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STiD325
DOCSIS 3.1 system-on-chip for
data gateways
Data brief
Description
The STiD325 is STMicroelectronics' next
generation DOCSIS® 3.1 device for data gateway
applications. It can also be used as cable modem,
eMTA (embedded Media Terminal Adapter) or as
a front-end device for headed cable multimedia
gateway applications.
67L'
Features
• Multi-core 64-bit ARM® Cortex™ CPU offering
greater than 10 K DMIPS.
• DOCSIS® 3.1 cable modem:
– Two 196-MHz OFDM demodulators for
DOCSIS 3.1 downstream
– Two OFDMA modulators for DOCSIS 3.1
upstream channels
– 32 single-carrier QAM demodulators for
DOCSIS 3.0 downstream
– 8 single-carrier QAM modulators for
DOCSIS 3.0 upstream channels
• Comprehensive integrated networking
solution:
– Hardware-accelerated L3 / L4 router and
L2 switch providing line-rate networking on
every port
– Rich number of interface for WAN / LAN /
Wi-Fi connection
– Wi-Fi bridging for deployment of dual-band
concurrent Wi-Fi (2.4 GHz and 5 GHz)
The STiD325 is built around a multi-Gigabit
DOCSIS® 3.1 modem fully certifiable by Cable
Labs® with full DOCSIS 3.0 backward
compatibility. Besides DOCSIS modem, it
embeds line-rate hardware-accelerated switching,
routing, Wi-Fi bridging and a carrier grade
telephony engine.
The STiD325 is powered by a powerful multi-core
64-bit ARM CPU and comes pre-integrated with a
RDK-B software allowing OEM to deliver and
customize efficiently advanced and future proof
CPE (Customer Premises Equipment) solution to
MSO's (Multiple System Operators).
Using innovative 28 nm FD-SOI silicon
technology, the STiD325 provides a cost-effective
path for operators towards large-scale
deployments.
• Telephony support:
– PacketCable™ 1.5 / 2.0
– Up to 4 carrier grade HD voice lines
• Secure boot with hardware-accelerated
cryptographic engine and security hardening
July 2015
DocID028146 Rev 1
For further information contact your local STMicroelectronics sales office.
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Revision history
1
STiD325
Revision history
Table 1. Document revision history
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Date
Revision
27-Jul-2015
1
Changes
Initial release.
DocID028146 Rev 1
STiD325
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