alc272 Realtek Semiconductor Corporation, alc272 Datasheet - Page 76

• Manufacturer Part Number: alc272
• Description: 4 Channel High Definition Audio Codec
• Manufacturer: Realtek Semiconductor Corporation

9.2.2.
4 Channel High Definition Audio Codec
Parameter
BCLK Frequency
BCLK Period
BCLK Jitter
BCLK High Pulse Width
BCLK Low Pulse Width
SDO Setup Time at Both Rising
and Falling Edge of BCLK
SDO Hold Time at Both Rising
and Falling Edge of BCLK
SDI Valid Time After Rising Edge
of BCLK (1: 50pF external load)
SDI Flight Time
B C L K
S D O
S D I
Link Timing Parameters at the Codec
T _ s e t u p
V
V
V
V
V
O H
O L
IH
T
IL
T _ t c o
T _ h o ld
Table 84. Link Timing Parameters at the Codec
T _ h ig h
Symbol
T
T
T
T
T _ c y c le
T
T
T
T
Figure 16. Link Signal Timing
flight
cycle
setup
jitter
high
hold
-
low
tco
T _ lo w
18.75 (45%)
18.75 (45%)
Minimum
68
2.1
2.1
-
-
-
-
-
T _ f lig h t
Typical
41.67
24.0
7.5
2.0
-
-
-
-
-
Track ID: JATR-1076-21
22.91 (55%)
22.91 (55%)
Maximum
2.0
8.0
-
-
-
-
-
Datasheet
ns (%)
ns (%)
Units
MHz
ALC272
ns
ns
ns
ns
ns
ns
Rev. 1.0