PDF MCF54451 Data sheet ( Hoja de datos )

Número de pieza	MCF54451
Descripción	(MCF5445x) Microprocessor
Fabricantes	Freescale Semiconductor
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No Preview Available ! Freescale Semiconductor Data Sheet: Advance Information MCF5445x ColdFire® Microprocessor Data Sheet Features www.DataShee•t4UV.ceorsmion 4 ColdFire® Core with MMU and EMAC • Up to 410 Dhrystone 2.1 MIPS @ 266 MHz • 16-KBytes instruction cache and 16-KBytes data cache • 32-KBytes internal SRAM • Support for booting from SPI-compatible flash, EEPROM, and FRAM devices • Crossbar switch technology (XBS) for concurrent access to peripherals or RAM from multiple bus masters • 16-channel DMA controller • 16-bit 133-MHz DDR/mobile-DDR/DDR2 controller • USB 2.0 On-the-Go controller with ULPI support • 32-bit PCI controller @ 66MHz • ATA/ATAPI controller • 2 10/100 Ethernet MACs • Coprocessor for acceleration of the DES, 3DES, AES, MD5, and SHA-1 algorithms • Random number generator • Synchronous serial interface (SSI) • 4 periodic interrupt timers (PIT) • 4 32-bit timers with DMA support • DMA-supported serial peripheral interface (DSPI) • 3 UARTs • I2C bus interface Document Number: MCF54455 Rev. 2, 05/2008 MCF54455 MAPBGA–256 17mm x 17mm TEPBGA–360 23mm x 23mm This document contains information on a new product. Specifications and information herein are subject to change without notice. © Freescale Semiconductor, Inc., 2008. All rights reserved. 1 page 2 Ordering Information Table 2. Orderable Part Numbers www.DataSheet4U.com Freescale Part Number MCF54450VM180 MCF54450VM240 MCF54451CVM180 MCF54451VM240 MCF54452CVR200 MCF54452VR266 MCF54453CVR200 MCF54453VR266 MCF54454CVR200 MCF54454VR266 MCF54455CVR200 MCF54455VR266 Description Package Speed MCF54450 Microprocessor MCF54451 Microprocessor MCF54452 Microprocessor MCF54453 Microprocessor MCF54454 Microprocessor MCF54455 Microprocessor 256 MAPBGA 360 TEPBGA 180 MHz 240 MHz 180 MHz 240 MHz 200 MHz 266 MHz 200 MHz 266 MHz 200 MHz 266 MHz 200 MHz 266 MHz Ordering Information Temperature 0° to +70° C –40° to +85° C 0° to +70° C –40° to +85° C 0° to +70° C –40° to +85° C 0° to +70° C –40° to +85° C 0° to +70° C –40° to +85° C 0° to +70° C 3 Hardware Design Considerations 3.1 Analog Power Filtering To further enhance noise isolation, an external filter is strongly recommended for the analog VDD pins (VDD_A_PLL, VDD_RTC). The filter shown in Figure 2 should be connected between the board IVDD and the analog pins. The resistor and capacitors should be placed as close to the dedicated analog VDD pin as possible. The 10-Ω resistor in the given filter is required. Do not implement the filter circuit using only capacitors. The analog power pins draw very little current. Concerns regarding voltage loss across the 10-ohm resistor are not valid. Board IVDD 10 Ω 10 µF 0.1 µF Analog VDD Pin GND Figure 2. System Analog VDD Power Filter Freescale Semiconductor MCF5445x ColdFire® Microprocessor Data Sheet, Rev. 2 5 5 Page Pin Assignments and Reset States Table 4. MCF5445x Signal Information and Muxing (continued) Signal Name GPIO Alternate 1 Alternate 2 MCF54452 MCF54450 MCF54453 MCF54451 MCF54454 256 MAPBGA MCF54455 360 TEPBGA FEC0_TXD0 FEC0_TXEN FEC0_TXER www.DataSheet4FUE.cCo1m_MDC FEC1_MDIO FEC1_COL FEC1_CRS FEC1_RXCLK FEC1_RXDV FEC1_RXD[3:2] FEC1_RXD1 FEC1_RXD0 FEC1_RXER FEC1_TXCLK FEC1_TXD[3:2] FEC1_TXD1 FEC1_TXD0 FEC1_TXEN FEC1_TXER USB_DM USB_DP USB_VBUS_EN USB_VBUS_OC ATA_BUFFER_EN ATA_CS[1:0] PFEC0H5 PFEC0H6 PFEC0L4 PFECI2C5 PFECI2C4 PFEC1H4 PFEC1H0 PFEC1H3 PFEC1H2 PFEC1L[3:2] PFEC1L1 PFEC1H1 PFEC1L0 PFEC1H7 PFEC1L[7:6] PFEC1L5 PFEC1H5 PFEC1H6 PFEC1L4 — FEC0_RMII_TXD0 FEC0_RMII_TXEN — — — ULPI_DATA0 FEC1 — — — — — FEC1_RMII_ CRS_DV — FEC1_RMII_RXD1 FEC1_RMII_RXD0 FEC1_RMII_RXER FEC1_RMII_ REF_CLK — FEC1_RMII_TXD1 FEC1_RMII_TXD0 FEC1_RMII_TXEN — ATA_DIOR ATA_DIOW ATA_DATA7 ATA_DATA6 ATA_DATA5 ATA_DATA15 ATA_DATA[4:3] ATA_DATA14 ATA_DATA13 ATA_DATA12 ATA_DATA11 ATA_DATA[2:1] ATA_DATA10 ATA_DATA9 ATA_DATA8 ATA_DATA0 USB On-the-Go —— —— — PUSB1 USB_PULLUP ULPI_NXT PUSB0 — ULPI_STP ATA PATAH5 PATAH[4:3] — — — — — O EVDD — O EVDD — O EVDD — O EVDD — I/O EVDD — I EVDD — I EVDD — I EVDD — I EVDD — I EVDD — I EVDD — I EVDD — I EVDD — I EVDD — O EVDD — O EVDD — O EVDD — O EVDD — O EVDD — O USB VDD — O USB VDD — O USB VDD UD7 I USB VDD — O EVDD — O EVDD J4 K1 K2 — — — — — — — — — — — — — — — — F16 E16 E5 B3 — — Y11 W11 AB12 W20 Y22 AB18 AA18 W14 AB15 AA15, Y15 AA17 Y17 W17 AB19 Y19, W18 AA19 Y20 AA21 AA22 A14 A15 AA2 V4 Y13 W21, W22 Freescale Semiconductor MCF5445x ColdFire® Microprocessor Data Sheet, Rev. 2 11 11 Page

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