cx28394 Conexant Systems, Inc., cx28394 Datasheet - Page 83

• Manufacturer Part Number: cx28394
• Description: Quad/x16/octal-t1/e1/j1 Framers
• Manufacturer: Conexant Systems, Inc.

CX28394/28395/28398
Quad/x16/Octal—T1/E1/J1 Framers
Figure 2-9. RSB Waveforms
100054E
NOTE(S):
RMSYNC
RFSYNC
RPCMO
The Receive Multiframe Sync (RMSYNC) occurs every 6 ms, 48 T1 or 48 E1 frames.
RSBCKI
RPCMO
SIGFRZ
RINDO
RSIGO
RINDO
RSIGO
A
1
A
1
B
2
2
B
Frame 48 TS 31
Frame 48 TS 24
are provided in
configured to output on the rising or falling edge of RSBCKI (see the Receive
System Bus Configuration register [RSB_CR; addr 0D1]).
C
3
3
C
Figure 2-9
The RSB supports five different system bus rates (MHz):
• 1.536 MHz—T1 rate, 24 time slots, without framing bit
• 1.544 MHz—T1 rate with framing bit
• 2.048 MHz—E1 rate, 32 time slots
• 4.096 MHz—twice the E1 rate, 64 time slots
• 8.192 MHz—four times the E1 rate, 128 time slots
D
4
4
D
A
5
5
A
illustrates the relationship between these signals. Signal definitions
B
Table 1-6, Hardware Signal
6
B
6
Conexant
C
7
C
7
D
8
8
D
X
F
1
A
A
1
2
B
Frame 1 TS 0
Frame 1 TS 1
B
2
3
C
Definitions. RSB data outputs can be
C
3
4
D
D
5
A
4
A
5
6
B
B
6
7
C
2.0 Circuit Description
C
7
8
D
2.3 System Bus
D
1
A
8
A
1
2
B
2-25