MegaSquirt MS3 User Manual

MS3(base)/V3.0 Hardware Guide
Megasquirt-3 Product Range
MS3 1.4.x
Dated: 2016-11-13
Hardware manual covering specific wiring and configuration of your Megaquirt MS3/V30 ECU.
This version of the documentation applies to:
• MS3 on a V3.0 mainboard without MS3X as shown above running firmware MS3 1.4.x
See the Setting Up manual for more detail on version numbers.
Does not apply to other Megasquirt products or other firmware versions.
(c) 2014-6 James Murray

MegaSquirt MS3 Specifications

General

Clock Speed	40 MHz
Real Time Clock	Yes
Knock Control Channels	2
Lambda/Wideband Input	Yes
EEPROM	4 KB
Fuel Control	Sequential, semi-sequential, batch
Ignition Control	Distributor, wasted spark, coil-on-plug
Communication	CAN, USB, RS232
Tuning Software	TunerStudio MS
Number of Injector Outputs	8
Number of Ignition Outputs	8
Number of Digital Inputs	16
Number of Analog Inputs	8
Data Logging	Internal SD card
Operating Temperature	-40°C to 85°C