
Chapter 4 Memory
MC9S08SG8 MCU Series Data Sheet, Rev. 8
Freescale Semiconductor
45
High-page registers, shown in
Table 4-3, are accessed much less often than other I/O and control registers
so they have been located outside the direct addressable memory space, starting at 0x1800.
Table 4-3. High-Page Register Summary (Sheet 1 of 2)
Address
Register Name
Bit 7
654321
Bit 0
0x1800
SRS
POR
PIN
COP
ILOP
ILAD
0LVD
0
0x1801
SBDFR
0
0BDFR
0x1802
SOPT1
COPT
STOPE
0
IICPS
0
0x1803
SOPT2
COPCLKS
COPW
0ACIC
0
T1CH1PS T1CH0PS
0x1804 –
0x1805
Reserved
—
0x1806
SDIDH
1
—
ID11
ID10
ID9
ID8
0x1807
SDIDL
ID7
ID6
ID5
ID4
ID3
ID2
ID1
ID0
0x1808
Reserved
—
0x1809
SPMSC1
LVWF
LVWACK
LVWIE
LVDRE
LVDSE
LVDE
0BGBE
0x180A
SPMSC2
0
LVDV
LVWV
PPDF
PPDACK
—
PPDC
0x180B–
0x180F
Reserved
—
0x1810
DBGCAH
Bit 15
14
13
12
11
10
9
Bit 8
0x1811
DBGCAL
Bit 7
654321
Bit 0
0x1812
DBGCBH
Bit 15
14
13
12
11
10
9
Bit 8
0x1813
DBGCBL
Bit 7
654321
Bit 0
0x1814
DBGFH
Bit 15
14
13
12
11
10
9
Bit 8
0x1815
DBGFL
Bit 7
654321
Bit 0
0x1816
DBGC
DBGEN
ARM
TAG
BRKEN
RWA
RWAEN
RWB
RWBEN
0x1817
DBGT
TRGSEL
BEGIN
0
TRG3
TRG2
TRG1
TRG0
0x1818
DBGS
AF
BF
ARMF
0
CNT3
CNT2
CNT1
CNT0
0x1819–
0x181F
Reserved
—
0x1820
FCDIV
DIVLD
PRDIV8
DIV
0x1821
FOPT
KEYEN
FNORED
0
SEC
0x1822
Reserved
—
0x1823
FCNFG
0
KEYACC
0
0x1824
FPROT
FPS
FPDIS
0x1825
FSTAT
FCBEF
FCCF
FPVIOL
FACCERR
0
FBLANK
0
0x1826
FCMD
FCMD
0x1827–
0x183F
Reserved
—
0x1840
PTAPE
0
—
0x1841
PTASE
0
—
0x1842
PTADS
0
—
0x1843
Reserved
—
0x1844
PTASC
0