MSM80C154S/83C154S/85C154HVS36D0D1D2D3D4D5D6D7Q0Q1Q2Q3Q4Q5Q6Q7MSM74HC373LATCHP0.0P0.1P0.2P0.3P0.4P0.5P0.6P0.7ALEP2.0P2.1P2.2P2.3P2.4P2.5P2.6P2.7RDMSM80C154S/MSM83C154SA0A1A2A3A4A5A6A7A8A9A10A11A12A13A14A15CSR/W76543210ROM64kW×8BITI/OWRFigure 2-26 Connection circuit for external data memory addressed by DPTR