MC9RS08KA2_08 Datasheet, PDF (28/136 Pages) Freescale Semiconductor, Inc – RS08 Microcontrollers

Chapter 4 Memory
Frequently used registers can make use of the short addressing mode instructions for faster load, store, and
clear operations. For short addressing mode instructions, the operand is encoded along with the opcode to
a single byte.
Table 4-1. Register Summary
Address Register Name
$0000–
$000D
$000E
$000F
$0010
$0011
$0012
$0013
$0014
$0015
$0016
$0017
$0018
$0019
$001A
$001B
$001C
$001D
$001E
$001F
$0020–
$004F
$0050–
$00BF
$00C0–
$00FF
$0100–
$01FF
$0200
$0201
$0202
$0203
$0204
$0205
$0206
$0207
$0208
$0209
$020A
$020B
D[X]¹
X
PTAD
PTADD
Unimplemented
ACMPSC
ICSC1
ICSC2
ICSTRM
ICSSC
MTIMSC
MTIMCLK
MTIMCNT
MTIMMOD
KBISC
KBIPE
KBIES
PAGESEL
Unimplemented
Unimplemented
SRS
SOPT
SIP1
Unimplemented
Reserved
Unimplemented
SDIDH
SDIDL
SRTISC
SPMSC1
Reserved
Reserved
Bit 7
6
Bit 7
6
Bit 7
6
0
0
0
0
—
—
ACME
ACBGS
0
CLKS
BDIV
0
TOF
0
0
TOIE
0
0
—
—
AD13
0
—
—
AD12
—
—
—
POR
COPE
—
—
—
—
REV3
RTIF
LVDF
—
—
—
PIN
COPT
—
—
—
—
REV2
RTIACK
LVDACK
—
—
5
4
3
Fast Access RAM
5
4
3
5
4
3
PTAD5
PTAD4
PTAD3
PTADD5 PTADD4
0
—
—
—
ACF
ACIE
ACO
0
0
0
0
0
LP
TRIM
0
0
0
TRST
TSTP
0
CLKS
COUNT
MOD
0
0
KBF
KBIPE5 KBIPE4
—
KBEDG5 KBEDG4
—
AD11
AD10
AD9
RAM
—
—
—
Paging Window
—
COP
STOPE
—
—
—
—
REV1
RTICLKS
LVDIE
—
—
—
—
ILOP
ILAD
0
0
KBI
ACMP
—
—
—
—
—
—
REV0
ID
RTIE
0
LVDRE
LVDSE
—
—
—
—
2
1
Bit 0
2
2
PTAD2
0
—
ACOPE
0
0
1
Bit 0
1
Bit 0
PTAD1
PTAD0
PTADD1 PTADD0
—
—
ACMOD
0
IREFSTEN
0
0
CLKST
0
0
0
PS
FTRIM
0
KBACK
KBIPE2
KBEDG2
AD8
KBIE
KBIPE1
KBEDG1
AD7
KBIMOD
KBIPE0
KBEDG0
AD6
—
—
—
—
—
0
0
MTIM
—
—
—
LVD
BKGDPE
RTI
—
—
—
ID
—
0
RSTPE
LVD
—
—
—
LVDE
—
—
RTIS
0
—
—
BGBE
—
—
= Unimplemented or Reserved
MC9RS08KA2 Series Data Sheet, Rev. 4
28
Freescale Semiconductor