Re: 56F807: Any Recommedations on The Vref Chips?

Started by kiha...@gmail.com in Freescale DSPs13 years ago

I'm using AD780. It's a cool little chip that does not require too many external components. BTW, where do you buy 56F807? It seems to be out...

I'm using AD780. It's a cool little chip that does not require too many external components. BTW, where do you buy 56F807? It seems to be out of stock everywhere!


56F807 opcodes

Started by Luis Togo in Freescale DSPs16 years ago

Hi! Does someone know where can i find the instruction?s opcodes for a motorola 56F807? Thanks Luis Togo ...

Hi! Does someone know where can i find the instruction?s opcodes for a motorola 56F807? Thanks Luis Togo


56F807 expected life cycle

Started by dbo_exendis in Freescale DSPs17 years ago 2 replies

Dear Members, For evaluation purposes i would like to have (independent !) information of the expected availability of the...

Dear Members, For evaluation purposes i would like to have (independent !) information of the expected availability of the 56F807 DSP in the future. We have plans to develop a controller system around this DSP. For us it is important to know: How long


56F807: Any Recommedations on The Vref Chips?

Started by hao yuan in Freescale DSPs17 years ago 1 reply

Hi , I read the datasheet of the 56F807. The reference voltage of the ADCs are needed. The datasheet said that it would be...

Hi , I read the datasheet of the 56F807. The reference voltage of the ADCs are needed. The datasheet said that it would be better to use the 3.0v reference. Anybody know the right chip to set up a 3.0v reference voltage which can drain over 12*2 = 24 mA current (for


Manufacturer of 128K SRAM for 56f807?

Started by sudamekedar in Freescale DSPs16 years ago 1 reply

Hi, I want to know the names of Manufacturer of 128k SRAM (44 pin 2MB 10 nS)for 56f807. The URL of GStechnology says that SRAM ...

Hi, I want to know the names of Manufacturer of 128k SRAM (44 pin 2MB 10 nS)for 56f807. The URL of GStechnology says that SRAM GS72116Tp - 10(TSOP) is not recommended for new design. Regards Kedar.


Problem with SPI in DSP 56F807.

Started by Iker Canales Goizueta in Freescale DSPs14 years ago 1 reply

Hi, everyone!. First of all I've gotta say that this is my first post in this interesting Motorola DSP Group, so I hope you will...

Hi, everyone!. First of all I've gotta say that this is my first post in this interesting Motorola DSP Group, so I hope you will understand and forgive me whether I'm asking a big nonsense. My problem is the following: I am trying to implement a SPI communication between a DSP 56F807 and a ColdFire MFC5272, configured as slave and master respe


56f807 + SDK + ucos

Started by max_mont in Freescale DSPs16 years ago

Hi, I'm developing an application on the 56f807 with SDK and ucos II. The application is running very well. But when it runs...

Hi, I'm developing an application on the 56f807 with SDK and ucos II. The application is running very well. But when it runs during a long time, all the interrupts are disabled, including the OS timer (D0), excluding the PWM reload interrupt. This problem appears,


using SDK in 56F807

Started by aaronedsinger in Freescale DSPs16 years ago 1 reply

Hi, I have a few newbie questions. I am using the SDK on the 56F807 evaluation module. If I create an Flash_Application from SDK ...

Hi, I have a few newbie questions. I am using the SDK on the 56F807 evaluation module. If I create an Flash_Application from SDK stationary, the default project works fine. However: - If I look at the code size, the dspfunc.lib, bsp.lib, and msl c 56800.lib are larger than the


A/d sdk driver for 56f807 question

Started by Roelof Oelofsen in Freescale DSPs17 years ago 1 reply

Hi group, I just started to explore the A/D SDK driver for the 56f807. My question is this: If I set the A/D up in loop...

Hi group, I just started to explore the A/D SDK driver for the 56f807. My question is this: If I set the A/D up in loop sequential mode, the conversion complete interrupt will be disabled. In the header file the auther states that I must use the ADC_STATE_READ ADC ioctl


Strange 56F807 SPI Control Register (SPSCR) Behavior

Started by Litinas, Terry in Freescale DSPs16 years ago

Hi All, I am working with the 56F807, CodeWarrior 5.1.1, and SDK 3.0 and have noticed that when writing to the COPCTL register...

Hi All, I am working with the 56F807, CodeWarrior 5.1.1, and SDK 3.0 and have noticed that when writing to the COPCTL register (address $1330), the data in the SPSCR (address $1320) changes. I am monitoring the registers in a memory window (Swap Endian option set) as I step th


stepper motor control with 56f807

Started by hancicimen in Freescale DSPs16 years ago

I am intrested in stepper motor control with 56F807. I want to generate pulses for stepper motor indexer. When I look at...

