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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)： | 5/32頁 |
| 文件大?。?/td> | 219K |
| 代理商： | MPC555 |
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Application Note
Set Up and Initialization of the Evaluation Board
AN1778
MOTOROLA
5
Oscilloscope
Interconnect jumper to connect two pins
NOTE:
This document assumes that the reader is using the SDS SingleStep
debug software tool. If another software tool is used, substitute
read
and
write
for the appropriate commands in the examples.
Set Up and Initialization of the Evaluation Board
Initial Switch
Positions
To set up the board for use in background debug mode (BDM), ensure
that all the switches and jumpers are in their correct positions before
turning on the board. Use the simplified 555 EVB circuit diagram in
Figure 1
to find the appropriate switch locations.
SW100:
1.
OFF = External (TI) FLASH program (12-V) voltage = 0 V
(FLASH programming is disabled.)
2.
ON = V
PP
12-V auto (software switchable)
OFF = MPC555 V
PP
= 5 volts disabled for programming
MPC555 internal FLASH
3.
4.
OFF = MPC555 can be programmed (programming protect)
5.
NC
6.
ON = External bus / EXTBUS = 0
7.
ON = Reset configuration enabled
8.
ON = BDM enabled, power-up in BDM
SW101:B = BDM VFLS [0:1]
SW102:A = BDM mode
SW200:0101 sets clock speed to 4 MHz in limp mode
SW302-5 reset configuration word
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