Rainbow Electronics APR6008 - Manual (Page 4)

APR6008
Page 4 Voice Recording & Playback Device
Revision 2.1
Figure 4 Sending SPI Commands
Figure 5 OpCode Format
Figure 6 Opcode Stream Timing
Op4 Op3 Op2 Op1
T
suDI
A1 A2
T
fCS
T
rCS
~
~
~
~
~
~
T
hDI
/CS
SCLK
DI ~~
~
~
~
~
A0
T
pSCLK
T
loSCLK
T
hiSCLK
T
next1
, T
next2
, T
next3
, T
next4
O p4 O p3 O p1 O p0 A14 A13 A12 A11 A10 A9 A8 A7 A6 O p2
{
{
F irst b it sh ifte d in L a st b it s h ifted in
A5 A4 A3 A2 A1
O pC ode C om m a nd O p Code Param eter
A0
C urre nt C om m and N ext C om m and
T
next1
,T
next2
,T
next3
,T
next4
/CS
SC LK
DI