5.0 Electrical/Mechanical Specifications
5.6 System Bus Interface (SBI) Timing
Bt8370/8375/8376
Fully Integrated T1/E1 Framer and Line Interface
Figure 5-19. SBI Timing—Eight Clock Edge Combinations (Applicable to Any SBI Mode)
SBCKI
PCM
X2CLK PCM_NEG SYN_NEG
0
0
0
SYNC
PCM
X2CLK PCM_NEG SYN_NEG
0
0
1
SYNC
PCM
X2CLK PCM_NEG SYN_NEG
0
1
0
SYNC
PCM
X2CLK PCM_NEG SYN_NEG
0
1
1
SYNC
SBCKI
PCM
X2CLK PCM_NEG SYN_NEG
1
0
0
SYNC
PCM
X2CLK PCM_NEG SYN_NEG
1
0
1
SYNC
PCM
X2CLK PCM_NEG SYN_NEG
1
1
0
SYNC
PCM
X2CLK PCM_NEG SYN_NEG
1
1
1
SYNC
LEGEND:
Rising Edge Sample
Falling Edge Sample
Rising Edge Output
Falling Edge Output
NOTE(S): PCM output/sample points are shown only for the corresponding SYNC output/sample point.
5-22
Conexant
N8370DSE