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Getting to Know the Hardware
KT34FS6407-34FS6408UG User’s Guide Rev. 1.0 8/2015
8
Freescale Semiconductor, Inc.
4.5
Evaluation Board Configuration
shows a configuration example for the EVB, which enables:
• V
CORE
3.3 V
• Compensation network for MPC5643L
• V
CCA
and V
AUX
= 5.0 V
• V
CCA
with external PNP
• Debug mode
• V
PRE
in Buck mode
• V
DDIO
tied to V
CCA
• Various signalling LEDs enabled
• IO1 configured as IN/OUT
Ignition Key Switch
• Simulate ignition key. Connected to IO_0
LIN Bus
• LIN bus as a master (Not available on KIT34FS640xEVB)
CAN Bus
• CANH and CANL differential pair
I/Os of MC34FS6407_8
• All IOs, VDDIO and GND available
Second Resistor Bridge - V
DRIFT
Selection
• Bridge resistor for V
CORE
redundant check
Main Signals of MC34FS6407_8
• SPI, VDDIO, fail-safe pin, CAN, MUXOUT, INTB and RSTB available
V
CCA
and V
AUX
Selection
• V
CCA
and V
AUX
voltage selection
FS Output Circuitry
• FS0B configuration
SPI Dongle Connector
• Connector with SPI bus. Compliant to SPIGen Freescale board
DBG Mode Select
• Controls Debug or Normal mode entering at boot up
V
CORE
Selection
• V
CORE
voltage selection
Compensation Network
• Compensation network selection
LEDs for Power Supplies
• Switches for ON/OFF on LEDs
Power Supplies
• MC34FS6407 or MC34FS6408 output power supply (V
PRE
, V
CORE
, V
AUX
, V
CCA
)
Table 2. Board Description (continued)
Name
Description