EM80
Description
Advanced engine management system with 8 coil drivers, gearshift control and high speed logging
Specifications
Parameter Value
Operating Voltage 4V - 35 Volts
Power consumption ≈ 250mA
Outputs
8 Ignition Coil Drivers 20A Peak - May be used as low side outputs
8 Injector Drivers Peak and Hold
4 PWM ½ bridges 6A - May be used as high side outputs
12 PWM Low side drivers 3A 5 soft PWMs
1 Low side driver 6A (Lambda Heater)
3 Sensor Supply 5V 100mA
Inputs
12 Analogue Inputs 0-5V 12bit, 3 can be used as logic level timing inputs
2 Differential Analogue 1 Knock
8 Timing Inputs 4 Logic level, 4 Software selectable logic or VR
Wideband Lambda Input LSU4.2 LS4.9 Software selectable
Internal
3-Axis G sensor and Yaw
Internal Barometric
Battery Volts
Comms
2 CAN Bus CAN 2.0B
PC Comms Ethernet
Internal Logging Memory 256MByte
Metrics
Anodised Aluminium Case Sealed against water and dust ingress
Size 158 x 131 x 35 mm (including connector)
Weight 380g
Warranty 1 Year
102987 EM80 Technical Specification Rev9.doc Page 1 of 5 25/02/2015
Doc No: 102987
Connector Details
ID Connector Loom Side Connector
1 Molex 64319-3211 (32 pin)
Molex 502225-0801
2 Molex 64320-1319 (48 pin)
Note: Wire caps are available for both halves: 64319-1201 (32pin), 64320-1301 (48pin)
Pin Out
Connector 1 (32pin)
Pin Name Software Name Notes
A1 Knock Input + A00
0-5V Differential Analogue Microphone Type
B1 Knock Input - A02
C1 Active Throttle Feedback 2 A09
47K Pull
D1 Active Throttle Feedback 1 A10
E1 MAF Input A12, T5 0-5V, 47K Pull, *48 gain sellector
F1 Coolant Temp Input A11 0-5V, 2K2 Pull-Up
G1 Bridge Driver A + P5 & P6 5A Continuous, 7A Peak
H1 Ignition Coil Driver 6 O6 20A Peak
A2 CAN 2 Low
120Ohm load
B2 CAN 2 High
C2 Active Throttle Feedback 3 A18
47K Pull
D2 Active Throttle Feedback 4 A19
E2 5V Sensor Supply 1 100mA
F2 Sensor Ground
G2 Bridge Driver A - P5 & P6 5A Continuous, 7A Peak
H2 Ignition Coil Driver 5 O5 20A Peak
A3 CAN 1 Low
120Ohm load
B3 CAN 1 High
C3 MAP Input A05 0-5V, 47K Pull, *48 gain sellector
D3 Lambda Input 1 A03, T8 47K Pull 1M Pull Down Narrowband
E3 Lambda Input 2 A04 47K Pull 1M Pull Down Narrowband
F3 Sensor Ground
G3 Ignition Coil Driver 4 O4 20A Peak
H3 Ignition Coil Driver 3 O3 20A Peak
A4 Ethernet Rx - Ethernet Green (Pin2) Twisted
B4 Ethernet Rx + Ethernet Green/White (Pin 1) Pair
C4 Ethernet Tx - Ethernet Orange (Pin6) Twisted
D4 Ethernet Tx + Ethernet Orange/White (Pin3) Pair
E4 Differential Analogue Input - A01
0-5V
F4 Differential Analogue Input + A01
G4 Secondary 12V Supply A13 Ignition Switch Input
H4 Power Return
Connector 2 (48pin)
Pin Name Software Name Function
A1 PWM Driver 7 O10 3A Peak
B1 PWM Driver 8 O11
C1 Fuel Injector Driver 1 O31
D1 Fuel Injector Driver 2 O30
E1 Fuel Injector Driver 3 O29
F1 Fuel Injector Driver 4 O28 3A Saturation Type, Software selectable
G1 Fuel Injector Driver 5 O27 Active Re-circulation
H1 Fuel Injector Driver 6 O26
J1 Fuel Injector Driver 7 O25
K1 Fuel Injector Driver 8 O24
102987 EM80 Technical Specification Rev9.doc Page 2 of 5 25/02/2015
Doc No: 102987
L1 Main 12V Supply A14
M1 Power Return
A2 5V Sensor Supply 3 A25
B2 Timing Input 12 T12, A20 Logic 4K7 Pull-Up
C2 Timing Input 11 T11, A23 Logic 4K7 Pull-Up
D2 Timing Input 10 T10 Logic 4K7 Pull-Up
E2 Timing Input 9 T9 Logic 4K7 Pull-Up
F2 Timing Ground
G2 Wideband Lambda 1 A21 Yellow
H2 Wideband Lambda 2 Red
J2 Wideband Lambda 3 Black
K2 Wideband Lambda 4 Violet
L2 Ignition Coil Driver 2a O2 20A Peak, Multiplex 2
M2 Ignition Coil Driver 2b O2 20A Peak, Multiplex 2
A3 5V Sensor Supply 3
B3 Air Inlet Temp Input A8 4K7 Pull-Up 0-5V
C3 Accelerator Pedal Input 1 T7 A7 47K Pull
D3 Accelerator Pedal Input 2 A6
E3 Timing Input 1 T1 A28 Logic 1K Pull-up or VR 10K Pull-Down
F3 Timing Input 2 T2 A30 Logic 1K Pull-up or VR 10K Pull-Down
G3 Timing Input 3 T3 A29 Logic 1K Pull-up or VR 10K Pull-Down
H3 Timing Input 4 T4 A31 Logic 1K Pull-up or VR 10K Pull-Down
J3 5V Sensor Supply 2
K3 WB Lambda Heater O32 3A Continuous, 7A Peak
L3 Bridge Driver B - O9 5A Continuous, 7A Peak
M3 Ignition Coil Driver 1a O1 20A Peak, Multiplex 1
A4 PWM Driver 3 O14
3A Peak
B4 PWM Driver 4 O15
C4 PWM Low Side Driver 8 O23
D4 PWM Low Side Driver 7 O22
E4 PWM Low Side Driver 6 O21
F4 PWM Low Side Driver 5 O20 3A Peak Software selectable Active Re-
G4 PWM Low Side Driver 4 O19 circulation diodes
H4 PWM Low Side Driver 3 O18
J4 PWM Low Side Driver 2 O17
K4 PWM Low Side Driver 1 O16
L4 Bridge Drive B + O8 5A Continuous, 7A Peak
M4 Ignition Coil Driver 2 O1 20A Peak, Multiplex 1
- Internal Barometric Sensor
- Internal ECU Temperature
3Axis G and Yaw
High current pins marked in bold
102987 EM80 Technical Specification Rev9.doc Page 3 of 5 25/02/2015
Doc No: 102987
Dimensions
102987 EM80 Technical Specification Rev9.doc Page 4 of 5 25/02/2015
Doc No: 102987
102987 EM80 Technical Specification Rev9.doc Page 5 of 5 25/02/2015
Doc No: 102987
