CS4294-JQ CIRRUS [Cirrus Logic], CS4294-JQ Datasheet - Page 7

• Manufacturer Part Number: CS4294-JQ
• Description: SoundFusion Audio/Docking Codec 97 (AMC 97)
• Manufacturer: CIRRUS [Cirrus Logic]

SERIAL PORT TIMING
Notes: 6. BIT_CLK measured with 47
DS326PP4
RESET# Timing
Vdd stable to RESET# inactive
RESET# active low pulse width
RESET# inactive to BIT_CLK start-up delay
1st SYNC active to CODEC READY set
Clocks
BIT_CLK frequency
BIT_CLK period
BIT_CLK output jitter (depends on XTAL_IN source)
BIT_CLK high pulse width
BIT_CLK low pulse width
SYNC frequency
SYNC period
SYNC high pulse width
SYNC low pulse width
Data Setup and Hold
Output Propagation delay from rising edge of BIT_CLK
Input setup time from falling edge of BIT_CLK
Input hold time from falling edge of BIT_CLK
Input Signal rise time
Input Signal fall time
Output Signal rise time
Output Signal fall time
Misc. Timing Parameters
End of Slot 2 to BIT_CLK, SDATA_IN low (PR4)
SYNC pulse width (PR4) Warm Reset
SYNC inactive (PR4) to BIT_CLK start-up delay
Setup to trailing edge of RESET# (test mode)
Rising edge of RESET# to Hi-Z delay
Parameter
series termination and C
(Note 5, 6)
(Note 5, 6)
(Note 5) T
(Note 5)
T
T
T
T
T
sync_period
T
T
Symbol
T
T
T
T
T
clk_period
sync_high
s2_pdown
T
sync2crd
sync_low
T
sync_pr4
setup2rst
vdd2rst#
sync2clk
clk_high
F
T
T
clk_low
T
T
rst_low
T
rst2clk
F
isetup
T
T
orise
ihold
sync
ofall
irise
ifall
clk
off
co
L
= 50 pF.
162.8
Min
1.0
1.1
25
36
36
10
15
5
0
2
2
2
2
-
-
-
-
-
-
-
-
-
-
-
12.288
62.4
81.4
40.7
40.7
20.8
19.5
Typ
120
350
1.3
.34
48
6
4
4
.
-
-
-
-
-
-
-
-
-
Max
750
1.0
45
45
12
25
6
6
6
6
-
-
-
-
-
-
-
-
-
-
-
-
-
-
CS4294
MHz
Unit
kHz
ms
ns
ps
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
s
s
s
s
s
s
s
s
7