alc880 Realtek Semiconductor Corporation, alc880 Datasheet - Page 79

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

9.2.3.
9.2.4.
Codec test mode and Automatic Test Equipment (ATE) mode are not supported.
7.1 Channel High Definition Audio Codec
Parameter
S/PDIF-OUT Frequency
S/PDIF-OUT Period
S/PDIF-OUT Jitter
S/PDIF-OUT High Level Width
S/PDIF-OUT Low Level Width
S/PDIF-OUT Rising Time
S/PDIF-OUT Falling Time
S/PDIF-IN Period
S/PDIF-IN Jitter
S/PDIF-IN High Level Width
S/PDIF-IN Low Level Width
*1: Bit parameters for 48kHz sample rate of S/PDIF-OUT
*2: Bit parameters for 48kHz sample rate of S/PDIF-IN
S/PDIF Output and Input Timing
Test Mode
*2
V
V
*1
IH
IL
*1
*2
*2
*1
*1
T
Table 82. S/PDIF Output and Input Timing
rise
Figure 17. Input and Output Timing
Symbol
T
T
T
T
T
T
T
T
T
T
cycle
cycle
High
High
jitter
Low
jitter
Low
-
rise
fall
T
high
78.1 (48%)
78.1 (48%)
73.2 (45%)
73.2 (45%)
T
Minimum
T
cycle
fall
-
-
-
-
-
-
-
69
T
low
81.4 (50%)
81.4 (50%)
81.4 (50%)
81.4 (50%)
Typical
6.144
162.8
162.8
2.0
2.0
-
-
V
OL
Track ID: JATR-1076-21
84.6 (52%)
84.6 (52%)
89.5 (55%)
89.5 (55%)
Maximum
V
OH
10
4
-
-
-
-
-
V
t
ALC880 Series
Datasheet
ns (%)
ns (%)
ns (%)
ns (%)
Units
MHz
ns
ns
ns
ns
ns
ns
Rev. 1.4