NXP Semiconductors
S32K344
White Board
4 MCU pins assignments and board resources mapping
The hardware configurations and MCU PINs assignments are listed in below table.
Interface Reference/
Signals
Configuration Description
Power Input VBAT1/2/3 12V 12V power supply input for this board
VCC1_5V0
(VDD_HV_A)
5.0V Some MCU pins are in VDD_HV_A
domain
VCC1_3V3
(VDD_HV_B)
3.3V Some MCU pins are in VDD_HV_B
domain
VREFH_MCU 5.0V ADC reference voltage
VCC_1V5 1.5V MCU Core is supplied by 1.5V from
SBC
V11_MCU 1.1V MCU generated 1.1V
MCU Power
Supply
V25_MCU 2.5V MCU generated 2.5V
BUCK_5V0 5.0V 5V to supply some circuits on the
board
BUCK_3V3 3.3V 3.3V to supply ethernet related circuits
Other Power
Supplies
LDO_1V2 1.2V 1.2V LDO to supply ethernet switch
core
MCU MAC Enabled MCU MAC is connected to ethernet
switch SJA1105 MII_0 in RMII mode
TJA1101 Enabled SJA1105 MII_1
DP83848C Enabled SJA1105 MII_2
Ethernet
TJA1102 Enabled SJA1105 MII_3 and MII_4
PCS0 NCK2910 (RF Receiver)
PCS2 CD1030(MSDI)
PCS3 XS6500(High Side Driver)
PCS4 MC33879 (Low Side Driver)
LPSPI_0
PCS5 HB2001(H-Bridge Driver)
LPSPI_1 PCS0 FS26 (Safety SBC)
LPSPI_2 (3.3V) PCS0 SJA1105 (Ethernet Switch)
PCS0 SJA1124 (LIN Ctrl and Phy)
PCS1 TJA1145 (CAN Phy)
LPSPI_3
PCS3 TJA1145 (CAN Phy)
PCS0 IO HeaderLPSPI_4
PCS1 NJJ29C2 (LF Driver)
SPI
LPSPI_5 PCS0 IO Header
QSPI QSPI_A Enabled QSPI Flash 128Mb
Table 6. White Board resources mapping
UM11919 All information provided in this document is subject to legal disclaimers. © 2023 NXP B.V. All rights reserved.
User manual Rev. 1.0 — 11 April 2023
COMPANY PUBLIC 7 / 32