DS31256 Maxim Integrated Products, DS31256 Datasheet - Page 148

• Manufacturer Part Number: DS31256
• Description: IC CTRLR HDLC 256-CHANNEL 256BGA
• Manufacturer: Maxim Integrated Products

Specifications of DS31256

• Controller Type: HDLC Controller
• Interface: Serial
• Voltage - Supply: 3 V ~ 3.6 V
• Current - Supply: 500mA
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 256-BGA
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Figure 11-1. Bridge Mode
Figure 11-2. Bridge Mode with Arbitration Enabled
Transceiver
Transceiver
Transceiver
Transceiver
Framer or
Framer or
Framer or
Framer or
Transceiver
Transceiver
Transceiver
Transceiver
T1 / E1
T1 / E1
T1 / E1
T1 / E1
Framer or
Framer or
Framer or
Framer or
T1 / E1
T1 / E1
T1 / E1
T1 / E1
the Real-Time Tasks Required
by the T1 / E1 Interfaces
Local Bus
Local CPU that Handles
Local Bus
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1
2
3
Custom
PCI /
1. Request
Bus Access
2. Bus Access
Granted
3. Transaction
Occurs
Bus
Custom
Local RAM &
PCI /
Bus
ROM
Processor
and Main
Memory
Processor
and Main
Host
Memory
Host