TASKING iSYSTEM NXP S32K344 User Manual page 10

By default, all jumpers are set to connect your target power supply to the microcontroller on the
Emulation Adapter. Note that only pins 1-2, 3-4 and 5-6 of the P2 connector must be bridged with
jumpers, but for the convenience and ease of use, all jumpers are set. Pin 26 is the Key pin
preventing incorrect connection of the IEA-PS Power converter when being used and plugged in.
If, for some reason, a power supply is not provided from the target side (e.g., a
operation), all jumpers must be removed and, depending on the application, 3V3 or 5V must be
applied to the following pins:
P2 pin 2 - VDD_HV_A
·
P2 pin 4 - VDD_HV_B
·
P2 pin 6 - VREFH
·
An enclosed Power supply package (Power converter and Power adapter) provides these voltages
by simply plugging in the Power converter to the P2 header row.
LED D1 indicates if the Emulation Adapter is powered.
Refer to the microcontroller documentation for more details on VDD_HV_A, VDD_HV_B and VREFH
signals.
J28: VREFH limiting circuit
The Emulation adapter holds a limiting circuit to prevent VREFH exceeding VDD_HV_A. By default,
the limiting circuit is enabled by J28 in position 2-3 (default). In case the user would like to bypass
the limiting circuit, the J28 jumper should be set to 1-2.
J30: 1V5 power
1V5 can be generated on the Emulation Adapter or provided from the target board. By default, 1V5
is generated on the Emulation Adapter by J30 in the position 2-3 (default). In case the user would
like to provide it from the target board, the J30 jumper should be set to 1-2.
J31: VDD_HV_B power
In case the target device does not provide VDD_HV_B, voltage to the mentioned rail should be
provided via VDD_HV_A. This can be achieved by enabling J31. By default, J31 is disabled. In
standalone mode, J31 should be disabled.
J4 and J5: GND connection points
In case a good ground connection is required, connection points bridge J4 and pin J5 provide easy
access to the Emulation Adapter's GND potential.
standalone