Hitachi H8/500 Series - Register Configuration; Registers in the CPU

3.1.3 Register Configuration
Figure 3-2 shows the register structure of the CPU. There are two groups of registers: the general
registers (Rn) and control registers (CR).
R 0
R 1
R 2
R 3
R 4
R 5
R 6
R 7
(FP)
(SP)
P C
S R
C C R
15 0
15 8 7 0
T I2 I1 I0 NZVC
C P
D P
E P
T P
B R
FP: Frame Pointer
SP: Stack Pointer
PC: Program Counter
SR: Status Register
CCR: Condition Code Register
CP: Code Page register
DP: Data Page register
EP: Extended Page register
TP: sTack Page register
BR: Base Register
General registers (Rn)
Control registers (CR)
15 0
Figure 3-2 Registers in the CPU
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