UT84520 Ver la hoja de datos (PDF) - Unisonic Technologies
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UT84520 Datasheet PDF : 13 Pages
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UTC UT84520
CMOS IC
b).Resend (FE)
a). Any time UT84520 receives an invalid command, it returns a Resend command to the system.
b). When UT84520 receives a Resend command, it retransmits its last packet of data. If the last packet was a
Resend command, it transmits the packet just prior to the Resend command.
c). In Stream mode, if a Resend command is received by UT84520 immediately following a 3-byte data packet
transmission to the system
c). Set Default (F6)
The command initializes all condition to the Power-on defaults
d). Disable (F5)
This command is used in the stream mode to stop transmissions from UT84520
e). Enable (F4 )
Begins transmissions. If in stream mode.
f). Set Sampling Rate (F3,XX )
In the stream mode, this command sets the sampling rate to the value indicated by byte hex XX,
Shown in following:
Second byte XX
Sample Rate
0A
10/sec
14
20/sec
28
40/sec
3C
60/sec
50
80/sec
64
100/sec
C8
200/sec
g). Read Device Type (F2)
UT84520 always echoes "FA, 00" following this command
h). Set Remote Mode (F0)
Data value are reported only in response to a Read Data command
i). Set Wrap Mode (EE)
Wrap mode remains until Reset (FF) or Reset Wrap Mode
(EC) is received
j).Reset Wrap Mode (EC)
UT84520 returns to the previous mode of operation after receiving this command
k). Read Data (EB )
This command is executed in either remote or stream mode. The data is transmitted even if there has been no
movement since the last report or the button status is unchanged. Following a Read Data command, the
registers are cleared after a data transmission.
l). Set Stream Mode (EA)
This commnd sets UT84520 in stream mode.
m). Status Request (E9)
When this command is issued by the system, UT84520 respond with a 3-byte status report as following:
UTC UNISONIC TECHNOLOGIES CO., LTD. 11
QW-R502-004,A
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