32
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
6 5 4 3 2 1 0
I UI 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
Summary of Contents for H8/3060
Page 10: ......
Page 16: ......
Page 114: ...66 ...
Page 132: ...84 ...
Page 144: ...96 ...
Page 170: ...122 ...
Page 212: ...164 ...
Page 268: ...220 ...
Page 332: ...284 ...
Page 396: ...348 ...
Page 494: ...446 ...
Page 698: ...650 ...
Page 748: ...700 H8 3064F ZTAT B mask version Ports 1 2 5 LED 600 Ω Figure 22 8 Sample LED Circuit ...
Page 777: ...729 H8 3062F ZTAT B mask version Ports 1 2 5 LED 600 Ω Figure 22 14 Sample LED Circuit ...
Page 810: ...762 ...
Page 994: ...946 ...