Datasheet

Chapter 4 Memory
MC9RS08KA2 Series Data Sheet, Rev. 4
28 Freescale Semiconductor
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 Bit 7 6 5 4 3 2 1 Bit 0
$0000–
$000D
Fast Access RAM
$000E D[X]
1
Bit 7654321Bit 0
$000F X Bit 7 6 5 4 3 2 1 Bit 0
$0010 PTAD 0 0 PTAD5 PTAD4 PTAD3 PTAD2 PTAD1 PTAD0
$0011 PTADD 0 0 PTADD5 PTADD4 0 0 PTADD1 PTADD0
$0012 Unimplemented
$0013 ACMPSC ACME ACBGS ACF ACIE ACO ACOPE ACMOD
$0014 ICSC1 0CLKS0 0 0 0 0IREFSTEN
$0015 ICSC2 BDIV 0 0LP0 0 0
$0016 ICSTRM TRIM
$0017 ICSSC 0 0 0 0 0CLKST0FTRIM
$0018 MTIMSC TOF TOIE TRST TSTP 0 0 0 0
$0019 MTIMCLK 0 0CLKS PS
$001A MTIMCNT COUNT
$001B MTIMMOD MOD
$001C KBISC 0 0 0 0 KBF KBACK KBIE KBIMOD
$001D KBIPE KBIPE5 KBIPE4 KBIPE2 KBIPE1 KBIPE0
$001E KBIES KBEDG5 KBEDG4 KBEDG2 KBEDG1 KBEDG0
$001F PAGESEL AD13 AD12 AD11 AD10 AD9 AD8 AD7 AD6
$0020–
$004F
RAM
$0050–
$00BF
Unimplemented
$00C0–
$00FF
Paging Window
$0100–
$01FF
Unimplemented
$0200 SRS POR PIN COP ILOP ILAD
0LVD0
$0201 SOPT COPE COPT STOPE 0 0 0 BKGDPE RSTPE
$0202 SIP1
KBI ACMP MTIM RTI LVD
$0203 Unimplemented
$0204 Reserved
$0205 Unimplemented
$0206 SDIDH REV3 REV2 REV1 REV0 ID
$0207 SDIDL ID
$0208 SRTISC RTIF RTIACK RTICLKS RTIE 0RTIS
$0209 SPMSC1 LVDF LVDACK LVDIE LVDRE LVDSE LVDE 0BGBE
$020A Reserved
$020B Reserved
= Unimplemented or Reserved