Overview
1.3
Feature list
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Dual-issue, 32-bit Power Architecture Book E compliant CPU core complex (e200z4d)
— Memory Management Unit (MMU)
— 4 KB, 2/4-way instruction cache
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2 MB on-chip ECC flash memory with:
— Flash memory controller
— Prefetch buffers
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64 KB on-chip ECC SRAM
1 MB on-chip non-ECC graphics SRAM with two-port graphics SRAM controller
Memory Protection Unit (MPU) with up to 16 region descriptors and 32-byte region granularity to provide basic
memory access permission and ensure separation between different codes and data
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Interrupt Controller (INTC) with 181 peripheral interrupt sources and eight software interrupts
Two Frequency-Modulated Phase-Locked Loops (FMPLLs)
— Primary FMPLL (FMPLL0) provides a system clock up to 125 MHz
— Auxiliary FMPLL (FMPLL1) is available for use as an alternate, modulated or non-modulated clock source to
eMIOS modules, QuadSPI and as alternate clock to the DCU and DCU-Lite for pixel clock generation
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Crossbar switch architecture enables concurrent access of peripherals, flash memory or RAM from multiple bus
masters
16-channel Enhanced Direct Memory Access controller (eDMA) with multiple transfer request sources using a DMA
channel multiplexer
Boot Assist Module (BAM) with 8 KB dedicated ROM for embedded boot code supports boot options including
download of boot code via a serial link (CAN or SCI)
Two Display Control Units (DCU3 and DCULite) for direct drive of up to two TFT LCD displays up to XGA
resolution
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Timing Controller (TCON) and RSDS interface for the DCU3 module
2D OpenVG 1.1 and raster graphics accelerator (GFX2D)
Video Input Unit (VIU2) supporting 8/10-bit ITU656 video input, YUV to RGB conversion, video down-scaling,
de-interlacing, contrast adjustment and brightness adjustment.
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DRAM controller supporting DDR1, DDR2, LPDDR1 and SDR DRAMs
Stepper Motor Controller (SMC)
— High-current drivers for as many as six stepper motors driven in full dual H-bridge configuration
— Stepper motor return-to-zero and stall detection module
— Stepper motor short circuit detection
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Sound Generator Module (SGM)
— 4-channel mixer
— Supports PCM wave playback and synthesized tones
2
— Optional PWM or I S outputs
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Two 16-channel Enhanced Modular Input Output System (eMIOS) modules
— Support a range of 16-bit Input Capture, Output Compare, Pulse Width Modulation and Quadrature Decode
functions
10-bit Analog-to-Digital Converter (ADC) with a maximum conversion time of 1 s
— Up to 20 internal channels
— Up to 8 external channels
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Three Deserial Serial Peripheral Interface (DSPI) modules for full-duplex, synchronous, communications with
external devices
QuadSPI serial flash memory controller
— Supports single, dual and quad IO serial flash memory
PXD20 Microcontroller Data Sheet, Rev. 2
Freescale Semiconductor
Preliminary—Subject to Change Without Notice
5
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