Descriptions, for more detailed information on the different signals and pins. This new book provides a total solution for learning and teaching embedded system design based on the freescale hcs12 9s12 microcontroller. Prog12z latest freescale hcs12 x microcontroller codebus. Compare the memory map and programming model of an mc9s08qg8 microcontroller with an hcs12 microcontroller with respect to the number, sizes, and types of registers accumulators, index registers, etc.
Hcs12x family memory organization nxp semiconductors. The dragon12plus trainer kit comes with the following items. The s12x family offer two main methods to address more than 64kbytes. A freescale mc9s12dg128 for example have this memory map lowest 16 kb from reset. S12 and s12x 16bit microcontroller family element14. Background debug module for the motorola freescale hcs08 and hcs12.
To see a summary of the current state of the memory map, simply type. This means that the reset locations are used for sfrs, eeprom and ram. The scope of this function is either flash or eeprom, but only one nvm region can be checked per function call. Mapping memory resources on hcs12 microcontrollers, rev. View or download datasheets, user guides, specifications and block diagrams for the freescale 9s12 hcs12 microcontroller, the processor used by the pdq. Developers serial bootloader for m68hc08 and hcs08 mcus online from elcodis, view and download an2295 pdf datasheet, tools specifications. Download the memorymap for mac software package from here. To replace dbug12 monitor with serial monitor or vice versa, how to use the tinybdm to program flash memory on a target board. Download freescale 9s12 hcs12 68hcs12 mc9s12dp512 mc9s12a512. The pdq board is a single board computer sbc that dramatically cuts the cost of data acquisition and control. The hcs12 and 9s12c reference manuals, and the 9s12d user guide. This page demonstrates the usage of the banked memory model on an mc9s12dp256b processor. The s12x mcus feature the innovative xgate module, designed specifically to handle interrupt events without cpu intervention.
The following is a partial list of nxp and freescale semiconductor products, including products formerly manufactured by motorola until 2004. The project is to create a boot loader can flasher software for the motorola hcs 12 mcus. Features 16bit hcs12 core hcs12 cpu mmc memory map and interface int interrupt control bdm background. Mc9s12xs128 datasheetpdf freescale semiconductor, inc. Mc9s12xep100rmv1data sheet and reference manual for mc9s12xe100 covers mc9s12xep768, mc9s12xeq512, mc9s12xeq384, mc9s12xeg384, version 3 created by ankur tomar on may 29, 2011 4. The content of this book is spectacular, and i can honestly say i have learned a lot about how processors actually function through reading it. Freescale semiconductor mcf52100 reference manual pdf download. Memory map this application module is designed to support multiple hcs12 family microcontrollers specifically the hcs12c, hcs12dt, and hcs12xdt family of mcu s. Freescale announced the mc9s12xep100 in may 2006 to further extend the s12x family to 50mhz bus speed and add a memory protection unit based on segmentation and a hardware scheme to provide emulated eeprom.
It simulates external hardware, io ports, interrupts, memory, and program execution. In this project a platform for embedded target freescale hcs12 using matlabsimulink toolboxes have been developed. Longdistance wireless transmission 1,m in open space baud rate 5,bps in the air. It packs a freescale 9s12 microcontroller, 1 megabyte of memory, communications, dozens of analog and digital io lines, and dual expansion io buses onto a compact lowcost board. Texas is a complete editor, assembler, and simulator for the freescale 9s12 microcomputer. Readers will learn stepbystep how to program the hcs12 using both assembly and c languages, as well as how to use such development tools as codewarrior, imagecraft icc12, miniide, gnu c, and egnu ide. Examining the memory map of mc9s12dx256 under normal single chip we see the following. School of engineering science, simon fraser university. You can also locate the memory map of this microcontroller on the. To replace dbug12 monitor with serial monitor or vice versa. These setup files do not move any of the memory types.
Refer to the device user guide for the specific mcu installed for further details. An advanced hcs12 microcontroller development board and. Memory and device programmers can be found on my instruments page. Dragon12plus2 trainer tennessee technological university. Serial communication interface as uart on hcs12 mcus, rev. Using the hcs12 nvm standard software drivers with the. Using the hcs12 nvm standard software drivers with the cosmic compiler, rev. Figure 1 is an outline of the memory map of this project. By default, the hcs12 has its internal regi sters in the zeropage. I have a software application which runs on a freescale hcs12 mcu. Indeed, if you want to make the cpu see the entire eeprom, you need to move it, because it is overlapped by the register. Freescale s12 and s12x mcus provide highperformance 16bit control for automotive and industrial applications. Mcf52110 coldfire integrated microcontroller reference manual, rev. This new book provides a total solution for learning and teaching embedded system design based on the motorola hcs12 9s12 microcontroller.
Retesting of all devices see list below where complete memory images including paging were used. Thanks to uri kogan for providing the original mc9s12dp256b port. May 31, 2018 these techniques potentially make items in kernel memory available to user processes by taking advantage of a delay in the time it may take the cpu to check the validity of a memory access call. Page 0x3e is a fixed flash page of 16 kbyte visible in the memory map from 0x4000 to 0x7fff. Hcs08 usbbdm provides all you need for develop hcs08 or hcs12 freescale mcus. Io pin electrical specifications the freescale application note, an2434 inputoutput io pin drivers on hcs12 family mcus, provides detailed specifications for the processors io pins. Bdm supports singlestep, stepover, stepinto, breakpoint etc. Ppage for paged program data, rpage for paged ram, epage for paged eepromflash. Each student purchasing a book can download and install texas. Displays the mcu internal registers memory displays the active value at each memory address in the mcu internal memory map freescale semiconductor.
