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P87C591 Description

3 ORDERING INFORMATION 4 BLOCK DIAGRAM 5 FUNCTIONAL DIAGRAM 6 PINNING INFORMATION 6.1 Pinning diagram 6.2 Pin description 7 MEMORY ORGANIZATION 7.1 Program Memory 7.2 Addressing 7.3 Expanded Data RAM addressing 7.4 Dual DPTR 8 I/O FACILITIES 9 OSCILLATOR.