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HD64F3664FP Datasheet(PDF) 45 Page - Renesas Technology Corp

Part # HD64F3664FP
Description  Renesas 16-Bit Single-Chip Microcomputer H8 Family/H8/300H Tiny Series
PDF  444 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

HD64F3664FP Datasheet(HTML) 45 Page - Renesas Technology Corp

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Section 2 CPU
Rev. 6.00 Mar. 24, 2006 Page 17 of 412
REJ09B0142-0600
2.2
Register Configuration
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).
PC
23
0
15
0 7
0 7
0
E0
E1
E2
E3
E4
E5
E6
E7
R0H
R1H
R2H
R3H
R4H
R5H
R6H
R7H
R0L
R1L
R2L
R3L
R4L
R5L
R6L
R7L
SP:
PC:
CCR:
I:
UI:
Stack pointer
Program counter
Condition-code register
Interrupt mask bit
User bit
Half-carry flag
User bit
Negative flag
Zero flag
Overflow flag
Carry flag
ER0
ER1
ER2
ER3
ER4
ER5
ER6
ER7 (SP)
IUI H U N ZV C
CCR
76543210
H:
U:
N:
Z:
V:
C:
General Registers
Control Registers (CR)
[Legend]
Figure 2.2 CPU Registers



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