MC68HC812A4 Datasheet, PDF (109/342 Pages) Motorola, Inc – 16-bit device composed of standard on-chip peripheral modules connected by an intermodule bus. Modules include

Bus Control and Input/Output (I/O)
Registers
RDPJ — Reduced Drive of Port J Bit
1 = Reduced drive for all port J output pins
0 = Full drive for all port J output pins
RDPH — Reduced Drive of Port H Bit
1 = Reduced drive for all port H output pins
0 = Full drive for all port H output pins
RDPG — Reduced Drive of Port G Bit
1 = Reduced drive for all port G output pins
0 = Full drive for all port G output pins
RDPF — Reduced Drive of Port F Bit
1 = Reduced drive for all port F output pins
0 = Full drive for all port F output pins
RDPE — Reduced Drive of Port E Bit
1 = Reduced drive for all port E output pins
0 = Full drive for all port E output pins
RDPD — Reduced Drive of Port D Bit
1 = Reduced drive for all port D output pins
0 = Full drive for all port D output pins
RDPC — Reduced Drive of Port C Bit
1 = Reduced drive for all port C output pins
0 = Full drive for all port C output pins
RDPAB — Reduced Drive of Port A and Port B Bit
1 = Reduced drive for all port A and port B output pins
0 = Full drive for all port A and port B output pins
Advance Information
MOTOROLA
Bus Control and Input/Output (I/O)
MC68HC812A4 — Rev. 3.0
109