[AK4397]
■
Handling of Unused Pin
The unused I/O pins should be processed appropriately as below.
(1) Parallel Mode (PCM Mode only)
Classification
Analog
Pin Name
AOUTLP, AOUTLN
AOUTRP, AOUTRN
SMUTE
TST1
TST2
Setting
These pins should be open.
These pins should be open.
This pin should be connected to VSS4.
This pin should be open.
This pin should be connected to VSS4.
Digital
(2) Serial Mode
1. PCM Mode
Classification
Analog
Digital
Pin Name
AOUTLP, AOUTLN
AOUTRP, AOUTRN
DIF2, DIF1, DIF0
DZFL, DZFR
Setting
These pins should be open.
These pins should be open.
These pins should be connected to VSS4.
These pins should be open.
2. DSD Mode
•
In case of using #3(DCLK), #4(DSDL) and #5(DSDR) pins
Classification
Analog
Digital
Pin Name
AOUTLP, AOUTLN
AOUTR+, AOUTR−
DCLK(#10), DSDL(#11), DSDR(#12)
DZFL, DZFR
Setting
These pins should be open.
These pins should be open.
These pins should be connected to VSS4.
These pins should be open.
•
In case of using #10(DCLK), #11(DSDL) and #12(DSDR) pins
Classification
Analog
Digital
Pin Name
AOUTLP, AOUTLN
AOUTRP, AOUTRN
DCLK(#3), DSDL(#4), DSDR(#5)
DZFL, DZFR
Setting
These pins should be open.
These pins should be open.
These pins should be connected to VSS4.
These pins should be open.
MS0616-E-00
-6-
2007/05
AKM [ ASAHI KASEI MICROSYSTEMS ]
