HAL855 datasheet(8/102 Pages) MICRONAS

8 / 102 page

HAL8xy, HAL100x

APPLICATION NOTE

Programmer Board

Sept. 19, 2013; APN000046_03EN

Micronas

2. Functional Description

The Hall programmer board V 5.1 serves as a communication interface between a PC

and the programmable Hall sensor connected to the board.

With a specific programming software, command strings are sent to the board, which

generate the serial protocol pattern for the sensor. After sending the protocol, the board

reads back the answer of the Hall sensor or

in case of a communication error gener-

ates an error flag.

Depending on the command, the board can send the answer of the Hall sensor back to

the PC.

The Hall programmer board V 5.1 can be connected to a serial port of a PC (COM1,

COM2, COM3, or COM4) using a 1:1 cable with SUB-D-9 plugs.

2.1.

Software

For each of the programmable Hall sensor families, a specific PC software exists. This

software provides a graphical user interface based on Microsoft Visual Basic or Lab-

View.

For detailed information on the software, please refer to the software documentation

enclosed in the software installation CD.

2.2.

Firmware

The firmware of the board is stored in an on-board flash memory. The current version

number of the firmware can be read out by sending a “v” command followed by a “t”

command (see Table 4–2).

If the Micronas VB software is used, the firmware version number is read out by select-

ing the menu item:

Help

 About.

It is easily possible to do a firmware update (see Section 3.4.1).

2.3.

Power-On Self-Test

Firmware version 1.27 or higher provides a power-on self-test procedure:

– After setting the supply voltage or pushing the reset button, the board performs a

self-test and measures all voltage levels.

– In case of an error, the status flag is set and the error LED ignites.

– If this happens, disconnect all sensors and try again. If the error persists, please

contact your supplier.

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