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參數(shù)資料
| 型號： | MPC555 |
| 廠商： | Motorola, Inc. |
| 元件分類： | 32位微控制器 |
| 英文描述： | Highly Integrated, Low-Power, 32-Bit Microcontroller |
| 中文描述： | 高度集成，低功耗，32位微控制器 |
| 文件頁數(shù)： | 8/32頁 |
| 文件大?。?/td> | 219K |
| 代理商： | MPC555 |
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Application Note
AN1778
8
MOTOROLA
alias _reset '@ PC = &START ; @ SP = &STKTOP ; @ LR = 0x0 ; \
@ MSR = ( $MSR | 0x02002 )'
# Set up the board configuration
alias _config "source ${cmdpath}..\mpc555\m555.dbg"
The last section of this file instructs SDS SingleStep to use the file
m555.dbg
to set up the MPC555 EVB with the correct chip selects.
3.
Save the text file
sstep.ini
in the
mpc555
directory created
earlier.
4.
Next, use the following text to create the
m555.dbg
file and save
it in the
mpc555
directory also.
NOTE:
This initialization code sets up several options that will not be used in this
application note. They are listed here for completeness and for future
reference. This code is only applicable to the MPC555 EVB. A complete
list is given in
Initialization Code for MPC555 on the MPC555 EVB
.
Any line starting with # (the pound sign) is comment and does not have
to be included in the file.
# This file sets up a basic board initialization of
# MPC555 EVB (Motorola/ETAS) evaluation board.
# From Version 1.1 Randy Dees September 7, 1998
# References to the MPC555 User's Manual reference
# the September 2, 1998 version of the UM.
#
#***************
# turn off the software watchdog timer,
# bus monitor is on in BDM mode, so set time out
# this register is write once after power on reset
# (see table 6-13 of the MPC555 User Manual)
write -l 0x2fc004 = 0x0000ff00
SYPCR
**********************************
# enable the following line and disable the previous line
# to enable the software watchdog with a long time-out
# (see table 6-13 of the MPC555 User Manual)
# write -l 0x2fc004 = 0xFFFFFF03
#***************
# Set up the TI Flash chip select and options br0 & or0
# single read access, 32-bit access, 1M block, 5 wait states
# (see table 10-7 & 10-8 of the MPC555 User Manual)
# base address is 0x00800000
write -l 0x2fc104 = 0xfff00050
write -l 0x2fc100 = 0x00800003
BR0/OR0
*********************************
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