KEPID AMSTECH CO. LTD. EMU11A Manual Do Utilizador
4. Software Interfaces
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4.1.17 Software version
The software version means the major release number of the EMU software. The MSB
of this register contains the version number. The LSB of this register contains the
revision number.
4.1.18 Status word
The status of the EMU can be read from a read-only register.
Bit
Status Description
0
Set when synchronized to 50/60 Hz
1
Set if a checksum error has been detected at power-up
2, 3, 4, 5, 6, 7
Not used
8 Internal
use
only
9 Internal
use
only
10 Not
used
11 Internal
use
only
12 Internal
use
only
13, 14, 15
Not used
4.1.19 Command word
The EMU can execute commands after a write to a command word, which is mapped
to a R/W register. Setting a bit in the command word executes the command.
Bit
Command
0
This resets the device counters and the interval counters.
7
Places EMU in direct serial communication mode. It is used
during manufacturing. Do not place EMU in this mode.
Otherwise the EMU cannot communicate via the radio
module. In this mode, turn off and on the device to reset to
normal radio communication.
1, 2, 3, 4, 5, 6, 8, 9,
10, 11, 12, 13, 14, 15
Not used/ignored
The reset meter command resets the energy counters to zero in both RAM and non-
volatile RAM. This command does not affect the reporting intervals.