2A717 - Beyond DREAMS European Nanoelectronics Forum Noordwijk, November 17-18, 2009 How to deal with Design Refinement of Embedded Analog Mixed-signal Systems ? Electronics in a car today ~30 electrical/electronic systems, 50-100 microprocessors, >100 sensors in modern middle class cars Source: IMEC-NL Source: IMEC-NL Provide the missing links ! Contribute to standardization ! Specification RF Functional Digital System SoC or SiP D A(MS)‫‏‬ Architectural SystemC-AMS Interface Sub-system SystemC Implementation Extend the existing standards already in use for digital, re-use of IP block and subsystems for EAMS ! Beyond DREAMS consortium Sub-circuit Verilog-A(MS), VHDL-AMS VHDL, Verilog, ... Firefighter Body Sensor Network, Source: TI-WMC The Beyond DREAMS partners works on these 3 axes: Refinement Methodology Specification Functional Description Design Framework based on IP-XACT Extensions SystemC AMS Extensions Models of Computation MoC Deployment Timed Data Flow TDF Control & Installation WP4&5 Architectural Explorations Mapping on known structures from libraries Structure Technology Mapping on elementary blocks TDF Design entry and AMS IP integration Simulatable specifications Generator studio Specific application use cases WP4 Linear Signal Flow LSF Electrical Linear Network ELN Use cases Platform Assembly Creation of multisite data structure Keys of success: Today Vertical approach Unique methodology IP Description Data capture, object blocs creation WP1&4 Industry-needs oriented WP1 ELN Fast deployment Domain Expert Parameters Acquiring Technical know-how SystemC AMS Application Specific Libraries User friendly interface Simulatable Specifications SystemC AMS SystemC A/D Converter MIPS 32 bits MIPS 32 bits + nd order 2 modulator OSR=64Application Binary File 10 bits decimator 8.53 MHz 2.4 MHz RF Transceiver QPSK fc=2.4GHz 2.4 GHz Specification in XML System architecture Beyond DREAMS WEB Site https://wiki.eas.iis.fraunhofer.de/beyonddreams STM Magillem NXP Bosch D-Sync UPMC-LIP6 Infineon IFX TU Delft CEA-LETI Fraunhofer G.-IIS/EAS TI-WMC INP-TIMA IMEC-NL TUV Simulation results European Nanoelectronics Forum Noordwijk, November 17-18, 2009 2A717 - Beyond DREAMS SystemC AMS extensions Model of Computation Digital time interface Digital time domain Level of abstraction SystemC TLM with time Specialized channel TLM-TDF interaction concepts Analog Analog time domain SystemC AMS TDF Specialized port SystemC AMS TDF SystemC AMS ELN/LSF Synthesizable description Discrete Event basic_status write( const long& adr , const long& data) { fc_high.write(bool(data)); return basic_protocol::SUCCESS; } basic_status read( const long& adr , const long& data) { data = long(1024.0 * a2d.read()); return basic_protocol::SUCCESS; } typedef tlm_transport_if … if_type; sc_export<if_type> slave_port; sca_tdf::ams2tlm<double> a2d; sca_tdf::tlm2ams<bool> fc_high; 30x faster 95% accurate SystemC BCA SCA_TDF_MODULE(prefi_ad) : public virtual basic_slave_base< long , long > { sca_tdf::sca_in <double> in; // signal input port Continuous Time Conservative Netlist void set_attributes() { a2d.set_delay(1.0,SC_US); fc_high.set_delay(2.0,SC_US); } void processing() { double tmp; // high or low cut-off freq. if(fc_high.read()) tmp = ltf_1(b, a1, s, in.read()); else tmp = ltf_0(b, a0, s, in.read()); a2d.write(tmp); } SCA_CTOR(prefi_ad) { slave_port(*this); } }; TLM<->TDF synchronization variable Simulatable Specification Design framework & IP re-use : IP-XACT extensions Models Libraries & IP-Reuse Generators IP Package (AMS) Synthesizable description Simulatable description Documentation Parameterization Configuration Environment Normalized description External references -Ports -Interfaces -Views -Parameters -Constraints -Generators invocation -... .xml Constraints • • • • • Automated connections Verification Configuration Launching external tools 3rd party tools integration IPs Vendor Extensions (under specification in WP1) allows to describe the AMS nature and interface of a component • • • • • Bus def. Abstr. def. Designs • Using inputs from WP1 (D1.2-Specifications of the AMS extension for IP-XACT) • Implementation of the XML schema (prototype with vendor extensions) Source:Magillem Wireless Sensor Network application first results + Source:UPMC-LIP6 STM Magillem NXP Bosch D-Sync UPMC-LIP6 Infineon IFX TU Delft CEA-LETI Fraunhofer G.-IIS/EAS TI-WMC INP-TIMA IMEC-NL TUV SystemC AMS VHDL AMS Verilog AMS Reports Formats…