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RAM

The MCBx51 maps three memory devices into the address space of the microcontroller:

  • the EPROM (IC13)
  • the RAM (IC14)
  • the RAM (IC15)

The 20V8 PAL (IC12) provides the chip select signal for the external UART (IC5) and a user chip select signal.

MCBx51 Board with Memory Devices

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