AK7750 Datasheet, PDF (59/77 Pages) Asahi Kasei Microsystems – Audio DSP with Built-in Hands-Free Phone Features

[ASAHI KASEI]
[AK7750]
d) Offset RAM Data Read ( during reset )
It is possible to read out the stored Offset RAM data during reset.
Read procedure involves inputting a command code and address to be accessed, and waiting for SCLK to
fall after setting SI to “H”. The data is then output in sync with the falling edge of SCLK.
Data transfer procedure
c Command code
d Address
91h ( 1 0 0 1 0 0 0 1 )
( 0 0 A5 . . . . A0)
S_RESET
RQ
SCLK
SI
SO
RDY
10010001 00 A5yyyyA0
D12yyyyD1 D0 D12yyyyD1 D0 D12yyyyD1 D0
OFRAM data read
[MS0296-E-00]
59
2005/03