HD6412320 RENESAS [Renesas Technology Corp], HD6412320 Datasheet - Page 70

• Manufacturer Part Number: HD6412320
• Description: Renesas 16-Bit Single-Chip Microcomputer H8S Family H8S-2300 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

Section 2 CPU
2.4
2.4.1
The CPU has the internal registers shown in figure 2.4. There are two types of registers: general
registers and control registers.
Rev.6.00 Sep. 27, 2007 Page 40 of 1268
REJ09B0220-0600
General Registers (Rn) and Extended Registers (En)
Legend:
SP:
PC:
EXR:
T:
I2 to I0:
CCR:
I:
UI:
Note: * In the H8S/2329 Group and H8S/2328 Group, this bit cannot be used as an interrupt
ER0
ER1
ER2
ER3
ER4
ER5
ER6
ER7 (SP)
Control Registers (CR)
Register Configuration
Overview
mask.
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
E0
E1
E2
E3
E4
E5
E6
E7
23
Figure 2.4 CPU Registers
07
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
07
EXR
CCR
T — — — — I2 I1 I0
7 6 5 4 3 2 1 0
7 6 5 4 3 2 1 0
I UI H U N Z V C
R0L
R1L
R2L
R3L
R4L
R5L
R6L
R7L
0
0