CDB6422 Ver la hoja de datos (PDF) - Cirrus Logic
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CDB6422 Datasheet PDF : 48 Pages
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CS6422
SWITCHING CHARACTERISTICS
Parameter
Symbol Min
Typ
Max
Digital input rise time
RST low time
trise
1.0
tRSTL
1.0
CLKI frequency
fCLKI
20.480
CLKI duty cycle
tLCLKI
40
50
60
CLKI high or low time
tHLCLKI
19.5
Min DRDY falling to DRDY falling (CLKI = 20.480 MHz) tDRDY
125
STROBE high or low time
DRDY falling to STROBE rising setup time
tHLSTROBE
55
tsDRDY
30
DATA valid to STROBE rising setup time
STROBE rising to DATA valid hold time
STROBE rising to DRDY rising hold time
tsDATA
30
thDATA
30
thDRDY
30
Min RST rising to 4th extra STROBE pulse (cold reset) tcRST
110
Max RST rising to 4th extra STROBE pulse (warm reset) twRST
100
Units
µs
µs
MHz
%
ns
µs
ns
ns
ns
ns
ns
ms
ms
1
f CLKI
t HLCKI t HLCKI
Figure 1. CLKI Timing
t RSTL
RST
STROBE
DATA
DRDY
Bit15 Bit14
t cRST
t wR ST
four extra strobe pulses
1234
Bit2 Bit1 Bit0
Figure 2. Reset Timing
DRDY
STROBE
t sDATA
t sDRDY
t hDATA
DATA
Bit15 Bit14
t DRDY
t hDRDY
Bit0
t HLSTROBE
Bit15 Bit14
Figure 3. Microcontroller Interface Timing
8
DS295F1
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