MC68EN302PV25 Freescale, MC68EN302PV25 Datasheet
MC68EN302PV25
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MC68EN302PV25 Summary of contents
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... CONTROLLER MC68000 MICROCODED COMMUNICATIONS CONTROLLER (RISC) Figure 1. MC68EN302 Block Diagram This document contains information on a product under development. Freescale reserves the right to change or discontinue this product without notice. SEMICONDUCTOR PRODUCT INFORMATION 1995 For More Information On This Product, MC68EN302 3 TIMERS 1 GENERAL- PURPOSE ...
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... FIFO on both Transmit and Receive • No CPU or Bus Overhead Required Frame Collisions • 64 entry CAM with Hash Option • 128 internal Buffer Descriptors • Performs Framing Functions MC68EN302 PRODUCT INFORMATION For More Information On This Product, FEATURE LIST Go to: www.freescale.com ...
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... BUFFER DESCRIPTOR CONTROL SYSTEM INTERFACE ETHERNET PROTOCOL Figure 2. Ethernet Controller Block Diagram MC68EN302 PRODUCT INFORMATION For More Information On This Product, MODULE BUS 2 DMA CHANNELS TRANSMIT TRANSMIT STATUS FIFO ETHERNET PROTOCOL CORE EEST INTERFACE Go to: www.freescale.com RECEIVE FIFO ADDRESS RECOGNITION DUAL-PORT RAM ...
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... DRAM for zero wait states at 25 MHz • CAS before RAS refresh and refresh support during system reset MC68EN302 PRODUCT INFORMATION For More Information On This Product, INTERNAL B U 68000 BUS MODULE BUS CONTROLLER MODULE BUS ETHERNET AND DRAM CONTROLLER Figure 3. BusStructure Go to: www.freescale.com EXTERNAL P 68000 BUS ...
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... For remote access dial-in, the MC68EN302 could be used in a dial-up modem that would connect to an Ethernet LAN. • Low End Bridges MC68EN302 PRODUCT INFORMATION For More Information On This Product, BLOCKHIT0 ADDRESS MULTIPLEXING BLOCKHIT1 AS UDS RAS/CAS GENERATION LDS R/W Figure 4. DRAM Controller Go to: www.freescale.com DRAM ADDRESS AMUX RAS1, RAS0 CAS1, CAS0 DRAM_RW ...
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... Freescale Semiconductor, Inc. • Industrial Control • Remote LAN Access Points for Remote Dial-In • PCMCIA Ethernet + WAN Cards • Communication System Control Boards • Intelligent Peripheral Chip to an 020/030 MC68EN302 PRODUCT INFORMATION For More Information On This Product, Go to: www.freescale.com ...
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... TIN1 / PB3 TIN2 / PB5 TOUT2 / PB6 WDOG / PB7 PBIO (INTERRUPT) PB8 PB9 PB10 PB11 GND(16 (10) MC68EN302 PRODUCT INFORMATION For More Information On This Product, Go to: www.freescale.com CLOCKS EXTAL XTAL CLKO ADDRESS BUS A23–A1 DATA BUS D15–D0 BUS CONTROL AS R/W UDS ...
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... Table 2. Documentation Order Number MC68302UM/AD Detailed information for design M68000PM/AD M68000 Family Instruction Set BR729/D Independent vendor listing supporting soft- ware and development tools Describes the differences between the MC68302 and the MC68EN302 Go to: www.freescale.com Order Number MC68EN302PV20 MC68EN302PV25 Contents ...