Switches
3-5
Operation
3.2.5
SW5: Emulation and Control Switch
SW5 provides the means to break several signals so that they can be con-
trolled by an emulator plugged into J14. This switch also provides a means
of setting the operating mode of the MSC1211.
Table 3–3. SW5: Configuration Control Switch
Switch
number
Function
1
Enables the /RD signal or breaks for emulator use.
2
Enables the /WR signal or breaks for emulator use.
3
Enables the Reset signal or breaks for emulator use.
4
Enables the PSEN signal or breaks for emulator use.
5
Provides a method to pull PSEN low.
6
Enables banks switching of 128K RAM memory
7
Provides a method to pull ALE low.
8
Connects EA to DGND
Содержание MSC1211
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Страница 30: ...Schematics 4 3 Physical Description Figure 4 2 Power and Analog Inputs Schematic ...
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