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MCBx51 User's Guide

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Microcontroller Selection

The MCBx51 board operates with various microcontroller types. The following tables give an overview of the DIP switch settings for the various devices.

Note

  • The settings in the following tables are only relevant if you work with the Monitor EPROM (Monitor DIP switch ON). When the Monitor DIP switch is OFF, then you may select the Memory Mapping and microcontroller type with the MAP0 and MAP1 DIP switches.

251 Devices
51/151 DIP Switch is OFF

MCU Type
and Operating Mode		DIP Switch SettingConfig Bytes
Src/D2PageMap0Map1A17Cfg0Cfg1
251SB/TB, 251G1D/G2D
Page Mode, Source Mode		ONONOFFOFFON0F1h097h
251SB/TB, 251G1D/G2D
Page Mode, Binary Mode		OFFONOFFOFFON0F0h097h
251SB/TB, 251G1D/G2D
Non-page Mode, Source Mode		ONOFFOFFOFFON0F3h097h
251SB, 251G1 or 251A1
Non-page Mode, Binary Mode		OFFOFFOFFOFFON0F2h097h
This table lists the 251 MCU configuration byte values used by the Monitor.
For more information, refer to the 251 data sheets.

8051/151 Devices
51/151 DIP Switch is ON

MCU Type
and Operating Mode		DIP Switch Setting
Src/D2PageMap0Map1A17
Intel 151, Page ModeONONONONOFF
Intel 151, Non-page ModeOFFOFFONONOFF
Classic 8051 (80C32, 80C51FC, ect.)OFFOFFONONOFF
Dallas 320/420/520ONOFFONONOFF
Atmel 8xC51Rx2, NXP 8xC51Rx+/RxDOFFONONONOFF
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