Product Info

VTech proprietary and confidential
VTech Communications LTD.
R&D Department
The document is VTech’s proprietary information, Please do not disclose to third party without VTech’s consent
Ref. No.: 20191009 Version: 01 Date: 09 Oct, 2019 Page 22 of 33
Figure 7-9 Digital audio interface modes
Table 7-5 Digital audio interface slave timing
Symbol
Parameter
Min
Typ
Max
Unit
–
SCK Frequency
–
–
6.2
MHz
–
WS Frequency
–
–
96
kHz
tch
SCK high time
80
–
–
ns
tcl
SCK low time
80
–
–
ns
Table 7-6 I²S slave mode timing
Symbol
Parameter
Min
Typ
Max
Unit
tssu
WS valid to SCK high set-
up time
20
–
–
ns
tsh
SCK high to WS invalid
hold time
2.5
–
–
ns
topd
SCK low to SD_OUT
invalid delay time
–
–
20
ns