HC12

Started by ramsin in comp.arch.embedded12 years ago 4 replies

Hi, Does anybody know where I can find necessary parts to start working on HC12? I'm looking for HC12 itself, its programmer and anything...

Hi, Does anybody know where I can find necessary parts to start working on HC12? I'm looking for HC12 itself, its programmer and anything which is necessary to implement a project using M68HC12. Thanks,


Mot HC12 Networking

Started by David Evennou in comp.arch.embedded13 years ago 1 reply

Anyone have Ethernet running on Mot HC12? Comments on both commercial and freeware and appreciated. Thanks, David Evennou

Anyone have Ethernet running on Mot HC12? Comments on both commercial and freeware and appreciated. Thanks, David Evennou


GNU HC12 and HITEX JprobeHCS12

Started by Marc in comp.arch.embedded14 years ago 1 reply

Hello there, I am using the GNU HC12 and a JprobeHC12 from Hitex. They are using, applying a Symbol preprocessor (elf/dwarf), to obtain a...

Hello there, I am using the GNU HC12 and a JprobeHC12 from Hitex. They are using, applying a Symbol preprocessor (elf/dwarf), to obtain a SYM and HTX file.... when I am using an applicaiton in banking mode, I have a problem with my debug. I suspect that the Sym processor can't convert correctly the object code generated by the GNU compiler... (which seems to be OK with my an old version o...


Software Real-Time Clock on HC12

Started by Christian Winter in comp.arch.embedded12 years ago 5 replies

Hi! I am trying to implement a software real-time clock on the HC12 using the timer module. I am pretty much unable to do it at this point...

Hi! I am trying to implement a software real-time clock on the HC12 using the timer module. I am pretty much unable to do it at this point and was hoping that someone could point me in the right direction -- perhaps even coded examples that could serve as a way to better understand it. I need to keep track of a 24 hour day, no need for any actual dates. I can code using either assembler or...


HC12 (+ Ethernet) development kit ?

Started by Anonymous in comp.arch.embedded11 years ago 11 replies

Hi all, I am planning to develop an embedded application with the Freescale (Motorola) MC9S12DP256 microcontroller. I aleready have a good 10...

Hi all, I am planning to develop an embedded application with the Freescale (Motorola) MC9S12DP256 microcontroller. I aleready have a good 10 year knowledge of HC11/HC12 C/assembly programming, and electronics design, what I need now is a good development kit, including compiler and Backgroud Debug Mode. Question # 1 So what kit should I buy to start with ? I saw IAR Embedded Workbenc...


HC12 : inDart-HCS12/D anyone ?

Started by Anonymous in comp.arch.embedded10 years ago 2 replies

Hi all, I'll develop an embedded system based on FreeScale HC12, mainly using MC9S12NE64 and MC9S12DP256. In short, MC9S12NE64 - based will...

Hi all, I'll develop an embedded system based on FreeScale HC12, mainly using MC9S12NE64 and MC9S12DP256. In short, MC9S12NE64 - based will be a card collecting analog sensor's data, an ADC, an Ethernet port, while the MC9S12DP256 - based will be a more versatile one to develop prototype for some other future projects. I am currently looking for a development kit : SofTec inDart-HCS12...


ALP for Real Time Clock using timer unit of HC12

Started by alex99 in comp.arch.embedded8 years ago 5 replies

HI, I am implementing an ALP program to implement a real time clock to display hour,minute,second using features available in a timer unit....

HI, I am implementing an ALP program to implement a real time clock to display hour,minute,second using features available in a timer unit. Digits have to displayed on one of the GPIO ports of HC12 micro-controller. I do know how to proceed on this in C language but am a newbie in micro-controllers and assembly programming - was hoping that someone could point me in the right direction -- p...


Can't get HC12 EVB and metrowerks to program Flash on target board via BDM

Started by egp001 in comp.arch.embedded13 years ago 2 replies

When I connect a target board to an HC12 EVB and use Metrowerks v2.0 freeware IDE, I can assemble, link, go to the debugger and download into...

When I connect a target board to an HC12 EVB and use Metrowerks v2.0 freeware IDE, I can assemble, link, go to the debugger and download into RAM. When I set my default.prm file for the linker to point to flash, the download fails with the message: Elf-Loader Error while writing to 8000..80B4 Looking at the communications between the debugger and the EVB board, I see that when I load RA...


HC12 Jtag

Started by Repzak in comp.arch.embedded12 years ago 8 replies

Hey Anyone have a design for a Jtag interface to a MC9s12NE64, it has to run 3v3 and 25Mhz.. it's not easy to use that much money as a...

Hey Anyone have a design for a Jtag interface to a MC9s12NE64, it has to run 3v3 and 25Mhz.. it's not easy to use that much money as a student :( Kasper


Advice on switching microntrollers

Started by Anonymous in comp.arch.embedded12 years ago 25 replies

Ok, flamewar time I guess. I am looking to explore new microcontrollers because the ones I have under my belt are coming up short for what I...

Ok, flamewar time I guess. I am looking to explore new microcontrollers because the ones I have under my belt are coming up short for what I need. I have a lot of experience with the 16 series of PICs from Microchip, I have played with basic Stamps (I, II, SX), some experience with Motorola's HC11, HC12 and HC16 series. Currently I use Atmel's AVR (Atmega128) at work. But in trying to b...


hc12,can i return from interrupt and jump elsewhere?

Started by blisca in comp.arch.embedded10 years ago 9 replies

Hello from Milan ,Italy, i'm programming a 9s12 uC in C language,with occasional assembly inserts; the question is: a function myfunc() is...

