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H838024 Datasheet(PDF) 68 Page - Renesas Technology Corp

Part # H838024
Description  Renesas 8-Bit Single-Chip Microcomputer Super Low Power Series
PDF  697 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

H838024 Datasheet(HTML) 68 Page - Renesas Technology Corp

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Section 2 CPU
Rev. 7.00 Mar 10, 2005 page 26 of 652
REJ09B0042-0700
2.1.2
Address Space
The H8/300L CPU supports an address space of up to 64 Kbytes for storing program code and
data.
See section 2.8, Memory Map, for details of the memory map.
2.1.3
Register Configuration
Figure 2.1 shows the register structure of the H8/300L CPU. There are two groups of registers: the
general registers and control registers.
70 70
15
0
76543210
IU
H
U
N
Z
V
C
PC
R0H
R1H
R2H
R3H
R4H
R5H
R6H
R7H
R0L
R1L
R2L
R3L
R4L
R5L
R6L
R7L
(SP)
[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
General registers (Rn)
Control registers (CR)
Figure 2.1 CPU Registers



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