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MCF5251 bảng dữ liệu(PDF) 1 Page - Freescale Semiconductor, Inc |
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MCF5251 bảng dữ liệu(HTML) 1 Page - Freescale Semiconductor, Inc |
1 / 34 page © Freescale Semiconductor, Inc., 2008. All rights reserved. Freescale Semiconductor Data Sheet: Technical Data Freescale reserves the right to change the detail specifications as may be required to permit improvements in the design of its products. Document Number: MCF5251 Rev. 3, 04/2008 MCF5251 Package Information MAPBGA–225 Ordering Information: See Table 1 on page 2 1 Introduction This document provides an overview of the MCF5251 ColdFire processor and general descriptions of the MCF5251 features and modules. Also provided are electrical specifications, pin assignments, and package diagrams for MCF5251 ColdFire® processor. For functional characteristics, refer to the MCF5251 Reference Manual (MCF5251RM). The MCF5251 is a system controller/decoder for compressed audio music players addressing both portable and automotive solutions supporting CD, HDD and USB based systems. The 32-bit ColdFire core with enhanced multiply and accumulate (eMAC) unit provides optimum performance and code density for the combination of control code and signal processing required for compressed audio decode, file management, and system control. The MCF5251 is a general purpose system controller with over 125 Dhrystone 2.1 MIPS @ 140 MHz performance. The integrated peripherals and EMAC allow the MCF5251 to replace both the microcontroller MCF5251 ColdFire® Microprocessor Data Sheet 1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1.1 Orderable Part Numbers . . . . . . . . . . . . . . 2 1.2 Block Diagram . . . . . . . . . . . . . . . . . . . . . . 3 2 Functional Description . . . . . . . . . . . . . . . . . . . 4 2.1 Version 2 ColdFire Core . . . . . . . . . . . . . . . 4 2.2 Module Inventory . . . . . . . . . . . . . . . . . . . . 4 3 Signal Description . . . . . . . . . . . . . . . . . . . . . . 6 4 Electrical Specifications . . . . . . . . . . . . . . . . . 11 4.1 SDRAM Bus Timing . . . . . . . . . . . . . . . . . 16 4.2 SPDIF Timing . . . . . . . . . . . . . . . . . . . . . . 17 4.3 Serial Audio Interface Timing . . . . . . . . . . 17 4.4 DDATA/PST/PSTCLK Debug Interface . . 17 4.5 BDM and JTAG Timing . . . . . . . . . . . . . . 18 5 Package Information and Pinout . . . . . . . . . . 19 5.1 Pin Assignment . . . . . . . . . . . . . . . . . . . . 19 5.2 Package Drawing . . . . . . . . . . . . . . . . . . . 25 6 Product Documentation . . . . . . . . . . . . . . . . . 33 6.1 Revision History . . . . . . . . . . . . . . . . . . . . 33 |
Số phần tương tự - MCF5251_08 |
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Mô tả tương tự - MCF5251_08 |
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