ASAHI KASEI
[AK4140]
Parameter
Symbol
min
typ
max
Units
Audio Interface Timing (Slave mode)
Normal mode (TDM1=“L”, TDM0=“L”)
SCLK Period
tBCK
tBCKL
tBCKH
tLRB
160
65
ns
ns
ns
ns
ns
ns
ns
SCLK Pulse Width Low
Pulse Width High
65
LRCK Edge to SCLK “↑”
SCLK “↑” to LRCK Edge
(Note 6)
(Note 6)
30
tBLR
30
LRCK to SDTO(MSB) (Except I2S mode)
SCLK “↓” to SDTO
tLRS
35
35
tBSD
TDM256 mode (TDM1=“L”, TDM0=“H”)
SCLK Period
tBCK
tBCKL
tBCKH
tLRB
81
32
32
20
20
ns
ns
ns
ns
ns
ns
ns
ns
SCLK Pulse Width Low
Pulse Width High
LRCK Edge to SCLK “↑”
SCLK “↑” to LRCK Edge
SCLK “↓” to SDTO
(Note 6)
(Note 6)
tBLR
tBSD
20
TDMIN Hold Time
tSDH
tSDS
10
10
TDMIN Setup Time
TDM128 mode (TDM1=“H”, TDM0=“H”)
SCLK Period
tBCK
tBCKL
tBCKH
tLRB
81
32
32
20
20
ns
ns
ns
ns
ns
ns
ns
ns
SCLK Pulse Width Low
Pulse Width High
LRCK Edge to SCLK “↑”
SCLK “↑” to LRCK Edge
SCLK “↓” to SDTO
(Note 6)
(Note 6)
tBLR
tBSD
20
TDMIN Hold Time
tSDH
tSDS
10
10
TDMIN Setup Time
MS0547-E-01
2007/03
- 7 -
AKM [ ASAHI KASEI MICROSYSTEMS ]
