[AK4492]
■ Handling of Unused Pin
Unused I/O pins must be connected appropriately.
(1) Pin Control Mode (PCM mode only)
Classification Pin Name
Status
Open
AOUTLP, AOUTLN, AOUTRP, AOUTRN
TESTE
Analog
Connect to AVSS or Open
(2) Resister Control Mode
1. PCM Mode
Classification Pin Name
Status
AOUTLP, AOUTLN, AOUTRP, AOUTRN Open
Analog
Digital
TESTE
Connect to AVSS or Open
DCLK, DSDL, DSDR, WCK, TDM1,
Connect to DVSS
DCHAIN, INVR
TDMO, DZFR, DZFL
CSN
Open
Connect to DVSS (I2C pin = “H”)
2. DSD Mode
DSDPATH bit = “0”
Classification Pin Name
Status
AOUTLP, AOUTLN, AOUTRP, AOUTRN Open
Analog
TESTE
Connect to AVSS or Open
WCK, TDM1, DCHAIN, INVR
TDMO, DZFR, DZFL
CSN
Connect to DVSS
Open
Connect to DVSS (I2C pin = “H”)
Digital
DSDPATH bit = “1”
Classification Pin Name
Status
AOUTLP, AOUTLN, AOUTRP, AOUTRN Open
Analog
Digital
TESTE
Connect to AVSS or Open
DCLK, DSDL, DSDR, WCK, TDM1,
DCHAIN, INVR
Connect to DVSS
TDMO, DZFR, DZFL
CSN
Open
Connect to DVSS (I2C pin = “H”)
3. EXDF Mode
Analog
Classification Pin Name
Status
Open
AOUTLP, AOUTLN, AOUTRP, AOUTRN
TESTE
Connect to AVSS or Open
DCLK, DSDL, DSDR, TDM1, DCHAIN, INVR Connect to DVSS
Digital
TDMO, DZFR, DZFL
CSN
Open
Connect to DVSS (I2C pin = “H”)
4. Pull-up, Pull-down Pin List
Classification
Pull-down pin
(typ = 100 kΩ)
Pin Name
Status
DVSS
DVSS
TDMO, DZFL, DZFR, PSN
TESTE
016011073-E-00
2016/12
- 10 -
AKM [ ASAHI KASEI MICROSYSTEMS ]
