73M1903 Data Sheet
DS_1903_032
8.3.2
AC Timing
Table 14: Serial I/F Timing
Parameter
SCLK Period (Tsclk) (Fs=8 kHz)
SCLK to
FS
Delay (td1) – mode1
SCLK to
FS
Delay (td2) – mode1
SCLK to SDOUT Delay (td3) (With 10pf load)
Setup Time SDIN to SCLK (tsu)
Hold Time SDIN to SCLK (th)
SCLK to
FS
Delay (td4) – mode0
SCLK to
FS
Delay (td5) – mode0
Min
–
–
–
–
15
10
–
–
Nom
1/2.048 MHz
–
–
–
–
–
–
–
Max
–
20
20
20
–
–
20
20
Unit
ns
ns
ns
ns
ns
ns
ns
ns
td1
td2
Tsclk
SCLK
FS
(mode1)
SDOut
RX15
td3
tsu
RX14
RX1
RX0
SDIN
TX15
th
TX14
TX1
TX0
FS
(mode0)
td4
td5
Figure 11: Serial Port Data Timing
28
Rev. 2.0