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AK7755EN Datasheet(PDF) 70 Page - Asahi Kasei Microsystems |
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AK7755EN Datasheet(HTML) 70 Page - Asahi Kasei Microsystems |
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70 / 109 page  [AK7755] 014006643-E-00 2014/10 - 70 - 5-2. Read Sequence1 (with PRAM, CRAM, OFREG addresses) CSN SI COMMAND ADDRESS1 ADDRESS2 COMMAND ADDRESS1 SO COMMAND ADDRESS1 READ DATA READ DATA COMMAND don’tcare (L/H) Hi-Z or Low Figure 51. Read Sequence1 in Echo-Back Mode (SPI) Data of the address2 field is not echoed back in read operation. The read data on the SO pin is output after writing to the address2 field. 5-3. Read Sequence2 (No Register address） CSN SI COMMAND COMMAND SO READ DATA don’tcare (L/H) Hi-Z or Low don’tcare (L/H) READ DATA Hi-Z or Low Figure 52. Read Sequence2 in Echo Back Mode (SPI) Data output has priority in read sequence. 6. Format 6-1. Write Operation during System Reset 1. Program RAM (PRAM) Write (during system reset) Field Write data (1) COMMAND Code 0xB8 (2) ADDRESS1 0 0 0 0 0 0 0 0 (3) ADDRESS2 0 0 0 0 0 0 0 0 (4) DATA1 0 0 0 0 D35 D34 D33 D32 (5) DATA2 D31~D24 (6) DATA3 D23~D16 (7) DATA4 D15~D8 (8) DATA5 D7~D0 Five bytes of data may be written continuously for each address. 2. Coefficient RAM (CRAM) Write (during system reset) Field Write data (1) COMMAND Code 0xB4 (2) ADDRESS1 0 0 0 0 0 A10 A9 A8 (3) ADDRESS2 A7 A6 A5 A4 A3 A2 A1 A0 (4) DATA1 D23~D16 (5) DATA2 D15~D8 (6) DATA3 D7~D0 Three bytes of data may be written continuously for each address. |
Similar Part No. - AK7755EN_16 |
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Similar Description - AK7755EN_16 |
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