Patents Assigned to Freescale
  • Publication number: 20150256165
    Abstract: A system and method are present for generating a modulated waveform. A timer is configured to generate a first modulated waveform signal, and an adder module is configured to calculate a delay. The delay includes at least one of an edge fractional delay and a dead time fractional delay. A delay module is operably coupled to the timer and the adder module. The delay module is configured to delay at least one of a rising edge of the first modulated waveform signal and a falling edge of the first modulated waveform signal by the delay to generate a second modulated waveform signal that has a higher frequency resolution than a frequency resolution of the first modulated waveform signal.
    Type: Application
    Filed: March 6, 2014
    Publication date: September 10, 2015
    Applicant: FREESCALE SEMICONDUCTOR, INC.
    Inventors: Mark A. Lancaster, Chongli Wu
  • Publication number: 20150256135
    Abstract: Rail-to-rail follower circuits. In some embodiments, a source follower circuit may include a first level shifter configured to receive an input voltage; an N-type Metal-Oxide-Semiconductor (NMOS) transistor having a gate terminal coupled to an output of the first level shifter; a second level shifter configured to receive the input voltage; a P-type Metal-Oxide-Semiconductor (PMOS) transistor having a gate terminal coupled to an output of the second level shifter and a source terminal coupled to a source terminal of the NMOS transistor; and an amplifier configured to receive the input voltage and to output a current at a node between the source terminal of the NMOS transistor and the source terminal of the PMOS transistor, wherein the current is determined based upon a difference between the input voltage and a reference voltage.
    Type: Application
    Filed: March 10, 2014
    Publication date: September 10, 2015
    Applicant: Freescale Semiconductor, Inc.
    Inventors: Ricardo P. Coimbra, Edevaldo Pereira Silva, JR., Andre L. Couto
  • Publication number: 20150254017
    Abstract: A semiconductor device includes, in various embodiments, a memory and a processor, with the processor configured to perform a permission check prior to execution of a memory-access instruction. The permission check comprises evaluating a permission attribute of the memory-access instruction and a permission attribute of a memory location to be accessed. The memory-access instruction is denied unless the permission attribute of the memory-access instruction is compatible with the permission attribute of the memory location to be accessed. In various embodiments, permission attributes are obtained by the processor from a one-time-programmable (OTP) memory module. In various embodiments, the permission attributes are determined based on a source address of the memory-access instruction and an address of the memory location to be accessed. In various embodiments, the OTP memory module stores permission settings that are based on the identity of suppliers for various portions of code stored in the memory.
    Type: Application
    Filed: March 6, 2014
    Publication date: September 10, 2015
    Applicant: Freescale Semiconductor, Inc.
    Inventors: Richard Soja, Nancy H. Amedeo
  • Patent number: 9129948
    Abstract: A semiconductor device has a die support and external leads formed integrally from a single sheet of electrically conductive material. A die mounting substrate is mounted on the die support, with bonding pads coupled to respective external connection pads on an external connector side of the substrate. A die is attached to the die mounting substrate with die connection pads. Bond wires selectively electrically couple the die connection pads to the external leads and the bonding pads and electrically conductive external protrusions are mounted to the external connection pads. An encapsulant covers the die and bond wires. The external protrusions are located at a central region of a surface mounting side of the package and the external leads project outwardly from locations near the die support towards peripheral edges of the package.
    Type: Grant
    Filed: September 29, 2014
    Date of Patent: September 8, 2015
    Assignee: FREESCALE SEMICONDUCTOR, INC.
    Inventors: Meiquan Huang, Huan Wang, Jinsheng Wang, Naikou Zhou
  • Patent number: 9131325
    Abstract: An assembly (220) includes a MEMS die (222) and an integrated circuit (IC) die (224) attached to a substrate (226). The MEMS die (222) includes a MEMS device (237) formed on a substrate (242). A packaging process (264) entails forming the MEMS device (237) on the substrate (242) and removing a material portion of the substrate (237) surrounding the device (237) to form a cantilevered substrate platform (246) suspended above the substrate (226) at which the MEMS device (237) resides. The MEMS die (222) is electrically interconnected with the IC die (224). A plug element (314) can be positioned overlying the platform (246). Molding compound (32) is applied to encapsulate the die (222), the IC die (224), and substrate (226). Following encapsulation, the plug element (314) can be removed, and a cap (236) can be coupled to the substrate (242) overlying an active region (244) of the MEMS device (237).
