ST STM8 User Manual

DocID14024 Rev 4 35/39
UM0470 Debug module (DM)
38
4.12.12 Summary of SWIM, DM and core register maps
Table 5. STM8 MCU registers
STM8
address
Register
name
76543210
7F00h
A
Reset value
A7
0
A6
0
A5
0
A4
0
A3
0
A2
0
A1
0
A0
0
7F01h PCE
(1)
PC23 PC22 PC21 PC20 PC19 PC18 PC17 PC16
7F02h PCH
(1)
PC15 PC14 PC13 PC12 PC11 PC10 PC9 PC8
7F03h PCL
(1)
PC7 PC6 PC5 PC4 PC3 PC2 PC1 PC0
7F04h
XH
Reset value
X15
0
X14
0
X13
0
X12
0
X11
0
X10
0
X9
0
X8
0
7F05h
XL
Reset value
X7
0
X6
0
X5
0
X4
0
X3
0
X2
0
X1
0
X0
0
7F06h
YH
Reset value
Y15
0
Y14
0
Y13
0
Y12
0
Y11
0
Y10
0
Y9
0
Y8
0
7F07h
YL
Reset value
Y7
0
Y6
0
Y5
0
Y4
0
Y3
0
Y2
0
Y1
0
Y0
0
7F08h SPH
(1)
SP15 SP14 SP13 SP12 SP11 SP10 SP9 SP8
7F09h SPL
(1)
SP7 SP6 SP5 SP4 SP3 SP2 SP1 SP0
7F0Ah
CC
Reset value
V
0
-
0
I1
1
H
0
I0
1
N
0
Z
0
C
0
7F80h
SWIM_CSR
Reset value
SAFE_MASK
0
NO_ACCES
S
0
SWIM_D
M
0
HS
0
OSCOFF
0
RST
0
HSIT
0
PRI
0
7F90h
DM_BK1RE
Reset value
BK1R23
1
BK1R22
1
BK1R21
1
BK1R20
1
BK1R19
1
BK1R18
1
BK1R17
1
BK1R16
1
7F91h
DM_BK1RH
Reset value
BK1R15
1
BK1R14
1
BK1R13
1
BK1R12
1
BK1R11
1
BK1R10
1
BK1R9
1
BK1R8
1
7F92h
DM_BK1RL
Reset value
BK1R7
1
BK1R6
1
BK1R5
1
BK1R4
1
BK1R3
1
BK1R2
1
BK1R1
1
BK1R0
1
7F93h
DM_BK2RE
Reset value
BK2R23
1
BK2R22
1
BK2R21
1
BK2R20
1
BK2R19
1
BK2R18
1
BK2R17
1
BK2R16
1
7F94h
DM_BK2RH
Reset value
BK2R15
1
BK2R14
1
BK2R13
1
BK2R12
1
BK2R11
1
BK2R10
1
BK2R9
1
BK2R8
1
7F95h
DM_BK2RL
Reset value
BK2R7
1
BK2R6
1
BK2R5
1
BK2R4
1
BK2R3
1
BK2R2
1
BK2R1
1
BK2R0
1
7F96h
DM_CR1
Reset value
WDGOFF
0
Reserved
0
BC2
0
BC1
0
BC0
0
BIR
0
BIW
0
Reserve
d
0
7F97h
DM_CR2
Reset value
Reserved
FV_ROM
0
Reserved
0
FV_RAM
0
7F98h
DM_CSR1
Reset value
Reserved
0
STE
0
STF
0
RST
0
BRW
0
BK2F
0
BK1F
0
Reserve
d
0

ST STM8 Specifications

General

Brand	ST
Model	STM8
Category	Control Unit
Language	English