
8
Chapter 1 Overview
1.5 Register Bank
R0 H L
b15 b8b7 b0
R3
A0
A1
FB
R1 H L
R2
R0 H L
b15 b8b7 b0
R3
A0
A1
FB
R1 H L
R2
Register bank 0 (B flag = 0) Register bank 1 (B flag = 1)
Figure 1.5.1 Configuration of register banks
1.5 Register Bank
The M16C has two register banks, each configured with data registers (R0, R1, R2, and R3), address
registers (A0 and A1), and frame base register (FB). These two register banks are switched over by the
register bank select flag (B flag) of the flag register (FLG).
Figure 1.5.1 shows a configuration of register banks.
Komentáře k této Příručce