    Type: Grant
    Filed: January 30, 2012
    Date of Patent: September 8, 2015
    Assignee: FREESCALE SEMICONDUCTOR, INC.
    Inventors: Mark E. Schlarmann, Andrew C. McNeil, Hemant D. Desai
  • Patent number: 9129990
    Abstract: Embodiments of semiconductor devices and driver circuits include a semiconductor substrate having a first conductivity type, an isolation structure (including a sinker region and a buried layer), an active device within area of the substrate contained by the isolation structure, and a diode circuit. The buried layer is positioned below the top substrate surface, and has a second conductivity type. The sinker region extends between the top substrate surface and the buried layer, and has the second conductivity type. The active device includes a drain region of the second conductivity type, and the diode circuit is connected between the isolation structure and the drain region. The diode circuit may include one or more Schottky diodes and/or PN junction diodes. In further embodiments, the diode circuit may include one or more resistive networks in series and/or parallel with the Schottky and/or PN diode(s).
    Type: Grant
    Filed: June 29, 2012
    Date of Patent: September 8, 2015
    Assignee: Freescale Semiconductor, Inc.
    Inventors: Weize Chen, Hubert M. Bode, Richard J. De Souza, Patrice M. Parris
  • Patent number: 9129996
    Abstract: A method of making a semiconductor device includes depositing a layer of polysilicon in a non-volatile memory (NVM) region and a logic region of a substrate. The layer of polysilicon is patterned into a gate in the NVM region while the layer of polysilicon remains in the logic region. A memory cell is formed including the gate in the NVM region while the layer of polysilicon remains in the logic region. The layer of polysilicon in the logic region is removed and the substrate is implanted to form a well region in the logic region after the memory cell is formed. A layer of gate material is deposited in the logic region. The layer of gate material is patterned into a logic gate in the logic region.
    Type: Grant
    Filed: September 10, 2013
    Date of Patent: September 8, 2015
    Assignee: Freescale Semiconductor, Inc.
    Inventors: Frank K. Baker, Jr., Cheong Min Hong
  • Patent number: 9129661
    Abstract: A single-port memory that operates in single-cycle dual-port mode has a logical capacity of N=k·m memory words and (k+1) single-port RAM having an overall physical capacity of (k+1)·m memory words. A status register holds words identifying which RAM bank has the last data at the ith address in the RAM banks and defining k status words for valid data among the (k+1) RAM banks. Write data is written to the write address of a valid RAM bank for a write operation in the absence of RAM bank read address contention. Write data is written to the write address of a different RAM bank that has no valid data for a write operation if there is contention with the RAM bank read address RADDR of a read operation. The status register is updated to identify the RAM bank of the write operation.
    Type: Grant
    Filed: September 1, 2013
    Date of Patent: September 8, 2015
    Assignee: FREESCALE SEMICONDUCTOR, INC.
    Inventors: Aarul Jain, Rakesh Pandey, Rohit S. Patel
  • Patent number: 9130632
    Abstract: An antenna diversity system comprises a diversity transmitter having a plurality of transmitter-side antennas, the diversity transmitter being arranged to generate at least one sequence of signals comprising data packets having payloads identical and identifiers different for each of the data packets, each of the identifiers identifying a corresponding one of the plurality of transmitter-side antennas; and to successively transmit at least two of the signals at different points in time on the corresponding ones of the plurality of transmitter-side antennas; and a receiver comprising a first receiver-side antenna, the receiver being arranged to successively receive the signals of the at least one sequence on the first receiver-side antenna, and to suspend receiving of subsequent signals of the at least one sequence when an error check of a data packet comprised in a received signal of the at least one sequence indicates a successful reception.
    Type: Grant
    Filed: July 17, 2009
    Date of Patent: September 8, 2015
    Assignee: Freescale Semiconductor, Inc.
