CS6422-4 N/A, CS6422-4 Datasheet - Page 8

• Manufacturer Part Number: CS6422-4
• Description: Enhanced Full-Duplex Speakerphone IC
• Manufacturer: N/A

SWITCHING CHARACTERISTICS
8
Digital input rise time
RST low time
CLKI frequency
CLKI duty cycle
CLKI high or low time
Min DRDY falling to DRDY falling (CLKI = 20.480 MHz)
STROBE high or low time
DRDY falling to STROBE rising setup time
DATA valid to STROBE rising setup time
STROBE rising to DATA valid hold time
STROBE rising to DRDY rising hold time
Min RST rising to 4th extra STROBE pulse (cold reset)
Max RST rising to 4th extra STROBE pulse (warm reset)
Parameter
STROBE
DRDY
STROBE
DATA
RST
DRDY
DATA
t
RSTL
t sDATA
Figure 3. Microcontroller Interface Timing
Bit15
Bit15 Bit14
t sDRDY
f
CLKI
t hDATA
1
Figure 2. Reset Timing
Bit14
Figure 1. CLKI Timing
t
HLCKI
t DRDY
Bit2
t
Bit0
t
t
HLSTROBE
wRST
cRST
Symbol
t
t
t
t
Bit1
t
t
HLCKI
t
HLCLKI
t
t
t
sDRDY
hDRDY
t
sDATA
hDATA
f
DRDY
LCLKI
wRST
RSTL
cRST
t
CLKI
rise
t hDRDY
Bit0
four extra strobe pulses
1
19.5
t HLSTROBE
Min
1.0
40
55
30
30
30
30
2
Bit15
3
Bit14
20.480
4
Typ
125
100
110
50
Max
1.0
60
CS6422
Units
MHz
ms
ms
µs
µs
ns
µs
ns
ns
ns
ns
ns
%