Stack Pointer (Sp; Program Counter (Pc - Panasonic MN101L Series User Manual

Chapter 2
CPU
2.1.4

Stack Pointer (SP)

This register shows the top address of the stack. The initial value of SP is "0x0100".
2.1.5

Program Counter (PC)

This register gives the address of the currently executed instruction, and the LSB shows the half-byte(4-bit) infor-
mation. The value of vector table at the address of "0x04000" is stored in PC just after the LSI reset.
II - 4 Overview
15
Stack Pointer
Figure:2.1.3 Stack Pointer
19
Program Counter
Figure:2.1.4 Program Counter
0
SP
0 H
PC