Cirrus Logic CS4391 - Manual (Page 34)

CS4391
34 DS335PP4
7 6 5 4 3 2 1 0
INCR Reserved Reserved Reserved Reserved MAP2 MAP1 MAP0
0 0 0 0 0 0 0 0
INCR (Auto MAP Increment Enable)
Default = ‘0’.
0 - Disabled
1 - Enabled
MAP0-2 (Memory Address Pointer)
Default = ‘000’.
Table 16. Memory Address Pointer (MAP)
M A P
MSB LS B
DATA
b yte 1 b yte n
R/W
M AP = M e m ory Ad d re s s P o in te r
ADDRESS
C H IP
C D IN
C C L K
CS
0 01 00 0 0
Figure 16. Control Port Timing, SPI mode
S D A
S C L
0 010 00
A D D R
A D 0
R /W
S ta rt
A C K
D A T A
1 -8
A C K
D A T A
1-8
A C K
Stop
N o te : If o p e ra tio n is a w rite , th is b yte co n ta in s th e M e m o ry A d d re ss P o in te r, M A P .
N o te 1
Figure 17. Control Port Timing, I
2
C Mode