Neoway N75 - Figure 3-25 I2 S Timing; Table 3-5 Timing Parameters of I2 S Interface; Table 3-6 PCM Work Modes

N75
Hardware User Guide
Copyright © Neoway Technology Co., Ltd
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Figure 3-25 I2S timing
T
t(LC)
t(HC)
t(htr)
t(dtr)
t(sr)
t(hr)
SCLK
Dout
WS
Din
WS
VH
VL
Table 3-5 Timing parameters of I2S interface
Timing Parameter
Minimum
Value
Typical
Value
Maximum
Value
Unit
T
Clock cycle
81.380
/
/
ns
t(HC)
Clock high time
0.45*T
/
0.55*T
ns
t(LC)
Clock low time
0.45*T
/
0.55*T
ns
t(sr)
Set-up time from data receive to WS input
16.276
/
/
ns
t(hr)
Hold time from data receive to WS input
0
/
/
ns
t(dtr)
Delay time from data send to WS output
/
/
65.100
ns
t(htr)
Hold time from data send to WS output
0
/
/
ns
PCM interface supports primary mode and auxiliary mode.
Table 3-6 PCM work modes
Mode
Synchronization Mode
Work Mode
Primary Mode
Short sync
Host mode or device mode
Auxiliary Mode
Long sync
Host mode
Figure 3-26 shows PCM connection.