MC9RS08KA2 Datasheet, PDF (29/132 Pages) Freescale Semiconductor, Inc – Microcontrollers

Address Register Name
$020C–
$020F
$0210
$0211
$0212–
$0213
$0214–
$021F
$0220
$0221
$0222
$0223–
$023F
Unimplemented
FOPT
FLCR
Reserved
Unimplemented
PTAPE
PTAPUD
PTASE
Unimplemented
Bit 7
—
0
0
—
—
—
0
0
0
—
Chapter 4 Memory
Table 4-1. Register Summary (continued)
6
5
4
3
—
—
—
—
0
0
0
0
0
0
0
HVEN
—
—
—
—
—
—
—
—
—
—
—
—
0
PTAPE5 PTAPE4
0
0
PTAPUD5 PTAPUD4
0
0
PTASE5 PTASE4 PTASE3
—
—
—
—
2
1
Bit 0
—
0
MASS
—
—
—
PTAPE2
PTAPUD2
0
—
—
0
0
—
—
—
PTAPE1
PTAPUD1
PTASE1
—
—
SECD
PGM
—
—
—
PTAPE0
PTAPUD0
PTASE0
—
$3FF8
$3FF9
$3FFA²
$3FFB²
$3FFC
Reserved
Reserved
Reserved
Reserved
NVOPT
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Reserved for Room Temperature ICS Trim
Reserved
0
0
0
0
0
0
0
= Unimplemented or Reserved
1 _{Physical RAM in $000E can be accessed through D[X] register when the content of the index register X is $0E.}
2 _{If using the MCU untrimmed, $3FFA and $3FFB may be used by applications.}
—
—
FTRIM
SECD
4.5 RAM
The device includes two sections of static RAM. The locations from $0000 to $000D can be directly
accessed using the more efficient tiny addressing mode instructions and short addressing mode
instructions. Location $000E RAM can either be accessed through D[X] register when register X is $0E
or through the paging window location $00CE when PAGESEL register is $00. The second section of
RAM starts from $0020 to $004F, and it can be accessed using direct addressing mode instructions.
The RAM retains data when the MCU is in low-power wait and stop mode. RAM data is unaffected by any
reset provided that the supply voltage does not drop below the minimum value for RAM retention.
4.6 Flash
The Flash memory is intended primarily for program storage. In-circuit programming allows the operating
program to be loaded into the Flash memory after final assembly of the application product. It is possible
to program the entire array through the single-wire background debug interface. Because the device does
not include on-chip charge pump circuitry, external V_PP is required for program and erase operations.
4.6.1 Features
Features of the Flash memory include:
MC9RS08KA2 Series Data Sheet, Rev. 2
Freescale Semiconductor
29