    Inventor: Laurent Gauthier
  • Patent number: 9128925
    Abstract: A DMA controller allocates space at a buffer to different DMA engines based on the length of time data segments have been stored at a buffer. This allocation ensures that DMA engines associated with a destination that is experiencing higher congestion will be assigned less buffer space than a destination that is experiencing lower congestion. Further, the DMA controller is able to adapt to changing congestion conditions at the transfer destinations.
    Type: Grant
    Filed: April 24, 2012
    Date of Patent: September 8, 2015
    Assignee: Freescale Semiconductor, Inc.
    Inventors: Tommi M. Jokinen, David B. Kramer, Kun Xu
  • Patent number: 9129536
    Abstract: Embodiments of electronic circuits enable security of sensitive data in a design and manufacturing process that includes multiple parties. An embodiment of an electronic circuit can include a private key embedded within the electronic circuit that is derived from a plurality of components including at least one component known only to the electronic circuit and at least one immutable value cryptographically bound into messages and residing on the electronic circuit, public key generation logic that generates a public key to match the private key, and message signing logic that signs messages with the private key.
    Type: Grant
    Filed: August 31, 2012
    Date of Patent: September 8, 2015
    Assignee: Freescale Semiconductor, Inc.
    Inventors: Thomas E. Tkacik, Lawrence L. Case, Carlin R. Covey, David H. Hartley, Rodney D. Ziolkowski
  • Patent number: 9130628
    Abstract: A digital pre-distorter (DPD) for an RF transceiver system having multiple antennas includes a DPD controller, first and second address generators, stream select and antenna select muxes, first and second lookup tables (LUTs), first and second dynamic routing logic units, multipliers, an adder, and an accumulator. The DPD controller generates antenna select, stream select and stream routing signals indicative of selection of antennas, the first and second LUTs, and input signals. The DPD controller configures the DPD to share the multipliers and the first and second LUTs between multiple antennas by providing the antenna select signal to the antenna select mux, the stream select signal to the stream select mux, and the stream routing signals to the first and second dynamic routing logic units.
    Type: Grant
    Filed: December 24, 2014
    Date of Patent: September 8, 2015
    Assignee: FREESCALE SEMICONDUCTOR, INC.
    Inventors: Akshat Mittal, Arvind Kaushik, Peter Z. Rashev, Amrit P. Singh
  • Patent number: 9129930
    Abstract: A device comprising a substrate, an integrated circuit (IC) die attached to the substrate on one side, a plurality of contact pads on an active side of the IC die, a plurality of thermally and electrically conductive legs, each of the legs attached to a respective one of the contact pads, and an encapsulating material formed around the substrate, the IC die, and a portion of the legs. A contact end of each of the legs is exposed, and one of the contact ends conducts a signal from a transistor in the IC die.
    Type: Grant
    Filed: July 15, 2014
    Date of Patent: September 8, 2015
    Assignee: FREESCALE SEMICONDUCTOR, INC.
    Inventor: Min Ding
  • Patent number: 9129981
    Abstract: Microelectronic packages and methods for fabricating microelectronic packages are provided. In one embodiment, the method includes producing a plurality of vertically-elongated contacts in ohmic contact with interconnect lines contained within one or more redistribution layers built over the frontside of a semiconductor die. A molded radiofrequency (RF) separation or stand-off layer is formed over the redistribution layers through which the plurality of vertically-elongated contacts extend. An antenna structure is fabricated or otherwise provided over the molded RF stand-off layer and electrically coupled to the semiconductor die through at least one of the plurality of vertically-elongated contacts.
    Type: Grant
    Filed: November 26, 2013
    Date of Patent: September 8, 2015
    Assignee: FREESCALE SEMICONDUCTOR INC.
    Inventors: Weng F. Yap, Eduard J. Pabst
  • Patent number: 9129951
    Abstract: A lead frame includes a lead formed of a conductive material and having first and second ends, opposing first and second main surfaces, and opposing first and second side surfaces each extending between the first and second main surfaces. A polymeric layer is formed at least on the first main surface and the first and second side surfaces of the lead at least proximate the second end of the lead. An opening in the polymeric layer on the first main surface of the lead proximate the second end is provided for connecting the lead to, for example, a semiconductor die via a bond wire.
