CDB4391A Datasheet, PDF (8/24 Pages) Cirrus Logic – Evaluation Board for CS4391A

CDB4391A
JUMPER
SW1 - M0
SW1 - M1
SW1 - M2
SW1 - M3
SW1 -
CSLR/FCK
HDR8
PURPOSE
CS8414 mode selection
CS8414 mode selection
CS8414 mode selection
CS8414 mode selection
Selects channel for CS8414
channel status information
External mute for AOUTA
HDR7
External mute for AOUTB
ENCTRL
Enables / Disables parallel port
M0/AD0/CS
AD0/CS
M1/SDA/CDIN
SDA/CDIN Pull-Up
M2/SCL/CCLK
SCL/CCLK Pull-Up
M3
Not Functional
HDR1 to HDR6 Selects source of clocks and
audio data
POSITION
*LO
*HI
*LO
*LO
*LO
*ON
OFF
*ON
OFF
*ENABLE
DISABLE
*HI
LO
*HI
LO
GND
*HI
DEM
HI
*LO
*8414
EXT
FUNCTION SELECTED
See CS8414 datasheet for details
See CS8414 datasheet for details
See CS8414 datasheet for details
See CS8414 datasheet for details
See CS8414 datasheet for details
Mute Enabled
Mute Disabled
Mute Enabled
Mute Disabled
Enables parallel port
Invalid for Control Port mode
“Don’t Care” for Control Port mode
SDA/CDIN pulled high
Invalid for Control Port mode
Invalid for Control Port mode
SCL/CCLK pulled high
Invalid for Control Port mode
Must be low for Control Port mode
Selects CS8414 as source
Digital I/O header becomes source
Table 4. CDB4391A Jumper and Switch settings - CONTOL PORT MODE
*Settings for Control Port mode
Notes:
The CDB4391A evaluation board is shipped from the factory configured for Control Port mode.
8
DS600DB1