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Free ST7 programmer

sjo
Associate II
Posted on May 11, 2007 at 15:48

Free ST7 programmer

42 REPLIES 42
Posted on January 07, 2004 at 06:04

How con I implement a branch table in inline assembly with Metrowerks C compiler? Following code doesn't work :

asm{

...

LD X,Nerx

SLL X ; X <- Nerx * 2

LD A,(TB_GRAF_RX+1,X)

PUSH A ; MSB of return @

LD A,(TB_GRAF_RX,X)

PUSH A ; LSB of return @

RET

; Branch to subroutine (TB_GRAF_RX + 2*Nerx)

TB_GRAF_RX:

DC graf_rx_0, graf_rx_1, graf_rx_2 ,graf_rx_3

DC graf_rx_4, graf_rx_5, graf_rx_6 ,graf_rx_7

graf_rx_0:

...

graf_rx_1:

...

and so on...

VD

sjo
Associate II
Posted on January 07, 2004 at 07:13

Quote:

On 2004-01-07 06:56, mcuinterest wrote:

dear sjo,

I have problem about ICP: as you know there is no need of isolation

about ICCDATA and ICCCLK pin if these two pin is configured as output(decribed in the data sheet). But if I solder a blank chip on the board and begin to program with ICP and there are two LED connected with these two pin(include two 680ohm series resister. But I found I can not program the chip with ICP mode by using ST7-STICK. what is the problem? can I use FLASHBASH to program?

best regards,

mcuinterest

The problem you are seeing is due to the open-drain communication method used for ICP.

Flashbash should suffer the same fate as it uses the standard ICP protocol - but I have not tested it.

Regards

sjo
huaer2000
Associate II
Posted on January 12, 2004 at 05:33

dear sjo,

I am making a prototype of FLASHBASH, but it is difficult for me to find

the two parts ZVP3306 and ZVN3306 or the direct replacement of the

two MOSFET. coudl you do me a favor to provide the requirements of the two MOSFET(Votage, Current, Rdson etc). I want to find the nearest part to use. Thanks your support.

Best Regards,

Mcuinterest
sjo
Associate II
Posted on January 12, 2004 at 05:51

Really any kind of small mosfet is ok (parts are Zetex if you require data.

ZVP3306 - also use BSS110

ZVN3306 - also use BS108

Regards

sjo
huaer2000
Associate II
Posted on January 15, 2004 at 07:34

dear sjo,

can I use FLASHBASH to program the board with 3V power supply?

I know St7 Stick can do this?

Best Regards,

Mcuinterest
sjo
Associate II
Posted on January 15, 2004 at 08:25

Flashbash has been tested down to 3.2v.

Regards

sjo
sjo
Associate II
Posted on January 20, 2004 at 05:40

Added Device Identifier support for ICC mode devices.

ST7FLITES2/S5 bootrom modified, incorrect option byte address used.

ST7265x programming possible with hardware watchdog enabled.

Regards

sjo
tlf
Associate
Posted on February 03, 2004 at 08:16

Hi,

But how one can build a FlashBash programmer without having pre-programmed uC? How can I obtain one?

With regards
malfrok
Associate
Posted on February 12, 2004 at 13:08

Hello every body!

I have realized 4 FLASHBASH programers.

I can't have M25P10 memory, because ST doesn't manufacture them any more. I have M25P10-A. It doesn't work good!! I have a lot of problem to access the memory in PC mode or keyfob mode!!

Is there anybody to help me?

Thanks a lot,

Malfrok.
sjo
Associate II
Posted on February 12, 2004 at 13:33

Could you explain your problem in a bit more detail, either M25P10 or M25P10A work with no problems in Flashbash.

Regards

sjo