HD6413003TF10 Datasheet, PDF (41/717 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

2.4 Register Configuration
2.4.1 Overview
The H8/300H CPU has the internal registers shown in figure 2-3. There are two types of registers:
general registers and control registers.
General Registers (ERn)
15
ER0
E0
ER1
E1
ER2
E2
ER3
E3
ER4
E4
ER5
E5
ER6
E6
ER7
E7
Control Registers (CR)
23
PC
Legend
SP: Stack pointer
PC: Program counter
CCR: Condition code register
I: Interrupt mask bit
UI: User bit or interrupt mask bit
H: Half-carry flag
U: User bit
N: Negative flag
Z: Zero flag
V: Overflow flag
C: Carry flag
07
07
0
R0H
R0L
R1H
R1L
R2H
R2L
R3H
R3L
R4H
R4L
R5H
R5L
R6H
R6L
(SP) _R7H
R7L
0
76543210
CCR I UI H U N Z V C
Figure 2-3 CPU Registers
21