The invention relates to an AMC (
advanced mezzanine card) board card
structure based on a MicroTCA (telecom and computing architecture) standard and a
connection type thereof. The AMC board card structure comprises AMC board cards and an MCH (
metal ceramics heater) board card which are arranged on a MicroTCA
standard system back plate, and is characterized in that each AMC board card is also provided with an SRIO (serial rapid input / output) switch
chip, an MMC (
multi media card)
chip and DSP (
digital signal processing) chips, wherein the SRIO switch
chip comprises
data processing channels and an AMC board card
interconnection channel, the number of the
data processing channels is the same as that of the DSP chips, the
data processing channels are connected with the DSP chips, and the AMC board card
interconnection channel is connected to the back plate through an AMC connector; the MMC chip adopts an ARM (advanced RISC machines)
microcontroller chip, and the
ARM microcontroller chip is connected with an MCH board card through an IPMI (
intelligent platform management interface); and the DSP chip is connected to the
ARM microcontroller chip through a UART (universal asynchronous
receiver /
transmitter). Each AMC board card respectively establishes
interconnection topologies with the AMC board cards, same in quantity, positioned on the two sides of each AMC board card through the SRIO switch chip, so that
software and hardware pressures concentrated on the MCH can be directly scattered to each AMC board card, further the resource space of the MCH can be saved and the
resource allocation of the
system can be balanced; meanwhile, the AMC board cards can be flexibly configured, the bandwidth can be increased and decreased timely, and the stability and reliability of the
system and the flexibility of the configuration can be enhanced, thus the AMC board card is applied to the design requirements of telecommunication equipment in a high-definition era.