Freescale Semiconductor MPC5748G EVB, User Manual, Page: 12 / 88

MPC5748G EVB User Guide, User Guide, Rev. 0, 08/2015
12 Freescale Semiconductor, Inc.
Table 5. Power Supply Distribution
Regulator Used On
12V
(Unregulated)
P12V
All voltage regulators (switching and Linear, jumper selectable on 1.25V linear)
1.25V linear regulator LED supply via FET
MCU Daughtercard connector
MLB Daughtercard connector
FlexRay transceiver VBAT pin
5.0V
Switcher
5V0_SR
Daughtercard connector (post daughtercard power jumper)
Daughtercard connector (direct feed via zero ohm link)
Peripheral power control jumpers (position 2-3)
CAN transceivers VCC (main power)
USB RS232 (FTDI) transceiver (main power and protection diode)
USB Host / OTG transceiver power (VBAT) pin
FlexRay Transceiver power pins (VCC / VBUF)
SAI Audio connector
Input to 1.25V linear regulator (in alternate jumper configuration)
3.3V
Switcher
3V3_SR
Daughtercard connector (post daughtercard power jumper)
Daughtercard connector (direct feed via zero ohm link)
Peripheral power control jumpers (position 1-2)
Reset LED’s (user and target)
USB HOST / OTG transceiver I/O voltage (
USB operation is fixed at 3.3V )
3
Ethernet Transceiver supply and I/O ( Ethernet operation is fixed at 3.3V )
3
SAI Audio connector
MLB Daughtercard connector
SD Card power supply / pullup resistors (
SD Card operation is fixed at 3.3V )
3
User LED’s supply voltage
Hex encoder switch supply voltage
User pushbutton switches supply voltage
5.0V
Linear
5V0_LR
Daughtercard connector (post daughtercard power jumper)
Daughtercard connector (direct feed via zero ohm link)
3.3V
Linear
3V3_LR
Daughtercard connector (post daughtercard power jumper)
Daughtercard connector (direct feed via zero ohm link)
MLB Daughtercard connector
ADC Input Pot (user variable resistor)
1.25V
Linear
1V25_LR
Daughtercard connector (post daughtercard power jumper)
Daughtercard connector (direct feed via zero ohm link)
J24 PER_HVA
Reset control circuitry (including reset pullup)
JTAG Pullup resistors & reference voltage
CAN Transceiver I/O Voltage select
LIN Transceiver Enable (and I/O voltage select)
USB RS232 (FTDI) transceiver I/O voltage select
FlexRay Transceiver I/O Voltage select (and pullups)
J25 PER_HVB Nexus Connector reference voltage and Pullups
3
These voltages are fixed due to device specifications and cannot be changed.