AK7755EN_16 Datasheet, PDF (73/109 Pages) Asahi Kasei Microsystems – DSP with Mono ADC Stereo CODEC + Mic/Lineout Amp

[AK7755]
3. Offset REG (OFREG) Read (during system reset)
Field
Write data
Readout data
(1) COMMAND Code 0x32
(2) ADDRESS1
00000000
(3) ADDRESS2
0 0 0 A4 A3 A2 A1 A0
(4) DATA1
00000000
(5) DATA2
D15~D8
(6) DATA3
D7~D0
Three bytes of data may be written continuously for each address.
4. Accelerator Coefficient RAM (CRAM) Read (during system reset)
Field
Write data
Readout data
(1) COMMAND Code 0x3B
(2) ADDRESS1
0 0 0 0 0 A10 A9 A8
(3) ADDRESS2
A7 ~ A0
(4) DATA1
D19~D12
(5) DATA2
D11~D4
(6) DATA3
D3~D0 0 0 0 0
Three bytes of data may be written continuously for each address.
6-5. Read Operation during System Rest / RUN
1. Control Register Read (during system reset / RUN)
Field
Write data
(1) COMMAND Code 0x40~0x5F, 0x66, 0x6A
(2) DATA
Readout data
D7~D0
2. Device Identification (during system rest / RUN)
Field
Write data
Readout data
(1) COMMAND Code 0x60
(2) DATA
D7 D6 D5 D4 D3 D2 D1 D0
01 0 1 0 101
5
5
3. CRC Result Reading (during system reset / RUN)
Field
Write data
Readout data
(1) COMMAND Code 0x72
(2) DATA1
D15~D8
(3) DATA2
D7~D0
4. DSP Error Status Read (during system reset / RUN)
Field
Write data
Output
(1) COMMAND Code 0x70
(2) DATA
Active low output
D7: CRCERRN: 0: CRC error
D6: WDTERRN : 0: Watch Dog Timer error
D5: GP0
0:clear 1: set
D4: GP1
0:clear 1: set
D3: PLLLOCK 0:unlock 1:lock
D2: N/A
D1: N/A
D0: N/A
014006643-E-00
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2014/10