KIT33742DWEVB Freescale Semiconductor, KIT33742DWEVB Datasheet - Page 36
KIT33742DWEVB
Manufacturer Part Number
KIT33742DWEVB
Description
KIT FOR 33742 SBC WITH EHSCAN
Manufacturer
Freescale Semiconductor
Datasheet
1.MC33742EPR2.pdf
(70 pages)
Specifications of KIT33742DWEVB
Main Purpose
Interface, CAN Controller
Utilized Ic / Part
MC33742
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Secondary Attributes
-
Embedded
-
Primary Attributes
-
- Current page: 36 of 70
- Download datasheet (2Mb)
MCU FLASH PROGRAMMING CONFIGURATION
NVM or to standalone EEPROM or Flash, the 33742 is
capable of having (1) VSUP applied to it to from an external
power 5.0V supply and (2) having the RST and the WDOG
outputs pins eternally forced to 0.0V or 5.0V without
damaging the device.
board signals to be applied to the reset pins. No functions of
the 33742 are operating.
configuration for the connection of programming and
debugging tools.
36
33742
FUNCTIONAL DEVICE OPERATION
OPERATIONAL MODES
To allow for new software to be loaded into a SBC’s MCU
This allows the SBC to be externally powered and off-
VSUP (Open or > 5.0V
Note External supply and sources applied to VDD,
Figure 18
Figure 18. Simplified Schematic for Microcontroller Flash Programming
illustrates a typical
33742
5.0 V
VDD
RST
WDOG
RST
, and
to or above V.
between VSUP and the VDD output pin. Biasing the VDD
output pin with a voltage greater than VDD potential will force
current through the body diode of the internal pass transistor
to the VSUP pin.
time (device in Reset mode), before being pulled to VDD for
350ms typical (device in Normal Request mode). During the
time reset is LOW, the RST pin sinks 5.0mA maximum
(I
PDW
WDOG
The VSUP should be left open or forced to a value equal
The VDD regulator uses an internal pass transistor
The RST pin is periodically pulled LOW for the t
).
Programming Tool
test points on application circuit board.
Flash Memory
MCU with
Analog Integrated Circuit Device Data
Freescale Semiconductor
Programming Bus
RSTDUR
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