HD6433044 Hitachi Semiconductor, HD6433044 Datasheet - Page 34

• Manufacturer Part Number: HD6433044
• Description: (HD64 Series) Hitachi Single-Chip Microcomputer
• Manufacturer: Hitachi Semiconductor

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)
ER0
ER1
ER2
ER3
ER4
ER5
ER6
ER7
Control Registers (CR)
Legend
SP:
PC:
CCR:
I:
UI:
H:
U:
N:
Z:
V:
C:
15
Stack pointer
Program counter
Condition code register
Interrupt mask bit
User bit or interrupt mask bit
Half-carry flag
User bit
Negative flag
Zero flag
Overflow flag
Carry flag
PC
Figure 2-3 CPU Internal Registers
E0
E1
E2
E3
E4
E5
E6
E7
23
19
(SP)
0
7
R0H
R1H
R2H
R3H
R4H
R5H
R6H
R7H
CCR
0
7
7
I UI H U N Z V C
6 5 4 3 2 1 0
R0L
R1L
R2L
R3L
R4L
R5L
R6L
R7L
0
0