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MCIMX25 Datasheet(PDF) 5 Page - Freescale Semiconductor, Inc |
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MCIMX25 Datasheet(HTML) 5 Page - Freescale Semiconductor, Inc |
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5 / 132 page  i.MX25 Applications Processor for Consumer and Industrial Products, Rev. 2 Freescale Semiconductor 5 2Features Table 2 describes the digital and analog modules of the device. Table 2. i.MX25 Digital and Analog Modules Block Mnemonic Block Name Subsystem Brief Description 1-WIRE 1-Wire Interface Connectivity peripherals 1-Wire support provided for interfacing with an on-board EEPROM, and smart battery interfaces, for example: Dallas DS2502. ARM9 or ARM926 ARM926 platform and memory ARM® The ARM926 Platform consists of the ARM926EJ-S™ core, the ETM real-time debug modules, a 5x5 Multi-Layer AHB crossbar switch, and a “primary AHB” complex. It contains the 16-Kbyte L1 instruction cache, 16-Kbyte L1 data cache, 32-Kbyte ROM and 128-Kbyte RAM. ATA ATA module Connectivity peripherals The ATA module is an AT attachment host interface. Its main use is to interface with IDE hard disc drives and ATAPI optical disc drives. It interfaces with the ATA device over a number of ATA signals. AUDMUX Digital audio mux Multimedia peripherals The AUDMUX is a programmable interconnect for voice, audio, and synchronous data routing between host serial interfaces (SSIs) and peripheral serial interfaces (audio codecs). The AUDMUX has two sets of interfaces: internal ports to on-chip peripherals, and external ports to off-chip audio devices. Data is routed by configuring the appropriate internal and external ports. CCM Clock control module Clocks This block generates all clocks for the iMX25 system. The CCM also manages the ARM926 Platform's low-power modes (wait, stop, and doze) by disabling peripheral clocks appropriately for power conservation. CSPI(3) Configurable serial peripheral interface Connectivity peripherals This module is a serial interface equipped with data FIFOs. Each master/slave-configurable SPI module is capable of interfacing to both serial port interface master and slave devices. The CSPI ready (SPI_RDY) and slave select (SS) control signals enable fast data communication with fewer software interrupts. DRYICE DryIce module Security DryIce provides volatile key storage for point-of-sale (POS) terminals, and a trusted time source for digital rights management (DRM) schemes. Several tamper-detect circuits are also provided to support key erasure and time invalidation in the event of tampering. Alarms and/or interrupts can also assert if tampering is detected. DryIce also includes a real time clock (RTC) that can be used in secure and non-secure applications. EMI External memory interface Connectivity peripherals The external memory interface (EMI) module provides access to external memory for the ARM and other masters. It is composed of four main submodules: • M3IF provides arbitration between multiple masters requesting access to the external memory. • Enhanced SDRAM/LPDDR memory controller (ESDCTL) interfaces to DDR2 and SDR interfaces. • NAND Flash controller (NFC) provides an interface to NAND Flash memories. • Wireless external interface memory controller (WEIM) interfaces to NOR Flash and PSRAM. |
Similar Part No. - MCIMX25 |
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Similar Description - MCIMX25 |
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