BT8954 CONEXANT [Conexant Systems, Inc], BT8954 Datasheet - Page 14

• Manufacturer Part Number: BT8954
• Description: VOICE PAIR GAIN FRAMER
• Manufacturer: CONEXANT [Conexant Systems, Inc]

1.0 DSL Systems
1.1 Voice Pair Gain Applications
1.1.2 Subscriber Modem
Figure 1-3. Subscriber Modem (Terminal) System Block Diagram
1-4
Shared
Memory
CPU
Figure 1-3
Unit (CPU) delivers PCM data directly to Bt8954. Alternatively, a multichannel
communications controller such as Bt8472/4 can be used to manage the transfer
of data between the CPU and the PCM channel through a local shared memory.
POTS
Memory
PCI
CPU
illustrates a DSL data modem application where a Central Processing
HDLC Controller
PCM Serial
Single Channel Payload
Bt8472/4
CODEC
Multichannel Payload
Port
Conexant
Bt8954
PCM
Bt8954
Bit Pump
Bit Pump
Voice Pair Gain Framer
N8954DSC
Bt8954