參數(shù)資料
型號(hào): 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): 28/32頁
文件大?。?/td> 219K
代理商: MPC555
Application Note
AN1778
28
MOTOROLA
Initialization Code for MPC555 on the MPC555 EVB
sstep.ini file (in the /../sds73/mpc555 directory)
# This "sstep.ini" file is provided for supporting the
# Motorola MPC555 on the MPC555 EVB
# for BDM5xx
# Set JTAG speed for top performance
set jtag_speed = 1
# _reset alias requirements:
# Initialize PC, Stack and LR
# Set MSR[RI] so that Hardware Breakpoints work
# Set MSR[FP] floating point available
alias _reset '@ PC = &START ; @ SP = &STKTOP ; @ LR = 0x0 ; \
@ MSR = ( $MSR | 0x02002 )'
# Set up the board configuration
alias _config "source ${cmdpath}..\mpc555\m555.dbg"
m555.dbg file (in the /../sds73/mpc555 directory)
# This file sets up a basic board initialization of
# Motorola/ETAS EVB555 evaluation board. It can
# also initialize the MPC555 MSIL MPC555FADS board
# with changes noted below.
# 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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