HD6433682 ETC, HD6433682 Datasheet - Page 45
HD6433682
Manufacturer Part Number
HD6433682
Description
Renesas 16-Bit Single-Chip Microcomputer H8 Family/H8/300H Tiny Series
Manufacturer
ETC
Datasheet
1.HD6433682.pdf
(504 pages)
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HD6433682A45HV
Manufacturer:
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HD6433682C74HV
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2.2
The H8/300H CPU has the internal registers shown in figure 2.2. There are two types of registers;
general registers and control registers. The control registers are a 24-bit program counter (PC), and
an 8-bit condition-code register (CCR).
General Registers (ERn)
Control Registers (CR)
Legend
Register Configuration
ER0
ER1
ER2
ER3
ER4
ER5
ER6
ER7
SP
PC
CCR
I
UI
15
:Stack pointer
:Program counter
:Condition-code register
:Interrupt mask bit
:User bit
PC
Figure 2.2 CPU Registers
E0
E1
E2
E3
E4
E5
E6
E7
23
(SP)
0 7
H
U
N
Z
V
C
R0H
R1H
R2H
R3H
R4H
R5H
R6H
R7H
:Half-carry flag
:User bit
:Negative flag
:Zero flag
:Overflow flag
:Carry flag
Rev. 3.00, 05/03, page 15 of 472
CCR
0 7
7 6 5 4 3 2 1 0
I UI H U N Z V C
R0L
R1L
R2L
R3L
R4L
R5L
R6L
R7L
0
0
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