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H8SX1663 数据表(PDF) 82 Page - Renesas Technology Corp

部件名 H8SX1663
功能描述  Renesas 32-Bit CISC Microcomputer H8SX Family / H8SX/1600 Series
PDF  1158 Pages
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制造商  RENESAS [Renesas Technology Corp]
网页  http://www.renesas.com
标志 RENESAS - Renesas Technology Corp

H8SX1663 数据表(HTML) 82 Page - Renesas Technology Corp

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Section 2 CPU
Rev.1.00 Jun. 07, 2006 Page 30 of 1102
REJ09B0294-0100
2.5
Registers
The H8SX CPU has the internal registers shown in figure 2.9. There are two types of registers:
general registers and control registers. The control registers are the 32-bit program counter (PC),
8-bit extended control register (EXR), 8-bit condition-code register (CCR), 32-bit vector base
register (VBR), 32-bit short address base register (SBR), and 64-bit multiply-accumulate register
(MAC).
T ———— I2 I1 I0
EXR
76543210
31
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
General Registers and Extended Registers
Control Registers
[Legend]
Stack pointer
Program counter
Condition-code register
Interrupt mask bit
User bit or interrupt mask bit
Half-carry flag
SP:
PC:
CCR:
I:
UI:
H:
User bit
Negative flag
Zero flag
Overflow flag
Carry flag
Extended control register
U:
N:
Z:
V:
C:
EXR:
ER0
ER1
ER2
ER3
ER4
ER5
ER6
ER7 (SP)
I UI HUN Z V C
CCR
7654321 0
Sign extension
63
32
41
0
31
MAC
PC
(Reserved)
31
0
12
VBR
(Reserved)
31
0
8
SBR
MACL
Trace bit
Interrupt mask bits
Vector base register
Short address base register
Multiply-accumulate register
T:
I2 to I0:
VBR:
SBR:
MAC:
MACH
Figure 2.9 CPU Registers



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