upd17072 Renesas Electronics Corporation., upd17072 Datasheet - Page 20

• Manufacturer Part Number: upd17072
• Description: 4-bit Single-chip Microcontroller With Hardware For Digital Tuning System
• Manufacturer: Renesas Electronics Corporation.

2. PROGRAM MEMORY (ROM)
2.1 General
20
(1) Stores program
(2) Stores constant data
Figure 2-1 shows the configuration of the program memory.
As shown in this figure, the program memory consists of a program memory and a program counter.
The addresses of the program memory are specified by the program counter.
The program memory has the following two major functions:
Program counter
Figure 2-1. Outline of Program Memory
Specifies address
Program memory
Constant data
Instruction
•
•
•
•
•
•
•
•
•
•
•
•
PD17072,17073