Multi-Tech Systems 92U10E06831 ユーザーズマニュアル
PART 4 – Embedded Device Servers
Chapter 12 – SocketWireless Bluetooth (MTS2BTSMI)
Multi-Tech Systems, Inc. Universal Socket Hardware Guide for Developers (S000342M)
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DC Electrical Characteristics
5V Serial SocketWireless
5VDC Characteristics (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), –RI (36),
–RXD (34)
–RXD (34)
Min 4V / 2.4V Max 0.5V / 0.5V (5V / 3.3V)
3.2mA,
7.0mA for TXD
7.0mA for TXD
3.3V Serial SocketWireless
3.3VDC Characteristics (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), –RI (36),
–RXD (34)
–RXD (34)
Min 2.4V
Max 0.5V / 0.5V (5V / 3.3V)
3.2mA,
7.0mA for TXD
7.0mA for TXD
Power Measurements
Power* Measurement at 3.3 Voltage
Idle
Master
Unconnected
Master
Connected
Fast
Data
Master
Inquiry
(Maximum)
Deep
Sleep
Mode
Mode
Slave
Unconnected
Slave
Connected
Current (AMPS)
1.5mA 1.5mA
6mA 21mA
68mA 70µA 45mA
21mA
Power* Measurement at 5.00 Voltage
Idle
Master
Connected
Fast
Data
Master
Inquiry
(Maximum)
Current (AMPS)
1.6mA 7mA 38mA 74mA
Note:
These power measurements were taken with no LEDs connected.
Driving an LED through 330 ohm resistor to GND draws an additional 4mA on 5V for each LED.
* Multi-Tech Systems, Inc. recommends that the customer incorporate a 10% buffer into their power source when
determining product load.
Preliminary
Confidential