ST EVAL-L9177A, User Manual, Page: 15 / 20

DocID030859 Rev 1 15/20
UM2263 Jumpers & connectors
18
J21 IGBT1 driver enable
Jumper:
ON: IGN1 connected
to IGBT
OFF: IGN1
disconnected to IGBT
J22 Reset connector
Jumper:
ON: L9177A reset
connected to uc Reset
input
OFF: L9177A reset
disconnected to uc
Reset input
J23 Water temperature sensor input
Screw connector:
1: pull-up output
2: GND
J24 Boost pressure and temperature sensor input
Screw connector:
1: VCC
2: pull-up output
(temperature sensor)
3: Pressure sensor
input
4: GND
J25 Narrow band Lambda sensor input
Screw connector:
1: Lamda sensor input
2: GND
J26 IGBT2 driver enable
Jumper:
ON: IGN2 connected
to IGBT
OFF: IGN2
disconnected to IGBT
Table 2. Motherboard jumpers and connectors (continued)
Name Description Type