CC-MX-LB6B-ZM Overview
I would say that MCU chip belongs to the ConnectCore® Series.There is a Module package available for microprocessor.There is a 5.5V volt supply that powers this microcontrollers, which is used as its operating voltage.
CC-MX-LB6B-ZM Features

CC-MX-LB6B-ZM Applications
There are a lot of Digi
CC-MX-LB6B-ZM Microcontroller, Microprocessor, FPGA Modules applications.

Process Control
Process Monitoring
Healthcare Monitoring
Patient Monitoring
IoT Secure Gateways
Human Machine Interface
Human Machine Control Panel
Home and Building Automation
Thermostat
Industrial Gateways

Package / Case	Module
Series	ConnectCore®
Published	2010
Part Status	Obsolete
Moisture Sensitivity Level (MSL)	1 (Unlimited)
Operating Supply Voltage	5.5V
Interface	I2C
Data Rate	25 Mbps
RoHS Status	RoHS Compliant
Lead Free	Lead Free