alc880 Realtek Semiconductor Corporation, alc880 Datasheet - Page 78

• Manufacturer Part Number: alc880
• Description: 7.1 Channel High Definition Audio Codec
• Manufacturer: Realtek Semiconductor Corporation

9.2.2.
7.1 Channel High Definition Audio Codec
BCLK
SDO
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
SDI
Link Timing Parameters at the Codec
T_setup
V
V
V
V
V
OH
OL
IH
T
IL
T_tco
T_hold
T_high
Table 81. Link Timing Parameters at the Codec
T_cycle
Symbol
Figure 16. Link Signal Timing
T
T
T
T
T
T
T
T
flight
cycle
setup
jitter
high
hold
low
tco
T_low
Minimum
(45%)
(45%)
68
18.75
18.75
2.1
2.1
-
-
-
-
-
T_flight
Typical
41.67
24.0
7.5
2.0
-
-
-
-
-
Track ID: JATR-1076-21
Maximum
(55%)
(55%)
22.91
22.91
2.0
8.0
-
-
-
-
-
ALC880 Series
Datasheet
Units
MHz
(%)
(%)
ns
ns
ns
ns
ns
ns
ns
ns
Rev. 1.4