Specifications

Chapter 12 – SocketWireless Bluetooth (MTS2BTSMI)
Multi-Tech Systems, Inc. Universal Socket Hardware Guide for Developers (S000342F) 150
SocketWireless Bluetooth Configuration
Serial Configuration
The MT2BTSMI SocketWireless uses a 17-pin interface.
Note: The bolded, shaded pins are the active SocketWireless pins.
Top View – SocketWireless Bluetooth Pinout
For pin descriptions, see the Universal Pinout Descriptions in Chapter 1.
Electrical Characteristics
5V Serial SocketWireless
5VDC Characteristics (TA = -40° C to +70° C; VDD = 5V ± 0.25V) VDDMAX = 5.25V
Inputs Input High Input Low
–DTR (40), –TXD (35), –RTS (33) Min 2.0V Max 0.8V
–RESET (24) Min 2.0V Max 0.8V
Input Capacitance 15 pF
Outputs Output High Output Low Current Drive
–DCD (39), –CTS (38), –DSR (37)
–RI (36), –RXD (34)
Min 4V / 2.4V Max 0.5V / 0.5V (5V / 3.3V) 3.2mA,
7.0mA for TXD
3.3V Serial SocketWireless
3.3VDC Characteristics (TA = -40° C to 70° C; VDD = 3.3V ± 0.3V) VDDMAX = 3.6V
Inputs Input High Input Low
–DTR (40), –TXD (35), –RTS (33) Min 2.0V Max 0.8V
–RESET (24) Min 2.0V Max 0.8V
Input Capacitance 15 pF
Outputs Output High Output Low Current Drive
–DCD (39), –CTS (38), –DSR (37)
–RI (36), –RXD (34)
Min 2.4V Max 0.5V / 0.5V (5V / 3.3V) 3.2mA,
7.0mA for TXD