ETAS
Technical Data
XETK-S31.0
-
User
Guide
39
7.10
Pin Assignment
7.10.1
ECU Interface Connector CON2
7.10.2
VDDSTBY_SENSE Connector CON3
7.10.3
Power Supply Connector CON4
Pin
Signal
Direction Comment
1
TCK
Output
JTAG Signal
7
TDI
Output
JTAG Signal
6
TMS
Output
JTAG Signal
4
TDO
Input
JTAG Signal
3
/TRST
Output
JTAG Signal
9
/ESR0
Bidir
ECU Reset signal (open drain) for Reset
assertion and supervision
10
/PORST
Bidir
ECU Power On Reset signal (open drain)
for Reset assertion and supervision
5
/WDGDIS
Output
Watchdog disable Signal
8
VDDP (Sense)
Input
Sense for Switched power supply of
ECU (ignition)
2
GND
Power
Signal Ground
Pin
Signal
Direction Comment
1
VDDSTBY_
-
SENSE
Input
ECU EDRAM Sense Pin
Pin
Signal
Direction Comment
1
VDDPSTBY (3.3
V supply)
Output
Permanent power supply of ECU JTAG
Interface, 3.3 V
2
VDDSTBY (1.25
V/ 1.30 V supply)
Output
Permanent power supply of ECU
EDRAM, 1.25 V
3
GND
Input
Power GND
4
CalWakeup
Output
Switch to Ubatt. ECU wake-up signal
(for measurement preparation)
5
Ubatt2
Input
Vehicle battery
6
Ubatt1
Input
Vehicle Battery
