSB SCK SDA WRITE DATA (address) ADDRESS BYTE WRITE DATA (address) D0[7] D0[6] D0[5] D0[4] D0[3] D0[2] D0[1] D0[0] A[6] A[5] A[4] A[3] A[2] A[1] A[0] D1[7] D1[6] D1[5] D1[4] D1[3] D1[2] D1[1] D1[0] X X X X Dn[0] A[7] |
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