Rainbow Electronics DS3131 - Manual (Page 139)

DS3131
139 of 174
Figure 11-1. Bridge Mode
Figure 11-2. Bridge Mode with Arbitration Enabled
xDSL
Transceiver
Local Bus
DS3131 BOSS
Host
Processor
and Main
Memory
PCI /
Custom
Bus
blb_cfgb
Local CPU that Handles
the Real Time Tasks Required
by the xDSL Interfaces
Local RAM &
ROM
1. Request
Bus Access
2. Bus Access
Granted
3. Transaction
Occurs 1
2
3
xDSL
Transceiver
xDSL
Transceiver
xDSL
Transceiver
xDSL
Transceiver
Local Bus
DS3131 BOSS
Host
Processor
and Main
Memory
PCI /
Custom
Bus
blb_cfga
XDSL
Transceiver
xDSL
Transceiver
xDSL
Transceiver