K. Walraven
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80C451 controller board

80C451 controller board
The 80C451 from Signetics is one ofthe many derivates of the 'generic' 8051 originally manufactured by Intel. The obsolescent SC80451CCN64 was first discussed in Ref. 1. The '451 has several ports more than the 8051. Here, a small controller board is presented based on the 68-pin PLCCverston of the 80C451, the SC80C451 CCA68 (12 MHz)or SC80C451CGA68 (16 MHz).
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