h8s-2172 Renesas Electronics Corporation., h8s-2172 Datasheet - Page 53
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h8s-2172
Manufacturer Part Number
h8s-2172
Description
Renesas 16-bit Single-chip Microcomputer H8s Family H8s-2100 Series
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.H8S-2172.pdf
(570 pages)
- Current page: 53 of 570
- Download datasheet (5Mb)
2.4
The H8S/2000 CPU has the internal registers shown in figure 2.6. There are two types of registers:
general registers and control registers. Control registers are a 24-bit program counter (PC), an 8-bit
extended control register (EXR), and an 8-bit condition code register (CCR).
Note: For this LSI, the interrupt mask bit is not available.
General Registers (Rn) and Extended Registers (En)
Control Registers
[Legend]
SP:
PC:
EXR:
T:
I2 to I0:
CCR:
I:
UI:
Register Configuration
ER0
ER1
ER2
ER3
ER4
ER5
ER6
ER7 (SP)
Stack pointer
Program counter
Extended control register
Trace bit
Interrupt mask bits*
Condition-code register
Interrupt mask bit
User bit or interrupt mask bit
15
Figure 2.6 CPU Internal Registers
E0
E1
E2
E3
E4
E5
E6
E7
23
0 7
H:
U:
N:
Z:
V:
C:
Half-carry flag
User bit
Negative flag
Zero flag
Overflow flag
Carry flag
R0H
R1H
R2H
R3H
R4H
R5H
R6H
R7H
PC
Rev. 2.00, 03/04, page 21 of 534
EXR
CCR
0 7
7 6 5 4 3 2 1 0
T
7 6 5 4 3 2 1 0
I UI H U N Z V C
- - - -
R0L
R1L
R2L
R3L
R4L
R5L
R6L
R7L
I2 I1 I0
0
0
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