User manual

U
U
n
n
i
i
v
v
i
i
s
s
i
i
o
o
n
n
T
T
e
e
c
c
h
h
n
n
o
o
l
l
o
o
g
g
y
y
I
I
n
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c
c
.
.
Doc. No: SAS1-D038-A
12
3.3.4 Serial Interface Timing Characteristics: (3-wire SPI)
Symbol Description Min Max Unit
t
cycle
Clock Cycle Time 50 - ns
t
CSS
Chip Select Setup Time 20 - ns
t
CSH
Chip Select Hold Time 10 - ns
t
DSW
Write Data Setup Time 15 - ns
t
DHW
Write Data Hold Time 15 - ns
t
CLKL
Clock Low Time 20 - ns
t
CLKH
Clock High Time 20 - ns
t
R
Rise Time - 15 ns
t
F
Fall Time - 15 ns
* (V
DD
- V
SS
= 2.4V to 2.6V, V
DDIO
= 1.65V, V
CI
= 2.8V, T
a
= 25°C)