AK7755EN_16 Datasheet, PDF (67/109 Pages) Asahi Kasei Microsystems – DSP with Mono ADC Stereo CODEC + Mic/Lineout Amp

[AK7755]
2. Command Code
BIT7
BIT6
BIT5
R/W flag Area to be accessed
R/W Flag: Write at “1”, Read at “0”.
BIT4
BIT3
BIT2
BIT1
BIT0
Accompanying data to the access area
Access data and accompanying data
BIT6 BIT5 BIT4 BIT3~0
0
0
0
Number of Write
0
0
1
Number of Write
0 1 0 0100
0010
0
1
1
1000
0100
0010
1011
1
0
0
Register Address
1
0
1
Register Address
1
1
0
0000
0110
1010
1
1
1
0000
0010
0100
0110
1000
1010
1100
Write preparation to CRAM during RUN
Write preparation to OFREG during RUN
Write operation to CRAM during RUN
Write operation to OFREG during RUN
Write/Read operation to PRAM during system reset
Write/Read operation to CRAM during system reset
Write/Read operation to OFREG during system reset
Write/Read operation to ACRAM (Accelerator
Coefficient RAM) during system reset
Internal control registers 00h~0Fh
Internal control registers 10h~1Fh
Device Identification (Read only)
Internal control registers 26h
Internal control registers 2Ah
Error Status Read
CRC Write/Read
Write operation of JX code
Read operation from MIR1
Read operation from MIR2
Read operation from MIR3
Read operation from MIR4
3. Address
The address description is always LSB justified. Accessing command code BIT[6:4]= “000” to “011”
requires a 16-bit address. Accessing command code BIT[6:4]= “100” to “111” requires no address.
014006643-E-00
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2014/10