AK4679EG Datasheet, PDF (194/220 Pages) Asahi Kasei Microsystems – 24bit Stereo CODEC with DSP and MIC/RCV/HP/SPK/LINE-AMP

[AK4679]
2-3. External Conditional Jump Code Write (during DSP Reset and RUN)
Field
Write data
(1) COMMAND Code 0xF4
(2) DATA
D7~D0
2-4. CRC Code Write (during DSP Reset and RUN)
Field
Write data
(1) COMMAND Code 0xF2
(2) DATA
D15~D8
(3) DATA
D7~D0
3. Write Operation during RUN
3-1. Coefficient RAM (CRAM) Write Preparation (during Run)
Preparation
Write data
(1) COMMAND Code 0x80~0x8F (one data at 80h, sixteen data at 8Fh)
(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.
3-2. Coefficient RAM (CRAM) Write Operation (during RUN)
Execute
Write data
(1) COMMAND Code 0xA4
(2) ADDRESS1
00000000
(3) ADDRESS2
00000000
Note 87. The COMMAND determines the length of the data. If the written data exceeds the allotted amount, the
excess data is ignored.
3-3. Offset REG (OFREG) Write Preparation (during RUN)
Preparation
Write data
(1) COMMAND Code 0x90~0x9F (one data at 0x90, sixteen data at 0x9F)
(2) ADDRESS1
00000000
(3) ADDRESS2
0 0 0 A4 A3 A2 A1 A0
(4) DATA1
00000000
(5) DATA2
0 D14 D13 D12 D11 D10 D9 D8
(6) DATA3
D7~D0
Three bytes of data may be written continuously for each address.
3-4. Offset REG (OFREG) Write Operation (during RUN)
Execute
Write data
(1) COMMAND Code 0xA2
(2) ADDRESS1
00000000
(3) ADDRESS2
00000000
Note 88. The COMMAND determines the length of the data. If the written data exceeds the allotted amount, the
excess data is ignored.
MS1402-E-06
- 194 -
2013/02