Hello from Milan ,Italy, i'm programming a 9s12 uC in C language,with occasional assembly inserts; the question is: a function myfunc() is runnin,and an external events calls an interrupt service routine,is it possible,once the interrupt did its job,to avoid to continue with my func() from the point where it was interruptd,and going back to main() instead?It is not important if i have t...


How To Drive and Read A 4-20mA Sensor

Started by eeboarder in comp.arch.embedded8 years ago 8 replies

Hello, I have limited experience with microcontrollers, all with freescale HC12 and HCS12 systems. I have dealt with 0-5V sensors through ADC...

Hello, I have limited experience with microcontrollers, all with freescale HC12 and HCS12 systems. I have dealt with 0-5V sensors through ADC before, too. I currently have a project where I might have to use a 4-20mA sensor. How would I go about electrically interfacing a 4-20mA sensor to a generic microcontroller? How would you power it and read it? Is there an IC available? Any suggest...


questions about motorola microcontrollers and MCUs in general

Started by panfilero in comp.arch.embedded10 years ago 26 replies

Hello, I had a few real basic question about microcontrollers. I've been learning the motorola HC12 at school, but whenever I pick up magazines...

Hello, I had a few real basic question about microcontrollers. I've been learning the motorola HC12 at school, but whenever I pick up magazines or any kind of hobby related embedded type of reading material, the microcontrollers I see most often mentioned are the PIC and the STAMP and now something by Parallax called the Propeller chip. Here's what I'm wondering: Are the HCS12 more powerf...


Help needed with SCI interrupts (HC12)

Started by Anonymous in comp.arch.embedded10 years ago 10 replies

Hello. I'm writing a program for an NE64 board, which reads a series of data over the SCI1 port, and then transmits them over the Ethernet...

Hello. I'm writing a program for an NE64 board, which reads a series of data over the SCI1 port, and then transmits them over the Ethernet port. Pretty much it's done and works, but due to the amount of data collected on every reading, I have to send out 10-15 packets every time. My problem is that, when the function for UDP transmission is executed, some of the data received on the serial ...


External Memory Capabilities of the HC12

Started by zach...@gmail.com in comp.arch.embedded11 years ago 1 reply

Hello, I am relatively new to the 68HC12 (about 5 months) and I'm using it in a project that I've been working on. I know that the 68HC12 has...

Hello, I am relatively new to the 68HC12 (about 5 months) and I'm using it in a project that I've been working on. I know that the 68HC12 has an external addressing scheme that will allow one to reach 1MBytes worth of data. My question is this: What types of external memories are available? I have found an I2C 1Mbit EEPROM and some SPI flash memories, but nothing near 1MBytes that I ...


hc12 sci PROBLEM

Started by Jessie in comp.arch.embedded10 years ago 11 replies

Hi all, I'm currently using a HC912 EVB board to transmit the data converted from ADC to SCI and then transmit to the PC, hoping PC will get...

Hi all, I'm currently using a HC912 EVB board to transmit the data converted from ADC to SCI and then transmit to the PC, hoping PC will get the data and display. But it seems nothing is received on PC, although the D-bug 12 is shown in Hyperterminal, while the program is executed, only thing I can see is User breakpoint encountered, and none of the data is received. I tried MS kermit al...


PDIUSBD12,non sense interrupt 0xC3?

Started by diegotrex in comp.arch.embedded10 years ago

Hello, i builded at a board based on a PDIUSB12 USB controller and a 9s12e64 uC (i choose the Hc12 uC is because i can debug it pretty...

Hello, i builded at a board based on a PDIUSB12 USB controller and a 9s12e64 uC (i choose the Hc12 uC is because i can debug it pretty easily with the BDM interface) I used as a trace the code from http://www.beyondlogic.org/usbnutshell/usb7.htm#Enumeration that was intended for PDIUSBD11. I think that my board is electrically ok:the D12 responds correctly to commands as Set_Clk_Out,Soft conn...


PDIUSB12,non sense Interrupt value

Started by blisca in comp.arch.embedded10 years ago

Hi,in my "self made educational board" using a PDIUSB12 and a 9s12e64(HC12 family) i found that sometimes the Irq from the D12 has a value of...

Hi,in my "self made educational board" using a PDIUSB12 and a 9s12e64(HC12 family) i found that sometimes the Irq from the D12 has a value of 0x0003 or 0x00C3. That lowest nibble having value 3 sounds like a nonsense because it means that bit 0(indicating CTRL_OUT_INTERRUPT) and bit 1(indicating CTRL_IN_INTERRUPT)are both set. The connections are good,in fact if i send commands to set oscill...


Automatic Pill Dispenser

Started by tlo57 in comp.arch.embedded9 years ago 9 replies

Hi, I am new the website but I've taken a microprocessor class before and used the HC12 board so I know the basics of embedded design. For my...

Hi, I am new the website but I've taken a microprocessor class before and used the HC12 board so I know the basics of embedded design. For my senior project we are suppose to design a pill dispenser that receives schedule information from a website and dispenses the specific pill accordingly to the time of the schedule. Now I guess my question would be what kind of micro-controller would I need...


68hc12 TOVF interrupt problems ICC12

Started by Marcipicus in comp.arch.embedded9 years ago 3 replies

I'm trying to get the timer overflow interrupt working on the hc12 dp256b but so far I haven't had any luck. The overflow interrupt is never...

I'm trying to get the timer overflow interrupt working on the hc12 dp256b but so far I haven't had any luck. The overflow interrupt is never generated in my program(used a breakpiont in isr) and I can't find the logic error in my code. Here is my work environment: CHIP: hc12dp256 COMPILER: ICC12 DEBUGGER: NOICE Here's the code that doesn't work ----------------------------------...