7 switching characteristics—reset, 8 switching characteristics—clock – Cirrus Logic CS48LV13 User Manual
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DS1057F1
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4.7 Switching Characteristics—RESET
4.7 Switching Characteristics—RESET
Figure 4-2. RESET Timing at Power-On
Figure 4-3. RESET Timing after Power is Stable
4.8 Switching Characteristics—CLOCK
Figure 4-4. CLOCK Timing
Parameter
Symbol
Min
Max
Unit
RESET minimum pulse width low
1
1.The rising edge of RESET must not occur before the power supplies are stable at their recommended operating values. In addition, for the
configuration pins to be read correctly, the RESET T
rstl
requirement must be met.
T
rstl
1
—
s
All bidirectional pins high-Z after RESET low
T
rst2z
—
100
ns
Configuration pins setup before RESET high
T
rstsu
50
—
ns
Configuration pins hold after RESET high
T
rsthld
20
—
ns
Parameter
Symbol
Min
Max
Unit
External clock operating frequency
F
CLOCK
3.072
38.4
MHz
CLOCK period
T
CLOCK
26
325
ns
CLOCK high time
T
CLOCKh
45% · T
CLOCK
55% · T
CLOCK
ns
CLOCK low time
T
CLOCKl
45% · T
CLOCK
55% · T
CLOCK
ns
T
rstl
T
rstsu
T
rsthld
INT
BUSY/I2C_SELECT
All supplies at
recommended
operating values.
VD,
VPLL,
VL
RESET
RESET
T
rst2z
T
rstl
T
rstsu
T
rsthld
INT
BUSY/I2C_SELECT
All Bidirectional
Pins
t
CLOCKh
T
CLOCK
CLOCK
t
CLOCKl