HD6412240 RENESAS [Renesas Technology Corp], HD6412240 Datasheet - Page 70

• Manufacturer Part Number: HD6412240
• Description: Renesas 16-Bit Single-Chip Microcomputer H8S Family / H8S/2200 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

Section 2 CPU
2.4
2.4.1
The CPU has the internal registers shown in figure 2.7. There are two types of registers: general
registers and control registers.
Rev.3.00 Mar. 26, 2007 Page 28 of 772
REJ09B0355-0300
General Registers (Rn) and Extended Registers (En)
Legend:
SP:
PC:
EXR:
T:
I2 to I0:
CCR:
I:
UI:
Note: * This register does not affect operations in the H8S/2245 Group.
ER0
ER1
ER2
ER3
ER4
ER5
ER6
ER7 (SP)
Control Registers (CR)
Register Configuration
Overview
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 2.7 CPU Registers
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
0 7
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