CMX7861 Description
1.1 General CMX7861 The CMX7861 FirmCODEC® is a general-purpose, dual-channel baseband interface device for use in DSP-based systems. The device is a bination of codec, embedded signal processing and auxiliary system support functions that, together, allow simple interfacing to analogue and digital systems. Single-ended and differential interface options are provided and I/Q-based operation is supported.
CMX7861 Key Features
- Dual Channel Codecs o Can operate in modem or codec mode o Two ADCs 16 bit o Two DACs 14 bit o Programmable input and ou
- Digital Channel Filters o Two fully-programmable digital filters o Filter design and configuration support
- Auxiliary ADCs o Four 10-bit DACs o Autonomous RAMDAC sequencer
- Auxiliary ADC o One 10-bit ADC with four-input MUX o ADC averaging, trip on high/low ‘watch’ modes
- Auxiliary GPIO o Four programmable input/outputs
- Auxiliary Synthesised Clock Generators o Two programmable clock outputs
- C-BUS Host Serial Interface o SPI-like with register addressing o Read/write 128-byte FIFOs and data buffers o Streamlin
- Master SSP Interface o External slave device control o Serial Flash connection
- Low-power 3.0V to 3.6V operation
- Multiple power-saving options