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MDEV-868-PRC Datasheet(PDF) 44 Page - Linx Technologies

Part # MDEV-868-PRC
Description  868MHz HumPRC??Series Remote Control Transceiver Castellation Interface, External Antenna Connection
PDF  55 Pages
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Manufacturer  LINX [Linx Technologies]
Direct Link  https://linxtechnologies.com/wp/
Logo LINX - Linx Technologies

MDEV-868-PRC Datasheet(HTML) 44 Page - Linx Technologies

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Figure 86 shows a typical circuit using the HumPRCTM Series transceiver
with an external microcontroller.
In this example, C0 is low and C1 is high, so S0–S3 are outputs and S4–S7
are inputs. The inputs are connected to buttons that pull the lines high.
Internal pull-down resistors keep the lines from floating when the buttons
are open. The outputs are connected to external application circuitry.
LATCH_EN is low, so the outputs are momentary.
ACK_OUT and MODE_IND are connected to LEDs to provide visual
indication to the user.
PB is connected to a button and pull-down resistor to initiate the Join
Process when the button is pressed.
In this circuit, the Command Data Interface is connected to a
microcontroller for using some of the advanced features.
The microcontroller controls the state of the ACK_EN line. It can receive
a command, perform an action and then take the line high to send
Acknowledgement packets. This lets the user on the other end know that
the action took place and not just that the command was received.
Figure 86: HumPRCTM Series Transceiver Basic Application Circuit with a Microcontroller
µ
RXD
TXD
GND
VCC
GND
GND
GND
GND
GND
GND
GND
GND
GNDVCC
GND
VCC
GPIO
GND
17
GND
18
S6
2
S7
1
MODE_IND
30
ACK_OUT
31
GND
32
S5
3
S4
4
ANT
19
GND
20
GND
16
GND
15
GND
14
GND
GND
GND
VCC
VCC
VCC
VCC
GPIO
GPIO
GND
VCC
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
VCC
S4
S5
S6
S7
VCC
VCC
VCC
VCC
VCC
GND
VCC VCC
GND
VCC
GND
VCC
GND
17
GND
18
S6
2
S7
1
MODE_IND
30
ACK_OUT
31
GND
32
S5
3
S4
4
ANT
19
GND
20
GND
16
GND
15
GND
14
GND
VCC
GND
GND
GND
GND
GND
GND
GND
GND
GND
GNDVCC
VCC
VCC
VCC
VCC
GND
VCC
GND
VCC
GND
VCC
VCC
GND
17
GND
18
S6
2
S7
1
MODE_IND
30
ACK_OUT
31
GND
32
S5
3
S4
4
ANT
19
GND
20
GND
16
GND
15
GND
14
VCC
Figure 85: HumPRCTM Series Transceiver Basic Application Circuits for Bi-directional Remote Control
A
B



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