bt8375kpf Conexant Systems, Inc., bt8375kpf Datasheet - Page 60

• Manufacturer Part Number: bt8375kpf
• Description: Single Chip Transceivers For T1/e1 And Integrated Service Digital Network Isdn Primary Rate Interfaces Systems
• Manufacturer: Conexant Systems, Inc.

2.0 Circuit Description
2.5 Receive System Bus
Figure 2-15. RSB Waveforms
2-32
NOTE(S):
RMSYNC
RFSYNC
RPCMO
SIGFRZ
The Receive Multiframe Sync (RMSYNC) occurs every 6 ms for 48 T1 or 48 E1 frames.
RSBCKI
RPCMO
RINDO
RSIGO
RINDO
RSIGO
A
1
1
A
B
2
2
B
Frame 48 TS 31
Frame 48 TS 24
2.5 Receive System Bus
The Receive System Bus (RSB) provides a high-speed, serial interface between
the RCVR and the system bus. The system bus is compatible with the Mitel
ST-Bus, the Siemens PEB Bus, and the AT&T CHI Bus, and directly connects to
other CONEXANT serial TDM bus devices with no need for any external
circuitry.
Receive PCM Data (RPCMO), Receive Signaling Data (RSIGO), Receive Frame
Sync (RFSYNC), Receive Multiframe Sync (RMSYNC), Receive Time Slot
Indicator (RINDO), and Signaling Freeze (SIGFRZ).
relationship between these signals. (Pin definitions are provided in
Table 1-1, Hardware Signal
output on the rising or falling edge of RSBCKI. See the Receive System Bus
Configuration register [RSB_CR; addr 0D1].
C
3
3
C
The RSB has the following seven pins: Receive System Bus Clock (RSBCKI),
D
4
4
D
A
5
5
A
B
6
6
B
Conexant
C
7
7
C
D
8
D
8
Definitions.) RSB data outputs can be configured to
X
F
1
A
Fully Integrated T1/E1 Framer and Line Interface
A
1
2
B
Frame 1 TS 0
Frame 1 TS 1
B
2
3
C
C
4
D
3
D
5
A
4
Figure 2-15
A
5
6
B
B
6
7
C
Bt8370/8375/8376
C
7
8
D
illustrates the
D
8
1
A
N8370DSE
A
1
2
B