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Application note
Controlling air core meters with the 87C751 and SA5775
AN426
INTRODUCTION
Often, certain classes of microcontroller applications surface where large amounts of on-chip resources such as a large program memory space and numerous I/O pins are not required. These applications are typically cost sensitive and desirable attributes of the MCU include low cost and modest on-chip resources such as program and data memory, I/O, and timer-counters. Substantial benefits of reduced design cycle time can be realized by using an industry-standard architecture having software compatibility with existing popular microcontrollers.
AN426 Datasheet
