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H83066 Datasheet(PDF) 49 Page - Renesas Technology Corp

Part # H83066
Description  Renesas 16-Bit Single-Chip Microcomputer H8 Family/H8/300H Series
PDF  963 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

H83066 Datasheet(HTML) 49 Page - Renesas Technology Corp

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Section 2 CPU
Rev. 4.00 Jan 26, 2006 page 27 of 938
REJ09B0276-0400
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.
ER0
ER1
ER2
ER3
ER4
ER5
ER6
ER7
E0
E1
E2
E3
E4
E5
E6
E7
R0H
R1H
R2H
R3H
R4H
R5H
R6H
R7H
R0L
R1L
R2L
R3L
R4L
R5L
R6L
R7L
0
7
0
7
0
15
(SP)
23
0
PC
7
CCR
65 43 21 0
IUI H U N Z V C
General Registers (ERn)
Control Registers (CR)
Legend
SP:
PC:
CCR:
I:
UI:
H:
U:
N:
Z:
V:
C:
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
Figure 2.3 CPU Registers



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