Evaluation Board Hardware Description
KIT33908MBEVBE Evaluation Board User’s Guide
, Rev. 1.0 3/2014
14
Freescale Semiconductor, Inc.
10.3
LED Display
The following LEDs are provided as visual output devices for the KIT33908MBEVBE evaluation board:
10.4
Test Point Definitions
The following test-point jumpers provide access to signals on the MC33908 IC:
Table 5. LED Display
Schematic Label
Name
Description
D102
Power
Power indicator
D103
V
PRE
Indicator of pre-regulator voltage
D104
V
AUX
Indicator of auxiliary power supply
D105
V
CCA
Indicator of ADC's power supply
D106
CAN_5V
Indicator of 5.0 V CAN voltage
D107
LED_IO_5
Indicator of IO_5 state
D108
LED_IO_4
Indicator of IO_4 state
D114
LED_FS0b
Indicator for Fail Safe output no. 0
D300
LED1
LED for MCU debug purposes
D301
LED2
LED for MCU debug purposes
D302
FTDI_Rx
UART/USB reception indicator
D303
FTDI_Tx
UART/USB transmission indicator
D304
LED3
LED for MCU debug purposes
D305
LED4
LED for MCU debug purposes
D306
RS232
UART/RS232 converter indicator
(1)
Notes
1.
Converter is active after POR state and if no frames are on-going, it is switched automatically
into Low-power mode. This is typically 30 s after a POR (LED will be switched ON).
Table 6. Test Point Definitions
Schematic Label
Name
Description
TP100
V
SUP
Supply voltage
TP101
V
SW
Switching voltage
TP102
V
PRE
Pre-regulator voltage
TP103
V
CORE
Core voltage for the MCU
TP104
CANH
TP105
LIN
LIN bus
TP106
CAN_5V
5 V CAN voltage
TP111
V
AUX
Auxiliary power supply
TP112
V
CCA
ADC power supply
TP113
CANL
TP115
FS0b
Fail Safe output no. 0
TP117
GND
Ground
TP118
GND
ground
TP119
GND
ground
