HAL1002 datasheet(94/102 Pages) MICRONAS

94 / 102 page

HAL8xy, HAL100x

APPLICATION NOTE

Programmer Board

Sept. 19, 2013; APN000046_03EN

Micronas

DIGITAL-READOUT

– This register is read only.

– The register range is from 0

up to 4095.

OFFSET CORRECTION

– The register range is from 0 to 31

– The MSB is set to activate the offset correction.

CURRENTSOURCE

– The register range is from 0 to 1023 and contains the settings for LOW CURRENT,

HIGH CURRENT, and SLEW RATE:

SPECIAL CUSTOMER

– The register range is from 0 to 63 and contains the settings for OUTPUT BITTIME

and PARTNUMBER ENABLE:

7.3.6.

Programming Information

If the content of any register is to be changed, the desired value must first be written

into the corresponding RAM register. Before reading out the RAM register again, the

Permanently storing a value in the EEPROM is done by first sending an ERASE com-

mand followed by sending a PROM command and a read command. The address

within the ERASE and PROM commands is not important. ERASE and PROM act on

all registers in parallel.

If all HAL856 registers are to be changed, all writing commands can be sent one after

the other, followed by sending one ERASE and PROM command at the end.

During all communication sequences, the customer has to check if the communication

with the sensor was successful. This means that the acknowledge and the parity bits

sent by the sensor have to be checked by the customer. If the Micronas programmer

board is used, the customer has to check the error flags sent from the programmer

board. It is recommended to use the programmer board version 5.1.

Note: For production and qualification tests, it is mandatory to set the Lock bit after

final adjustment and programming of HAL856. The Lock function is active after

the next power-up of the sensor.

The success of the Lock process should be checked by reading at least one

sensor register after locking and/or by an analog check of the sensor’s output

signal.

Electrostatic Discharges (ESD) may disturb the programming pulses. Please

take precautions against ESD.

CURRENTSOURCE

SLEW RATE

256

LOW CURRENT

HIGH CURR ENT



SPECIAL CUSTOMER

PARTNUMBER ENABLE

OUTPUT



BITTIME

HAL1002 Datasheet(PDF) 94 Page - Micronas

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