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DS5001FP

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INSTRUCTION SET

The DS5001FP executes an instruction set that is object code-compatible with the industry standard 8051

microcontroller. As a result, software development packages such as assemblers and compilers that have

been written for the 8051 are compatible with the DS5001FP. A complete description of the instruction

set and operation are provided in the

Secure Microcontroller User’s Guide

. Also note that the DS5001FP

is embodied in the DS2251T module. The DS2251T combines the DS5001FP with between 32k and 128k

of SRAM, a lithium cell, and a real-time clock. This is packaged in a 72-pin SIMM module.

MEMORY ORGANIZATION

Figure 2 illustrates the memory map accessed by the DS5001FP. The entire 64k of program and 64k of

data are potentially available to the byte-wide bus. This preserves the I/O ports for application use. The

user controls the portion of memory that is actually mapped to the byte-wide bus by selecting the program

range and data range. Any area not mapped into the NV RAM is reached by the expanded bus on ports 0

and 2. An alternate configuration allows dynamic partitioning of a 64k space as shown in Figure 3.

Selecting PES=1 provides another 64k of potential data storage or memory-mapped peripheral space as

shown in Figure 4. These selections are made using special function registers. The memory map and its

controls are covered in detail in the

Secure Microcontroller User’s Guide

Figure 2. MEMORY MAP IN NONPARTITIONABLE MODE (PM = 1)

相關(guān)代理商/技術(shù)參數(shù)	參數(shù)描述
DS5001FP_05	制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:128k Soft Microprocessor Chip
DS5001FP08	制造商:未知廠家制造商全稱:未知廠家功能描述:Microcontroller
DS5001FP-12	功能描述:微處理器 - MPU RoHS:否制造商:Atmel 處理器系列:SAMA5D31 核心:ARM Cortex A5 數(shù)據(jù)總線寬度:32 bit 最大時(shí)鐘頻率:536 MHz 程序存儲(chǔ)器大小:32 KB 數(shù)據(jù) RAM 大小:128 KB 接口類型:CAN, Ethernet, LIN, SPI,TWI, UART, USB 工作電源電壓:1.8 V to 3.3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:FBGA-324
DS5001FP-12-44	制造商:Maxim Integrated Products 功能描述:MCU 8BIT CISC ROMLESS 5V 80MQFP - Rail/Tube
DS5001FP-12-44+	制造商:Maxim Integrated Products 功能描述:- Trays

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