User's Manual

Bluetooth Low Energy Module
Shanghai Ehong Technologies Co., Ltd
4. Electrical Characteristics
4.1. Recommended Operation Conditions
Table 1: Recommended Operation Conditions
Operating Condition Min Typical Max Unit
Operating Temperature Range -40 -- +85 °C
Battery (VDD_BAT) operation 1.9 -- +3.6 V
I/O Supply Voltage (VDD_PIO) 1.9 -- +3.6 V
AIO input 0 - +1.9 V
Frequency range 2402 2480 MHz
Table 2：Absolute Maximum Rating
4.2. Absolute Maximum Rating
4.3. Input/Output Terminal Characteristics
Table 3: Digital I/O Characteristics
Input Voltage Levels Min Typical Max Unit
V
IL
input logic level low
VSS -
0.3VDD V
V
IH
input logic level high 0.7 x VDD - VDD V
Output Voltage Levels Min Typical Max Unit
V
OL
output logic level low, l
OL
= 4.0mA VSS - 0.3VDD V
V
OH
output logic level high, l
OH
= -4.0mA VDD-0.3 - VDD V
Table 4: AIO Characteristics
Input Voltage Levels Min Typical Max Unit
AIO 0 - 3.3 V
Rating Min Max Unit
Storage Temperature -65 +150 °C
Battery (VBAT) operation* -0.3 3.9 V
I/O supply voltage -0.3
+VDD+0
.3
V