[ASAHI KASEI]
[AK7740ET]
7-1) Write during reset phase
7-1-a) Control register write (during reset phase)
The data is comprised of two bytes that perform control register write operations (during reset phase). When the
current data has been entered, the new data is sent when the 16th cycle of SCLK.
Data transfer procedure
c Command code
d Control data
60h,64h,68h,6Ch
(D7 D6 D5 D4 D3 D2 D1 D0)
For the function of each bit, see the description of control registers, (section 2).
S_RESET
RQ
SCLK
60h
64h
D7 ***D1 D0
D7 ***D1 D0
SI
SO
Note) It must be set always 0 to D0
Control registers write operation
<Pre-E-01>
- 30 -
2006/10