User's Manual

LM-400
Page Number : 2 of 6
0121 270 6232 | www.lm-technologies.com | sales@lm-technologies.com
Device Overall Description
The BTM400 is designed to provide Bluetooth2.0 + EDR function on a small form factor. The Bluetooth function
is based on CSR BlueCore4-Ext Bluetooth System, which implements the full speed class 1 Bluetooth operations
with full 7 slave piconet support. The interface of BTM400 to host system is UART.
Bluetooth
Features
-CSR BlueCore4
-Bluetooth 2.0 + EDR support
-Full Speed Class 1 Bluetooth operation with full 7 slave piconet support
-Single onboard Antenna connector support (Optional)
-Chip antenna on board
Bluetooth Block Diagram
Modulation Methods
FHSS ( Frequency Hopping Spread Spectrum ) defined in Bluetooth Specification.
Data Rate Modulation scheme
Basic Data Rate
1 Mbps GFSK
2Mbps π/4 – DQPSK
Enhanced Data Rate
3Mbps 8DPSK
Chip Antenna
Or
RF I-PEX
Connector
BC04
Class1
Module
UART
H/W Flow
Control
Host
Pin
header
VDD