HD6473847RHV Datasheet, PDF (65/546 Pages) Renesas Technology Corp – Renesas 8-Bit Single-Chip Microcomputer H8 Family / H8/300L Super Low Power Series

Section 2 CPU
2.3 Register Configuration
Figure 2.2 shows the internal register configuration 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
Control register (CR)
15
0
PC
Legend:
SP: Stack pointer
PC: Program counter
CCR: Condition code register
I: Interrupt mask bit
U: User bit
H: Half-carry flag
N: Negative flag
Z: Zero flag
V: Overflow flag
C: Carry flag
CCR
76543210
I UHUNZVC
Figure 2.2 CPU Registers
Rev. 7.00 Mar. 08, 2010 Page 33 of 510
REJ09B0024-0700