ISD5216 Datasheet, PDF (31/75 Pages) Winbond – 8 to 16 minutes voice record/playback device with integrated codec

ISD5216
7.7. ISD5216 ANALOG STRUCTURE (LEFT HALF) description
AGC AMP
AUX IN
INP
INP
SUM1 MUX
SUM1
Summing
Σ AMP
SUM1
FILTO
( ) S1M0 2
S1M1
INSO
0
1
1
(INS0)
ARRAY
DAC OUT
Select whether to
send the AUX input or
the microphone signal
to the summing amp
AGC AMP
AUX IN AMP
2
( ) S1S0
S1S 1
S1S1
0
0
1
1
S1S0
0
1
0
1
S1M1
0
0
1
1
S1M0
0
1
0
1
This summing amp allows the signal
from the input mux or sum 1 mux to
be selected or added together. Set the
amp to OFF to switch off completely
BOTH
SUM1 MUX ONLY
INP Only
POWER DOWN
Select whether to send the
FILTO signal, the MLS
playback signal or the output
of the CODEC DAC to the
summing amp. Set to OFF to
disable the signal
DAC OUT (DAO)
ARRAY
FILTO
OFF
Configuration Register CFG0, CFG1 and CFG2. The bits described on this page are highlighted.
CIG2
15
CIG1
14
CIG0
13
AXG1
12
AXG0
11
AXPD
10
INS0
9
OSPD
8
AMT0
7
CDI1
6
CDI0
5
OPS1
4
OPS0
3
VLS1
15
VLS0
14
VOL2
13
VOL1
12
VOL0
11
S1S1
10
S1S0
9
S1M1
8
S1M0
7
S2M1
6
S2M0
5
FLS0
4
FLD1
3
X
X
X
CKD2 COG2 COG1 COG0 CKDV MUTE HPF0 HSR0 I2S0 LAW1
OPA1
2
FLD0
2
LAW0
OPA0
1
FLPD
1
DAPD
VLPD
0
AGPD
0
ADPD
CFG0
CFG1
CFG2
- 31 -
Publication Release Date: Jan. 31, 2006
Revision B.4