I am intrested in stepper motor control with 56F807. I want to generate pulses for stepper motor indexer. When I look at manuals, there are some timer options for it. What I need is: 1. Minimal CPU usage. 2. If I can adjust the duty cycle of pulses it would be ni


56F807's SPI can't access X5043

Started by hao yuan in Freescale DSPs17 years ago 2 replies

Hi EVeryone! X5043 is Xicor's uP Supervisor with 4k bit EEprom. the interface of X5043 is SPI. But if you want to write ...

Hi EVeryone! X5043 is Xicor's uP Supervisor with 4k bit EEprom. the interface of X5043 is SPI. But if you want to write one byte to an address of X5043. You need first input the instruction(8 bits) then the Address ( 8 bits) and then the Data ( x bits). the 56f807


Equates for 56F807

Started by Hernan Dario Herrera in Freescale DSPs15 years ago 2 replies

Hi. I need the 56F807 Equates file. if someone can send it to me, I?d appreciate it.   It's the file where you find the...

Hi. I need the 56F807 Equates file. if someone can send it to me, I?d appreciate it.   It's the file where you find the memory addresses for every register in the DSP.   thanks.


counting a LOT of quadrature inputs with 56F807

Started by kiha...@gmail.com in Freescale DSPs13 years ago 1 reply

Hi, I'm trying to build a board with 56F807, which can count 7 different quadrature inputs if I use quad timers and quad decoders. But I would...

Hi, I'm trying to build a board with 56F807, which can count 7 different quadrature inputs if I use quad timers and quad decoders. But I would like to have an option to count from more than 7 quadrature inputs. So I programmed a 4-state (00, 01, 11, 10) finite state-machine, which takes inputs from one of the GPIO pins, and polled at a set frequency. For example, if the previous input was 0


GUI Version 56800E Flash Programmer - looking for 56F807 configuration file

Started by toche74 in Freescale DSPs14 years ago

Hello, I have sucessfully tested GUI Vesion 56800E Flash Programmer.exe on a 56F8365 based board. I also need to program 56F807...

Hello, I have sucessfully tested GUI Vesion 56800E Flash Programmer.exe on a 56F8365 based board. I also need to program 56F807 and I can't find the configuration file. I have tried to modify a 56835x_flash.cfg to create a 56807_flash.cfg but I wasn't successfull. Regards


mscan from scratch

Started by the300x in Freescale DSPs13 years ago

Hi all, I am trying to connect the CAN bus of the 56F807 to other devices that has CANopen. I just need to get some basic status and send...

Hi all, I am trying to connect the CAN bus of the 56F807 to other devices that has CANopen. I just need to get some basic status and send some signals to reset these nodes. Does somebody has some example code to start with? Thanks a lot Marco Henry Panavision Inc.


About CAN's least Baudrate !

Started by Wang dawei in Freescale DSPs16 years ago 1 reply

Hi everybody; I am using the CAN bus. To be compatible with old communication products. I need the to run the CAN at 5-100k...

Hi everybody; I am using the CAN bus. To be compatible with old communication products. I need the to run the CAN at 5-100k baudrate. But with the IPBUS clock, the least baudrate is 40M/28*64>20k. Any comments appreciated! I am using 56F807 Many thanks;


56f807 clock

Started by Roelof Oelofsen in Freescale DSPs17 years ago

Good morning, Did any of you try to run the 56f80x off an 8,192MHz crystal? If so how high can one go before the DSP starts to...

Good morning, Did any of you try to run the 56f80x off an 8,192MHz crystal? If so how high can one go before the DSP starts to fall out of the bus. According to the manual, reliable IPBus frequencies of 50Mhz is obtainable. I am waiting for your input.


Where can I buy LQFP 56F807???

Started by kiha...@gmail.com in Freescale DSPs13 years ago

This chips seems to be out of stock everywhere. Mouser has the non-ROHS compliant version, but I'd prefer the ROHS compliant one, since it...

This chips seems to be out of stock everywhere. Mouser has the non-ROHS compliant version, but I'd prefer the ROHS compliant one, since it is spec'ed for higher heat tolerance, and I'll be using a reflow oven to solder the chip.


mscan example

Started by aaronedsinger in Freescale DSPs15 years ago

Hello. I am just getting started using the MSCAN on my 56F807 evaluation board. I haven't been able to find any sample code for ...

Hello. I am just getting started using the MSCAN on my 56F807 evaluation board. I haven't been able to find any sample code for this yet (mscan initialization, interrupt driven rx/tx for 56F8xx). If anyone could point me to some code or would send me an example, that would be really