Cirrus Logic CS485xx - Manual (Page 15)

15 DS734F5
5.13 Switching Characteristics—Digital Audio Slave Input Port
Figure 5-6. Serial Control Port–I 2 C Master Mode Timing
5.13 Switching Characteristics—Digital Audio Slave Input Port
Figure 5-7. Digital Audio Input (DAI) Port Timing Diagram
5.14 Switching Characteristics—DSD Slave Input Port
Figure 5-8. Direct Stream Digital–Serial Audio Input Timing
Parameter Symbol Min Max Unit
DAI_SCLK period T
daiclkp
40 — ns
DAI_SCLK duty cycle — 45 55 %
Setup time DAI_DATAn t
daidsu
10 — ns
Hold time DAI_DATAn t
daidh
5 — ns
Parameter Symbol Min Typ Max Unit
DSD_SCLK Pulse Width Low t
sclkl
78 — — ns
DSD_SCLK Pulse Width High t
sclkh
78 — — ns
DSD_SCLK Frequency (64x Oversampled) — 1.024 — 3.2 MHz
DSD_A/B valid to DSD_SCLK rising setup time t
sdlrs
20 — — ns
DSD_SCLK rising to DSD_A or DSD_B hold time t
sdh
20 — — ns
SCP_CLK
SCP_SDA
0 1 6 7 8 0 1 7
t
iicckl
t
iicckh
t
iicsu
t
iich
A6 A0 R/W ACK LSB
8
ACK MSB
t
iicstp
6
t
iicdov
t
iicbft
t
iicstscl
t
iicckcmd
f
iicck
t
iicckcmd
t
iicf
t
iicr
DAI_SCLK
DAI_DATAn
t
daidh
t
daidsu