PSB 21653 EL V1.5-G

Telecom Overview

The PSB21653ELV1.5-G is a single-chip network controller and processor IC belonging to the INCA-IP2 family, designed for IP phone applications. It integrates two 400 MHz MIPS 24KEc CPUs with 16kB instruction and data caches each. The device features an internal three-port Gigabit Ethernet switch with two GMACs and RGMII interfaces, alongside two integrated 10/100BaseT Ethernet MACs and PHYs. It includes voice processing capabilities with support for multiple codecs (G.711, G.729A/B, AMR), D/A and A/D converters, and acoustic echo cancellation. Memory interfaces support DDR-SDRAM, NAND, and NOR Flash. Additional peripherals include USB 2.0 host, SSC, SPI, PCM/AC97 interfaces, and hardware encryption accelerators for DES/3DES, AES, SHA-1, and MD5.

Telecom Feature Summary

• Dual-core architecture featuring two 400 MHz MIPS 24KEc processors optimized for voice and multimedia tasks.
• Integrated three-port Gigabit Ethernet switch combined with dual 10/100BaseT Ethernet MACs and PHYs for flexible connectivity.
• Comprehensive voice processing engine supporting advanced acoustic echo cancellation and multiple audio codecs.
• Hardware-accelerated security unit providing encryption and hashing capabilities for secure communications.

Telecom Applications

• High-end IP Phones
• Video Phones
• WLAN base-stations
• Network Fax Machines

Telecom Procurement Notes

Verify component authenticity through authorized Infineon distributors or certified suppliers. Confirm RoHS compliance status via official documentation before integration. Check for obsolescence notices as this specific part number may be discontinued. Ensure proper handling of ESD-sensitive components during storage and assembly. Validate package integrity upon receipt to prevent damage to the PG-LBGA-324-3 housing.

Telecom Selection Notes

Select this component for designs requiring high-performance VoIP processing with integrated networking. Consider the dual-core MIPS architecture for complex protocol stacks and multimedia features. Evaluate memory requirements against supported DDR-SDRAM and Flash interfaces. Verify compatibility with existing SIP/H.323 software reference designs provided by Infineon. Assess thermal management needs for the LBGA package in enclosed enclosures.

Telecom Part Context

This part belongs to the INCA-IP2 series, representing the second generation of IP Phone terminal chips from Infineon. It succeeds earlier generations by offering enhanced processing power and integrated Gigabit Ethernet switching. The series targets telecommunications manufacturers seeking to differentiate products through advanced voice and multimedia capabilities on a unified platform.

Telecom Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Consult Infineon technical support for current alternatives if this component is discontinued. Review pinout and functional compatibility carefully when considering cross-references from other vendors.

Telecom FAQ

What is the maximum operating frequency of the CPUs in the PSB21653ELV1.5-G?

The device integrates two MIPS 24KEc CPUs that operate at a frequency of 400 MHz.

Does the PSB21653ELV1.5-G include built-in Ethernet PHYs?

Yes, it includes two integrated 10/100BaseT Ethernet MACs and PHYs for LAN and PC connections, in addition to a three-port Gigabit Ethernet switch.

Which voice codecs are supported by the hardware?

The device supports G.711, G.723.1, G.729A/B, G.722, G.722.1, iLBC, and AMR codecs.