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MPC5554AZP132 Datasheet(PDF) 2 Page - Freescale Semiconductor, Inc |
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MPC5554AZP132 Datasheet(HTML) 2 Page - Freescale Semiconductor, Inc |
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2 / 58 page  MPC5554 Microcontroller Data Sheet, Rev. 4 Overview Freescale Semiconductor 2 The MPC5500 family of parts contains many new features coupled with high performance CMOS technology to provide significant performance improvement over the MPC565. The MPC5554 has two levels of memory hierarchy. The fastest accesses are to the 32-kilobytes (KB) unified cache. The next level in the hierarchy contains the 64-KB on-chip internal SRAM and two-megabytes (MB) internal flash memory. The internal SRAM and flash memory hold instructions and data. The external bus interface is designed to support most of the standard memories used with the MPC5xx family. The complex input/output timer functions of the MPC5554 are performed by two enhanced time processor unit (eTPU) engines. Each eTPU engine controls 32 hardware channels, providing a total of 64 hardware channels. The eTPU has been enhanced over the TPU by providing: 24-bit timers, double-action hardware channels, variable number of parameters per channel, angle clock hardware, and additional control and arithmetic instructions. The eTPU is programmed using a high-level programming language. The less complex timer functions of the MPC5554 are performed by the enhanced modular input/output system (eMIOS). The eMIOS’ 24 hardware channels are capable of single-action, double-action, pulse-width modulation (PWM), and modulus-counter operations. Motor control capabilities include edge-aligned and center-aligned PWM. Off-chip communication is performed by a suite of serial protocols including controller area networks (FlexCANs), enhanced deserial/serial peripheral interfaces (DSPIs), and enhanced serial communications interfaces (eSCIs). The DSPIs support pin reduction through hardware serialization and deserialization of timer channels and general-purpose input/output (GPIOs) signals. The MCU has an on-chip enhanced queued dual analog-to-digital converter (eQADC). 324 s40-channels. The system integration unit (SIU) performs several chip-wide configuration functions. Pad configuration and general-purpose input and output (GPIO) are controlled from the SIU. External interrupts and reset control are also determined by the SIU. The internal multiplexer submodule provides multiplexing of eQADC trigger sources, daisy chaining the DSPIs, and external interrupt signal multiplexing. |
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