HAL855 datasheet(64/102 Pages) MICRONAS

64 / 102 page

HAL8xy, HAL100x

APPLICATION NOTE

Programmer Board

Sept. 19, 2013; APN000046_03EN

Micronas

6.2.

The Board Commands BCMD

The board commands activate functions of the firmware. The characters following the

BCMD are the parameters of this function. Some functions serve to control the board

operation and do not address the Hall device.

The read, write, program, and lock functions communicate with the Hall device. The

parameters of these functions are converted into a serial telegram and sent to the con-

nected sensor.

Table 6–2:

Description of the board commands

BCMD

Parameters

Description



Switch VDD on



Switch VDD off

z[t]

t = 30...255 (as ASCII character)

default: t = 85 (HAL855)

Set bit time slow mode

bit time = t × 0.02 ms

default bit time = 1.7 ms (HAL855)

u[t]

t = 30...255 (as ASCII character)

HAL855: set t = 100

Set programming pulse width

width = t × 1.00 ms

HAL855: set pulse width = 100 ms.

y[t]

t = 10...255

HAL855: set t = 11

Delay Acknowledge

width = t × 64.0 µs

HAL855 set width = 0.7 ms

h[nt]

n = 1... 4 (as HEX)

t = 10...255 (as ASCII character)

recommended t = 25

Select sensor n, (default = 1)

select pulse width = t × 4.0 µs

recommended pulse width = 100 µs

e[p]

p = CMD CP ADR AP DAT3 DAT2 DAT1 DAT0 DP

Write HAL and echo data to PC

q[p]

p = CMD CP ADR AP

Read HAL and echo data to PC

c[p]

p = CMD1 CP1 ADR1 AP1 CMD2 CP2 ADR2 AP2

CMD3 CP3 ADR3 AP3

Program HAL and echo answer to PC

k[p]

p = CMD1 CP1 ADR1 AP1 CMD2 CP2 ADR2 AP2

Program LOCK bit and echo answer to PC

Read Biphase M sequence

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