SD6830 Datasheet, PDF (6/34 Pages) AUK corp – 4BIT MICROCONTROLLER

6. Basic Function Block
SD6830
6.1 Program Counter (PC)
Program counter is used to indicate the address of the next instruction to be executed.
The 10-bit program counter consists of two registers, PC_H(4-bit) and PC_L(6-bit).
This is a polynomial counter.
6.2 Program Memory (ROM)
Program memory is used to store user-specified program. This consists of a 1024 x 8-bit.
It is organized in 16 pages and each page is 64 bytes long. For page-in addressing, all
instructions excluding JMPL and CALL can be executed by page. In order to execute jump
or call in page, JMP or CAL is suitable. For page-to-page addressing, JMPL or CALL must be
used.
Figure 6-1. Program Memory Map
KSI-W002-000
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