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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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CS42L50 датащи(PDF) 34 Page - Cirrus Logic |
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CS42L50 датащи(HTML) 34 Page - Cirrus Logic |
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34 / 48 page  CS42L50 34 DS544PP1 no operation is required. Please note that the inter- nal registers are separated into two unique chip ad- dress blocks, one for the control of the ADC and one for the control of the DAC portion of the codec. SDA is a bidirectional data line. Data is clocked into and out of the part by the clock, SCL, with the clock to data relationship as shown in Figure 5. The upper 6 bits of the 7 bit address field must be 001000. To communicate with the CS42L50, the chip address should match that of the ADC (0010000) or DAC (0010001) address. The eighth bit of the address byte is the R/W bit (high for a read, low for a write). If the operation is a write, the next byte is the Memory Address Pointer, MAP, which selects the register to be read or written. The MAP is then followed by the data to be written. If the operation is a read, the contents of the register pointed to by the MAP will be output after the chip address. The CS42L50 has MAP auto increment capability, enabled by the INCR bit in the MAP register. If INCR is 0, then the MAP will stay constant for suc- cessive writes. If INCR is set to 1, then MAP will auto increment after each byte is written, allowing block reads or writes of successive registers. |
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