HM-11 Bluetooth module low power use

Productomschrijving

Features

Bluetooth protocol: Bluetooth Specification V4.0 BLE
Working frequency: 2.4 GHz ISM band
Interface way: a serial port
Open environment within 30 meters can realize communication between modules
To send and receive no byte limit between modules
Modulation method: GFSK (Gaussian Frequency Shift Keying)
Transmission power: - DBM, 23-6 DBM, 0 DBM, 6 DBM, can be modified by the AT command
use TI CC2541 chip, configuration space of 256 KB, support the AT command, the user can according to need to change the role (master, slave mode) and the serial port baud rate, name of equipment, matching parameters such as passwords, use agile.
power supply: + 3.3 VDC 50 mA
working temperature: - 5 ~ + 65 Centigrade

Specification	Value
Microprocessor	CC2541
Resources	Support the AT command, the user can according to need to change the role (master, slave mode) and the serial port baud rate,name of equipment,Matching parameters such as password, the use of flexible.
Outline Dimension	13.5mm x 18.5mm x 2.3mm
Power supply	3.3V
Communication Protocol	Uart(3.3V LVTTL)
IO counts	2
Key input IO	1
LED Indicators IO	1
Connectivity	Socket compatible with XBee

Specification	Min	Typ	Max	Unit
Max Input Voltage	-0.3		3.6	V
Working Input Voltage	2.0	3.3	3.6	V
Transmit Current		15		mA
Receive Current		8.5		mA
Deep Sleep Current		600		uA
Operating Temperature	-40		+65	°C

Pin	Name	Description
1	UART_RTS	UART
2	UART_TX	UART
3	UART_CTS	UART
4	UART_RX	UART
5	NC
6	NC
7	NV
8	NV
9	VCC	Power supply 3.3V
10	NC
11	RESETB	Reset, active low at least in 5ms
12	GND	GND
13	PIO3	IO port, used for connect to DHT11/DS18B20
14	PIO2	Digital input, output
15	PIO1	LED indicator
16	PIO0	Button pin

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