    Type: Grant
    Filed: October 17, 2013
    Date of Patent: September 8, 2015
    Assignee: FREESCALE SEMICONDUCTOR, INC.
    Inventors: Seng Kiong Teng, Ly Hoon Khoo, Wen Shi Koh
  • Patent number: 9130006
    Abstract: A device includes a semiconductor substrate, emitter and collector regions disposed in the semiconductor substrate, having a first conductivity type, and laterally spaced from one another, and a composite base region disposed in the semiconductor substrate, having a second conductivity type, and including a base contact region, a buried region through which a buried conduction path between the emitter and collector regions is formed during operation, and a base link region electrically connecting the base contact region and the buried region. The base link region has a dopant concentration level higher than the buried region and is disposed laterally between the emitter and collector regions.
    Type: Grant
    Filed: October 7, 2013
    Date of Patent: September 8, 2015
    Assignee: Freescale Semiconductor, Inc.
    Inventors: Xin Lin, Daniel J. Blomberg, Jiang-Kai Zuo
  • Patent number: 9129855
    Abstract: A method of making a semiconductor structure includes forming a select gate over a substrate in an NVM portion and a first protection layer over a logic portion. A control gate and a storage layer are formed over the substrate in the NVM portion, wherein the control and select gates have coplanar top surfaces. The charge storage layer is under the control gate, along adjacent sidewalls of the select gate and control gate, and is partially over the top surface of the select gate. A second protection layer is formed over the NVM portion and the logic portion. The second protection layer and the first protection layer are removed from the logic portion leaving a portion of the second protection layer over the control gate and the select gate. A gate structure is formed over the logic portion comprising a high k dielectric and a metal gate.
    Type: Grant
    Filed: September 30, 2013
    Date of Patent: September 8, 2015
    Assignee: Freescale Semiconductor, Inc.
    Inventors: Asanga H. Perera, Cheong Min Hong, Sung-Taeg Kang, Jane A. Yater
  • Patent number: 9129806
    Abstract: Protection device structures and related fabrication methods are provided. An exemplary semiconductor protection device includes a base well region having a first conductivity type, an emitter region within the base well region having a second conductivity type opposite the first conductivity type, a collector region having the second conductivity type, a first floating region having the second conductivity type within the base well region between the emitter region and the collector region, and a second floating region having the first conductivity type within the base well region between the first floating region and the collector region. The floating regions within the base well region are electrically connected to reduce current gain and improve holding voltage.
    Type: Grant
    Filed: May 22, 2013
    Date of Patent: September 8, 2015
    Assignee: FREESCALE SEMICONDUCTOR INC.
    Inventors: Rouying Zhan, Chai Ean Gill, Wen-Yi Chen, Michael H. Kaneshiro
  • Patent number: 9129700
    Abstract: Erasing of a non-volatile memory (NVM) having an array of bit cells includes soft programming after an initial erasing of the bit cells. Over-erased bit cells are determined. A temperature is detected. A first soft program gate voltage based on the temperature is provided. Soft programming on the over-erased bit cells using the first soft program gate voltage is performed. Any remaining over-erased bit cells are identified. if there are any remaining over-erased bit cells, soft programming is performed on the remaining over-erased bit cells using a second soft program gate voltage incremented from the first soft program gate voltage.
    Type: Grant
    Filed: January 22, 2013
    Date of Patent: September 8, 2015
    Assignee: Freescale Semiconductor, Inc.
    Inventor: Jon S. Choy
  • Publication number: 20150248343
    Abstract: A method and apparatus for implementing instrumentation code within application program code is provided. The method includes, within a software development tool, defining at least one instrumentation point within the application program code, associating at least one instrumentation code object with the at least one defined instrumentation point, the at least one instrumentation code object comprising instrumentation code, and causing the instrumentation code of the at least one instrumentation code object associated with the at least one instrumentation point to be incorporated into the application program code prior to compilation of the application program code.
    Type: Application
    Filed: July 27, 2012
    Publication date: September 3, 2015
    Applicant: FREESCALE SEMICONDUCTOR, INC.
    Inventors: Razvan Ionescu, Radu-Marian Ivan, Ionut-Valentin Vicovan