CS4812 Cirrus Logic, CS4812 Datasheet - Page 14

• Manufacturer Part Number: CS4812
• Description: Fixed Function Multi-Effects Audio Processor
• Manufacturer: Cirrus Logic

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2. TYPICAL CONNECTION DIAGRAMS
14
Serial EEPROM
Program ROM
or
Microcontroller
Output Buffers
To Optional
Input and
Figure 5. Typical Connection Diagram, Control Port Slave Mode
Mode/Reset
+
RESET
1 µF
Circuit
Control/
Circuitry
Monitor
1 µ F
ANALOG
FILTER
ANALOG
FILTER
R
All unused inputs
should be tied to ground.
74HC74
R = 33 Ω
D
S
S
A
Q
2.2
K
A
VD VD
0.1 µF
D
A
0.1 µF
39
62
68
67
71
47
69
41
40
37
35
86
92
94
63
72
87
90
91
93
2.2
70
K
AIN1L+
AIN1L-
OVL
CMFILT-
SCL/CCLK
SDA/CDOUT
REQ
CLKOUT
SPI/I2C
SCPM/S
RST
PIO0
PIO1
PIO2
PIO3
AIN1R-
CMOUT
CMFILT+
AD0/CS
AD1/CDIN
AIN1R+
11
AGND1..4
13
12
VA 1..3
19
18
A
89
+ 1 µ F
88
A
0.1 µ F
42
A
CS4812
DGND1..4
44
Ferrite Bead
64
D
66
VD 1..2
43
65
+ 1 µ F
XTO XTI
39 pF
RES-DGND
D
RES-DGND
RES-DGND
RES-DGND
RES-DGND
46
RES-DGND
RES-DGND
RES-DGND
D
AOUT1+
AOUT1-
AOUT2+
AOUT2-
RES-NC
RES-NC
RES-NC
RES-NC
RES-NC
RES-NC
RES-NC
RES-NC
RES-VD
RES-NC
RES-NC
RES-NC
RES-NC
RES-NC
RES-NC
RES-NC
45
39 pF
D
1 M Ω
0.1 µ F
D
32
34
16
60
61
36
38
7
8
9
10
14
17
20
22
58
59
73
48
82
83
15
21
23
57
95
97
Optional External
Clock Input instead
of Crystal
96
+5 V
ANALOG
FILTER
ANALOG
FILTER
VD
D
CS4812
DS291PP3