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Table A-3 Pairing Process with other Bluetooth device by Pairing Signal
ESD1
1. Reset
2. Drop pairing signal
4. Connected
*Caution : When you are designing a new hardware, you must maintain the pull up status by hardware
for pairing signals. If pairing signals are floating by hardware, unexpected errors may occur.
A.2. Connection Diagram
A.2.1. Parani-ESD100/110
A.2.1.1. When TTL level of MICOM is 3.3V
Status
Pairing Signal
Mode0
HIGH
Mode3
LOW
Slave
HIGH
MICRO-VDD
MICOM-DCD
MICOM-TXD
MICOM-RXD
MICOM-RTS
MICOM-CTS
MICOM-DTR
MICOM-DSR
MICOM-RST
MICOM-GND
Other Bluetooth Deivce
3. Inquiry and connect to
ESD1
4. Connected
VDD
DCD
RXD
TXD
CTS
RTS
DSR
DTR
RST
GND
37
Status
Master
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