HD6473837H Datasheet, PDF (31/562 Pages) Renesas Technology Corp – Hardware Manual

2.1.2 Address Space
The H8/300L CPU supports an address space of up to 64 kbytes for storing program code and
data.
See 2.8, Memory Map, for details of the memory map.
2.1.3 Register Configuration
Figure 2.1 shows the register structure of the H8/300L CPU. There are two groups of registers: the
general registers and control registers.
General registers (Rn)
7
07
0
R0H
R0L
R1H
R1L
R2H
R2L
R3H
R3L
R4H
R4L
R5H
R5L
R6H
R6L
R7H (SP) R7L
SP: Stack Pointer
Control registers (CR)
15
0
PC
76543210
CCR I U H U N Z V C
PC: Program Counter
CCR: Condition Code Register
Carry flag
Overflow flag
Zero flag
Negative flag
Half-carry flag
Interrupt mask bit
User bit
User bit
Figure 2.1 CPU Registers
14