參數(shù)資料
型號: SI3050-E1-FM
廠商: Silicon Laboratories Inc
文件頁數(shù): 34/128頁
文件大小: 0K
描述: IC VOICE DAA SYSTEM SIDE 24QFN
標準包裝: 75
系列: *
Si3050 + Si3011/18/19
Rev. 1.5
13
Figure 5. GCI Highway Interface Timing Diagram (1x PCLK Mode)
Table 9. Switching Characteristics—GCI Highway Serial Interface
(VD = 3.0 to 3.6 V, TA = 0 to 70 °C, CL = 20 pF)
Parameter1
Symbol
Test
Conditions
Min
Typ
Max
Units
Cycle Time PCLK (Single Clocking Mode)
tp
—488
ns
Cycle Time PCLK (Double Clocking Mode)
tp
—244
ns
Valid PCLK Inputs
2.048
4.096
MHz
FSYNC Period2
tfp
—125
s
PCLK Duty Cycle
tdty
40
50
60
%
PCLK Jitter Tolerance
tjitter
——
2
ns
FSYNC Jitter Tolerance
tjitter
——
±120
ns
Rise Time, PCLK
tr
——
25
ns
Fall Time, PCLK
tf
——
25
ns
Delay Time, PCLK Rise to DTX Active
td1
——
20
ns
Delay Time, PCLK Rise to DTX Transition
td2
——
20
ns
Delay Time, PCLK Rise to DTX Tri-State3
td3
——
20
ns
Setup Time, FSYNC Rise to PCLK Fall
tsu1
25
ns
Hold Time, PCLK Fall to FSYNC Fall
th1
20
ns
Setup Time, DRX Transition to PCLK Fall
tsu2
25
ns
Hold Time, PCLK Falling to DRX Transition
th2
20
ns
Notes:
1. All timing is referenced to the 50% level of the waveform. Input test levels are VIH = VO – 0.4 V, VIL = 0.4 V, rise and fall
times are referenced to the 20% and 80% levels of the waveform.
2. FSYNC must be 8 kHz under all operating conditions.
3. Specification applies to PCLK fall to DTX tri-state when that mode is selected.
t
p
t
r
t
f
t
su2
t
h2
t
d3
t
d2
t
d1
PCLK
FSYNC
DRX
DTX
t
fp
t
h1
t
su1
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