Cortex Microcontroller - VEX Robotics

VEX Cortex Microcontroller

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VEX Cortex Microcontroller

P/N: 276-2194

If you could make yourself smarter, wouldn't you?

The VEX Cortex Microcontroller coordinates the flow of information and power on the robot. All other electronic system components must interface to the Microcontroller.

STMicroelectronics ARM Cortex-M3 user processor
Wireless with built-in VEXnet technology
(8) Standard 3-wire Motor ports
(2) 2-wire Motor ports
(1) I2C "smart sensor" port
(2) UART Serial Ports
(8) Hi-res (12-bit) Analog Inputs
(12) Fast digital I/O ports which can be used as interrupts
Programmable with easyC v4 for Cortex or ROBOTC for Cortex & PIC

$249.99

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Overview

The VEX Cortex Microcontroller coordinates the flow of all information and power on the robot. It has built in bi-directional communication for wireless driving, debugging and downloading using the state of the art VEXnet 802.11 wireless link. The Microcontroller is the brain of every VEX robot.

Built-in VEXnet Technology: Wireless driving, wireless debugging, and wireless downloading

Motor Ports: (8) standard 3-wire Motor or Servo ports. (2) 2-wire Motor ports.

I2C Smart Sensor Port: Will connect to multiple new smart sensors in the future.

UART Fast Serial Ports: Connects to the VEX LCD Display (19,200 baud) and will have future support to 1.125 Mbaud

Digital/Analog Input Ports: (8) high-res Analog Inputs, (12) fast Digital I/Os that can be used as interrupts.

Rx1 and Rx2 Ports: Also support for two 75MHz crystal transmitters and receivers

Battery Ports: Connect 7.2V power sources, such as the Battery Holder or the VEX 7.2V Robot Battery. Also connect a 9V Backup Battery to protect against communication losses.

Technical Specifications

Kit Contents	(1) VEX Cortex Microcontroller
Downloads & Docs	Documentation VEX Cortex Microcontroller/VEXnet Joystick User Guide VEX Robot Troubleshooting Flow Charts Cortex Microcontroller Pinout Guide CAD File (STEP)
Battery In	Voltage:7.2 volts nominal, 5 to 12 volts min/max. Type:Six AA batteries or 7.2V Robot Battery Current:150mA for Controller & Receiver plus Motors, Servos & VEXnet
I/O Ports	(8) 3-wire Motor Outputs Usage:For 3-wire VEX motors, Motor Controller 29s or servos Type:Hobby standard PWM Refresh:Every 18.5 mSec (2) 2-wire Motor Outputs Usage: For 2-wire VEX motors Type:H-Bridge Refresh:Every 1 mSec (1) I2C "Smart Sensor" Port Usage:Future I2C Products (2) UART Serial Ports Usage:VEX LCD Module (8) 12-bit Analog Inputs Analog In:12-bit resolution. 10 μSec access time. (12) Fast Digital I/O (can be used as interrupts) Digital In:150 kHz input frequency. (1) DAC Speaker Output Usage:Output sound, voice, music to an external speaker (2) Rx1 & Rx2 Usage:Connects to (2) 75MHz receivers.
Microcontroller	STMicroelectronics ARM Cortex-M3 Speed:90 MIPS (Million Instructions Per Second) RAM:64KB Flash:384KB program space
Programming	easyC V4 for Cortex ROBOTC for Cortex & PIC
Size	4.5in W x 3.9in L x 1in H
Weight	.302 lbs (137 grams) Actual weight one item (no packaging)