OKI CMOS 8-Bit Single-Chip Microcontroller MSM80C31 MSM80C51 User's Manual (First Edition December 1985)
OKI CMOS 8-Bit Single-Chip Microcontroller MSM80C31 / MSM80C51 User's Manual First Edition December 1985 (PDF - 4.24Mb -182 pages)
MSM80C31 / MSM80C51 System Configuration
logic symbols
Pin Layout
External Dimensions
MSM80C31 internal BlockDiagram
MSM80C51 Internal Block Diagram
Timing and control
Instruction register (IR) and Instruction Decoder (PLA)
Arithmetic Operation Section
Program Counter
Program Memory and External Data Memory
MSM80C31 / MSM80C51 Control
MSM80C31 / MSM80C51 Internal Specifications
Input/ Output Ports
MSM80C31 / MSM80C51 Electrical Characteristics
Description of instructions
MSM80C51VS PIGGY Back