NNDK-MOD5272-KIT NetBurner Inc, NNDK-MOD5272-KIT Datasheet - Page 480
NNDK-MOD5272-KIT
Manufacturer Part Number
NNDK-MOD5272-KIT
Description
KIT DEVELOP NETWORK FOR MOD5272
Manufacturer
NetBurner Inc
Series
ColdFire®r
Datasheets
1.MOD5272-100IR.pdf
(2 pages)
2.MOD5272-100IR.pdf
(550 pages)
3.NNDK-MOD5282-KIT.pdf
(2 pages)
Specifications of NNDK-MOD5272-KIT
Main Purpose
*
Embedded
*
Utilized Ic / Part
MOD5272
Primary Attributes
*
Secondary Attributes
*
Processor To Be Evaluated
MOD5272
Interface Type
RS-232, RS-485, USB
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Contains lead / RoHS non-compliant
Other names
528-1001
- Current page: 480 of 550
- Download datasheet (6Mb)
Reset Operation
During the software watchdog timer reset period, all outputs are driven to their default
levels. Once RSTO negates, all bus signals continue to remain in this state until the
ColdFire core begins the first bus cycle for reset exception processing.
During a software watchdog timer reset, SCE[RSTSRC] is set to 0b10 to indicate the
software watchdog as the source of the previous reset.
20.12.4 Soft Reset Operation
If the soft reset bit, SCR[SOFTRST], is programmed to generate a reset, RSTO is asserted
for 128 clocks, resetting all external devices as with a normal or master reset. All internal
peripherals with the exception of the SIM, chip select, interrupt controller, GPIO module,
and SDRAM controller are reset also. The SDRAM controller is reset only when
DRESETEN is tied low.
SCR[SOFTRST] is automatically cleared at the end of the 128 clock period. Software can
monitor this bit to determine the end of the soft reset. Figure 20-24 shows the timing of
RSTO when asserted by SCR[SOFTRST].
20-26
Like the normal reset, the internal reset generated by a software
watchdog timeout does not reset the SDRAM controller unless
DRESETEN is low during the reset. When DRESETEN is
high, SDRAM refreshes continue to be generated during and
after the reset at the programmed rate and with the programmed
waveform timing.
The levels of the mode pins are not sampled during a software
watchdog reset. If the port size and acknowledge features of
CS0 are different from the values programmed in CSBR0 and
CSOR0 at the time of the software watchdog reset, you must
assert RSTI during software watchdog reset to cause the mode
pins to be resampled.
MCF5272 User’s Manual
NOTE:
NOTE:
MOTOROLA
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