Cirrus Logic CDB4270 - Manual (Page 26)

26 DS686DB3
CDB4270
7. CDB CONNECTORS, SWITCHES, INDICATORS AND JUMPERS
CONNECTOR,
SWITCH
Reference
Designator INPUT/OUTPUT SIGNAL PRESENT
+5V J1 Input +5.0 V Power Supply
CLK/DATA CON-
TROL
S1 Input HW Mode Clock/Data Routing Control Dip Switch
HW MODE CONFIG S2 Input HW Mode CS4270 Mode Control Switch
GND J2 Input Ground Reference
SPDIF OPTICAL
OUT
OPT2 Output CS8406 digital audio output via optical cable
SPDIF COAX OUT J7 Output CS8406 digital audio output via coaxial cable
SPDIF OPTICAL IN OPT1 Input CS8416 digital audio input via optical cable
SPDIF COAX IN J5 Input CS8416 digital audio input via coaxial cable
RS232 J16 Input/Output Serial connection to PC for SPI / I²C Control Port signals
USB J15 Input/Output USB connection to PC for SPI / I²C Control Port signals
DSP HEADER J9 Input/Output I/O for Clocks & Data
SERIAL CONTROL J10 Input/Output I/O for external SPI / I²C Control Port signals
MICRO C2 HEADER J14 Input/Output I/O for programming the micro controller (U21)
FPGA JTAG J12 Input/Output I/O for programming the FPGA (U11)
MICRO RESET S4 Input Reset for the micro controller (U21)
AINA
AINB J13
J11
Input RCA phono jacks for analog inputs
AOUTA
AOUTB
J6
J4
Output RCA phono jacks for analog outputs
Table 14. Connectors and Switches
JUMPER/
INDICATOR
PURPOSE
POSITION/
REF DES
FUNCTION SELECTED/INDICATION
CONTROL
JUMPERS
SPI/I²C control Internal or external select
*J10, pins 1-2
J10, none
*Normal I²C/SPI Operation
Connect to pins 2 (control) and 3 (gnd) for
external control
MUTEA
JUMPERS
Selects between MUTEA Enable and
MUTEA LED Indicator Enable
*J8, pins 1-2
J8, pins 2-3
* MUTEA Enable
MUTEA LED Enable
MUTEB
JUMPERS
Selects between MUTEB Enable and
MUTEB LED Indicator Enable
*J3, pins 1-2
J3, pins 2-3
* MUTEB Enable
MUTEB LED Enable
MUTEA LED
Indicates that CS4270 MUTEA signal is
present
D3
MUTEA from CS4270 is present when LED
is on
MUTEB LED
Indicates that CS4270 MUTEB signal is
present
D1
MUTEB from CS4270 is present when LED
is on
INIT INDICATOR Indicates FPGA program INIT D5 FPGA is being programmed when on
DONE Indicates FPGA program complete D4 FPGA has been programmed when on
RCVR ERROR Indicates CS8416 Data Receive Error D2 Indicates Data Receive Error when on
USB PRESENT Indicates USB Connection D7 Indicates USB connection when on
*Default factory settings
Table 15. Jumpers and Indicators