Ehong EH-MB18, Manual

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Bluetooth Audio Module
Ehong Technology Co., Ltd
100ms, PCM
Slave eSCO Setting S3, sniff =
100ms, mono audio
codec
2EV3 8.2 mA
Slave eSCO Setting S3, sniff =
100ms, mono audio
codec
3EV3 7.9 mA
Table 3: Power consumptions
Note : Current consumption values are taken with:
■ Firmware ID = 7919
■ RF TX power set to 0dBm
■ No RF retransmissions in case of eSCO
■ Audio gateway transmits silence when SCO/eSCO channel is open
■ LEDs disconnected
■ AFH off
4.4. Input/output Terminal Characteristics
4.4.1. Digital Terminals
Digital Terminals Min Type Max Unit
Input Voltage
VIL input logic level low
-
0.4
- 0.4 V
VIH input logic level high
0.7 x VDD - VDD + 0.4 V
Tr/Tf - - 25 ns
Output Voltage
VOL output logic level low, lOL = 4.0mA
- - 0.4 V
VOH output logic level high, lOH = -4.0mA
0.75 X
VDD
- - V
Tr/Tf - - 5 ns
Input and Tristate Currents
Strong pull-up -150 -40 -10
μA
Strong pull-down 10 40 150
μA
Weak pull-up -5 -1.0 -0.33
μA
Weak pull-down 0.33 1.0 5.0
μA
CI Input Capacitance
1.0 - 5.0 pF