ASAHI KASEI
[AK4122]
Handling of Unused pins
The unused digital I/O pins should be processed appropriately as below.
Classification
PORT1
Pin Name
BICK1, LRCK1, SDTI
MCLK2
Setting
These pins should be connected to DVSS.
This pin should be connected to DVSS.
These pins should be connected to DVSS in slave mode
or
open in master mode.
BICK2, LRCK2
PORT2
SDTIO
M/S2
OMCLK
This pin should be connected to DVSS.
This pin should be connected to DVDD or DVSS.
This pin should be connected to DVSS.
These pins should be connected to DVSS in slave mode
or open in master mode.
BICK, LRCK
PORT3
DIR
SDTO
M/S3
RX1, RX2, RX3, RX4
INT0, INT1, INT2, TX
CSN, CCLK, CDTI
CDTO
SMUTE
TST1, TST2, TST11
TST3
TST4, TST5, TST6, TST7,
TST8, TST9, TST10
This pin should be open.
This pin should be connected to DVDD or DVSS.
These pins should be open.
These pins should be open.
These pins should be connected to DVSS.
This pin should be open.
This pin should be connected to DVSS.
These pins should be open.
This pin should be connected to DVSS.
Control PORT
Other
TEST
These pins should be connected to AVSS.
MS0267-E-02
2004/07
- 6 -
AKM [ ASAHI KASEI MICROSYSTEMS ]
