Cirrus Logic CDB3318 - Manual (Page 8)

8 DS693DB2
CDB3318
4. SYSTEM CONNECTIONS & JUMPERS
Connector
Name
Reference
Designator
Signal
Direction Connector Function
GND J5 Input Ground reference.
VA+ J8 Input Positive analog power. +8 V to +9 V.
VA- J7 Input Negative analog power. -8 V to -9 V.
In 1
In 2
In 3
In 4
In 5
In 6
In 7
In 8 J29
J27
J11
J15
J55
J57
J71
J73
Input Analog input to CS3318.
Out 1
Out 2
Out 3
Out 4
Out 5
Out 6
Out 7
Out 8 J19
J21
J46
J48
J62
J64
J79
J81
Output Analog output from CS3318 .
USB I/O J37 Input/Output USB connection to PC for software control.
RS-232 I/O J42 Input/Output Serial RS-232 connection to PC for software control.
I²C/SPI Input J17 Input/Output Connection for internal/external I²C/SPI control signals.
I²C Output J89 Output Output connection for on-board I²C control signals.
SPI Output J88 Output Output connection for on-board SPI control signals.
C2 J36 Input/Output Connection for programming the on-board microcontroller (U46).
Table 1. System Connections
Switch Name Reference Designator Switch Function
uC Reset J5 Resets the on-board microcontroller (U46).
Table 2. On-Board Switches
Connector Name
Reference
Designator Header Function
DC Couple Input 1
DC Couple Input 2
DC Couple Input 3
DC Couple Input 4
DC Couple Input 5
DC Couple Input 6
DC Couple Input 7
DC Couple Input 8 J2
J3
J16
J18
J58
J59
J74
J75
When a shunt is present across its pins, each header DC couples its respec-
tive input connector to the associated input of the CS3318
.
When no shunt is present across the header’s pins, its respective input con-
nector will be AC coupled to the associated input of the CS3318
.
DC Couple Output 1
DC Couple Output 2
DC Couple Output 3
DC Couple Output 4
DC Couple Output 5
DC Couple Output 6
DC Couple Output 7
DC Couple Output 8 J32
J33
J51
J52
J67
J68
J84
J85
When a shunt is present across its pins, each header DC couples its respec-
tive output connector to the associated output of the CS3318
.
When no shunt is present across the header’s pins, its respective output
connector will be AC coupled to the associated output of the CS3318
.
Table 3. System Headers