CX2425x
In February 2010, Trident acquired the set-top box and TV product lines from NXP’s BU Home. The product(s) on this page are now a part of Trident Microsystems’ product offering for the set-top box market.
General Description
The CX2425x family offers an MPEG-2 MP@ML decoder (Dolby Digital audio is optional), multiple transport stream inputs, a transport processor, a 32-bit RISC CPU, a 2D graphics accelerator, a TV encoder, a channel 3/4 RF modulator, a video/graphics display compositing controller, and a set of peripheral I/O ports for Set-top Box (STB) front and back panel connectors.
Key Features
- MPEG-2/DVB/DIRECTV® broadcast service decoder for worldwide markets
- Basic SDTV DVR solution with dual input, single output
- High-performance 32-bit 275 MIPS ARM®926 CPU with 16KB I and D caches
- Advanced security features, including secure boot software authentication, IC personalization via OTP memory, and 3DES/AES ciphering engines
- Glueless interface to MPEG-4 AVC/H.264 coprocessor
- High-performance peripheral I/O, including dual USB 2.0, high speed UART, and SATA HDD support
- High-performance 8- or 16-bit DDR-SDRAM memory controller architecture
- 656 YCrCb and I²S I/O

