Infineon Technologies C166S V2 User Manual page 38

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Table 2-3 Addressing Modes to Access Word-GPRs
Name Physical
Address
1)
R0 (CP)+0
R1 (CP)+2
R2 (CP)+4
R3 (CP)+6
R4 (CP)+8
R5 (CP)+10 F5
R6 (CP)+12 F6
R7 (CP)+14 F7
R8 (CP)+16 F8
R9 (CP)+18 F9
R10 (CP)+20 FA
R11 (CP)+22 FB
R12 (CP)+24 FC
R13 (CP)+26 FD
R14 (CP)+28 FE
R15 (CP)+30 FF
1)
Addressing mode only usable if the GPR bank is memory mapped.
Note: The first 8 GPRs (R7...R0) may also be accessed bytewise.
Note: Writing to a GPR byte does not affect the other byte of the respective GPR.
User Manual
8-Bit 4-Bit
Address Address
F0 0h
H
F1 1h
H
F2 2h
H
F3 3h
H
F4 4h
H
5h
H
6h
H
7h
H
8h
H
9h
H
Ah
H
Bh
H
Ch
H
Dh
H
Eh
H
Fh
H
Description
General Purpose Word Register R0
General Purpose Word Register R1
General Purpose Word Register R2
General Purpose Word Register R3
General Purpose Word Register R4
General Purpose Word Register R5
General Purpose Word Register R6
General Purpose Word Register R7
General Purpose Word Register R8
General Purpose Word Register R9
General Purpose Word Register R10 UUUU
General Purpose Word Register R11 UUUU
General Purpose Word Register R12 UUUU
General Purpose Word Register R13 UUUU
General Purpose Word Register R14 UUUU
General Purpose Word Register R15 UUUU
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User Manual
C166S V2
Central Processing Unit
Reset
Value
UUUU
UUUU
UUUU
UUUU
UUUU
UUUU
UUUU
UUUU
UUUU
UUUU
V 1.7, 2001-01
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H