SL900A datasheet(44/103 Pages) AMSCO

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[v1-12] 2018-Oct-29

SL900A − Custom Command Description

Initialize

The INITIALIZE command clears the System status field, the

Limit counters and sets the Delay time field and the Application

data field. The Initialize command is needed before the START

LOG command as it will clear the pointers and counters. If the

application needs to run the logging process from the previous

point on, the Initialize command ca be left out.

Command Structure:

Successful Reply Structure:

The “Delay Time” Field is Composed as:

The “Application Data” Field is Composed as:

SOF

Custom

Command Code Delay Time

Application Time

Handle

CRC

Frame-sync

0xE0

0xAC

16 bits

bits

SOF

Header

Handle

CRC

EOF

Pilot tone + preamble

1 bit [0]

16 bits

Dummy bit [1]

Bit Number

15 … 4

3 … 2

Function

Delay time [11:0]

RFU [1:0]

Delay mode [0 – timer,

1 – external switch]

IRQ+timer enable

Bit Number

15 … 7

6 … 3

2 … 0

Function

Number of words for application data [8:0]

RFU [3:0]

Broken word pointer [2:0]

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