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Product Brief
May 1998
Ambassador
TM
T8100
H.100/H.110 Interface and Time-Slot Interchanger
Introduction
Increasingly, enhanced telephony services are
provided by equipment based on mass-market
computer-telephony architectures. The H.100/H.110
time-division multiplexed (TDM) bus has emerged as
the industry standard used in these systems. The
AmbassadorT8100 is a single device that provides a
complete interface for H.100/H.110-based systems.
Features
I
Complete solution for interfacing board-level
circuitry to the H.100/H.110 telephony bus
I
H.100/H.110 compliant interface; all mandatory
signals
I
Programmable connections to any of the 4096 time
slots on the H.100/H.110 bus
I
Up to 16 local serial inputs and 16 local serial
outputs, programmable for 2.048 Mbits/s,
4.096 Mbits/s, and 8.192 Mbits/s operation per CHI
specifications
I
Programmable switching between local time slots,
up to 1024 connections
I
Programmable switching between local time slots
and H.100/H.110 bus, up to 256 connections
I
Choice of frame integrity or minimum latency
switching on a per-time-slot basis:
— Frame integrity to ensure proper switching of
wideband data
— Minimum latency switching to reduce delay in
voice channels
I
On-chip phase-locked loop (PLL) for H.100/H.110,
MVIP*, or Dialogics
SC-bus clock operation in
master or slave clock modes
I
Serial TDM bus rate and format conversion
between most standard buses
I
Optional 8-bit parallel input and/or 8-bit parallel
output for local TDM interfaces
I
High-performance microprocessor interface:
— Provides access to device configuration regis-
ters and to time-slot data
— Supports both Motorola
nonmultiplexed and
Intel
§
multiplexed/nonmultiplexed modes
I
Two independently programmable groups of up to
12 framing signals each
I
3.3 V local I/O with 5 V tolerant inputs and TTL-
compatible outputs
I
Boundary-scan testing support
I
208-pin, plastic SQFP
I
217-pin BGA package
Applications
I
Computer-telephony systems
I
Enhanced service platforms
I
WAN access devices
I
PBXs
Description
The AmbassadorT8100 is an H.100/H.110-compli-
ant device that provides a complete interface
between the H.100/H.110 bus and a wide variety of
telephony interface components, processors, and
other circuits. The bus interface provides all signals
needed for the H.100/H.110 bus, the H-MVIPand
MVIP-90 buses, or the SC-bus. Local interfaces
include sixteen serial inputs and sixteen serial out-
puts based on the Lucent concentration highway
interface (CHI). Two built-in time-slot interchangers
are included. The first provides a local switching
domain with up to 1024 programmable connections
between time slots on the local CHI inputs and
outputs. The second supports up to 256 programma-
ble connections between any time slot on the
H.100/H.110 bus and any time slot in the local
switching domain. The AmbassadorT8100 is config-
ured via a microprocessor interface. This interface
can also read and write time-slot and device data.
* MVIPis a trademark of Natural MicroSystems Corporation.
Dialogic s a registered trademark of Dialogic Corporation.
Motorolais a registered trademark of Motorola, Inc.
§ Intelis a registered trademark of Intel Corporation.