If this is correct, it is up to you and your application. A microprocessor may need to store a number that is larger than a single memory location in the hcs12, the size of memory location is 1 byte. It was generated by a word access to the external memory space configured in narrow mode. Installing the hcs12 serial monitor with additional. Analysis of these techniques revealed that while they are extremely difficult to exploit, even by an app running locally on a mac or ios device, they. Serial communication interface as uart on hcs12 mcus. Describe how to efficiently use the hcs12 addressing modes. This makes it a very good choice if you want to begin with freescale microcontrollers. The hcs12x family is the successor to the hcs12 family, with. Hcs12 instruction set reference arm cortex4 instruction set architecture chap. View and download freescale semiconductor hcs12 quick reference manual online. An 8mhz external crystal was used to achieve 4 mhz for the sci module clock. Map routine sets up a generous memory map for programming. These techniques potentially make items in kernel memory available to user processes by taking advantage of a delay in the time it may take the cpu to check the validity of a memory access call.
The hcs12 port supports only 24bit linear addresses. Guide shows you how to use the control registers for the hcs12 microcontroller and how to configure the devices memory map. The intent of this module is to explain how to effectively use the hcs12 cpu module in typical application programs. Readers will learn stepbystep how to program the hcs12 using both assembly and c languages, as well as how to use such development tools as asmide, miniide, gnu c, and egnu ide. Identify methods to efficiently access the hcs12 memory map. The cfamily includes rom versions mc3s12c1289 6643216 of all devices which provide a further cost reduction path for applications with high volume and stable code. Mcf52235 coldfire integrated microcontroller reference manual, rev. Hcs12 microcontrollers, mc9s12xs128 datasheet, mc9s12xs128 circuit, mc9s12xs128 data sheet. About speculative execution vulnerabilities in armbased and. The mc9s12dg256 is a replacement for the mc9s12dp256 since the latter has been discontinued by freescale. Mc9s12dg128cpv freescale semiconductor datasheet and cad. Mar 25, 2009 this new book provides a total solution for learning and teaching embedded system design based on the freescale hcs12 9s12 microcontroller. Hcs12 datasheet pdf the hcs12 v core is a bit processing core using the 68hc12 instruction set architecture isa.
Freescale announced the mc9s12xep100 in may 2006 to further extend the s12x family to 50 mhz bus speed and add a memory protection unit based on segmentation and a hardware scheme to provide emulated eeprom. Understanding the memory scheme in the s12x architecture. Thus, at address 0x00 and up you typically find these three types of memory covering each other. The only difference between dg256 and dp256 is the number of can ports. The module mapping control guide shows you how to use the control registers for the hcs12 microcontroller and how to configure the devices memory map. This section shows the default memory map for each mcu immediately out of reset. You will learn, step by step, how to program the hcs12 using both assembly and c languages, as well as how to use such development tools as asmide. Some usb to jtag adapters that work with the mac os x version of crossworks. This fast low power microcontroller measuring just 2. The maximum current you should ever sink with the pin is 25 ma.
Assembly and c programming for the freescale hcs12 microcontroller, second edition, provides a generalpurpose view of software and hardware engineering in microcontroller systems and a comprehensive technical reference for the freescale hcs12 microcontroller. Mc9s12xs128 datasheet pdf 5 page freescale semiconductor, inc. The tower system is a new development platform from freescale allowing the user to stack a cpu module and multiple peripheral modules on top of each other. An introduction to hardware and software interfacing gives a total solution for learning and teaching embedded system design based on the freescale hcs12 9s12 microcontroller. It is highly recommended to call this routine at the top of the first source code to be downloaded to the board. This cheap but powerful usbdm is provided with bdm, swd and usb cables. Nmap network mapper is a free and open source utility for network. They are much more configurable by the external xml and tcl files. Motorola freescale hcs12 rtos port banked memory model. The dragon12plus2 trainer kit comes with the following items. How to store 16, 32 or 64bit word to 8bit address space.
Sample programs in c language for freescale student project board with hcs12 mcu module and codewarrior open codewarrior and create a new project in c. Device overview s12xs familys12xs family reference manual, rev. The detailed specifications provide the timing information you may sometimes need when writing c language application programs. Prog12z latest freescale hcs12 x microcontroller program burning software no activation forget to have the ability to crack upload. It has room for one cpu module and 3 peripheral modules. The manual also shows the memory map of the mc9s12dx256 chip. Programming flash memory in freescale s08s12cordfire mcus family, flash memories, igor stievano, intechopen, doi. However, after reset, the ram is entirely visible by the cpu. Erika enterprise supports freescale hcs12 microcontrollers. Freescale, alldatasheet, datasheet, datasheet search site for electronic. Understanding the memory scheme in the s12x architecture application note. It is intended as a learning tool for embedded systems. This allows for some customisation of the memory map on hcs12 devices or custom startup operations. The freescale 9s12 hcs12 microcontroller has a native address space of 64 kbytes, but it can address up to 1 megabyte of.
The dragon12plususb board comes with the mc9s12dp256ccpv or the mc9s12dg256cvpe installed. Whether you use pc, mac, iphone, ipad or android phones and tablets. May 31, 2012 freescale announced the mc9s12xep100 in may 2006 to further extend the s12x family to 50mhz bus speed and add a memory protection unit based on segmentation and a hardware scheme to provide emulated eeprom. Freescale microcontrollers hcs12 lab systems a real time clock for hcs12 primary memory disposition serial communication with hcs12 ad conversion with hcs12 pwm generation with hcs12 embedded micro controller units 2 roger johansson freescale hcs12 hcs12 memory map and utilization cpu control core, clocks and timers. An2295 freescale semiconductor motorola, an2295 datasheet. Bytewide sram interface narrow mode eclk gated figure 2 is a logic analyzer trace showing the narrow mode access. Dp256fe or dp256fpg is for a hcs12 target with a memory map similar to the.
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