MC68HC11F1 Datasheet, PDF (20/68 Pages) Motorola, Inc – Technical Summary 8-Bit Microcontroller

$0000 —
$03FF —
$1000 —
$105F —
—
—
—
—
EXTERNAL
—
—
—
—
—
—
EXTERNAL
—
—
1024 BYTES RAM¹
96-BYTE REGISTER FILE²
EXTERNAL
EXTERNAL
$BF00 —
—
—
—
$BFFF —
—
—
—
$FE00 —
$FFC0 —
$FFFF —
SINGLE
CHIP
—
—
—
—
—
—
EXPANDED
SPECIAL
BOOTSTRAP
SPECIAL
TEST
MODA = 0
MODB = 1
MODA = 1
MODB = 1
MODA = 0
MODB = 0
MODA = 1
MODB = 0
256 BYTES
BOOTSTRAP
ROM
$BFC0
SPECIAL
MODE
INTERRUPT
VECTORS
$BFFF
$FFC0
NORMAL
MODE
INTERRUPT
VECTORS
$FFFF
NOTES:
1. RAM can be remapped to any 1-Kbyte boundary, depending on the value contained in the RAM field in the INIT
register.
2. The register block can be remapped to $0000, $2000, or $3000, depending on the value contained in REG[1:0]
in the INIT register.
Figure 8 MC68HC11FC0 Memory Map
4.3 System Initialization Registers
HPRIO — Highest Priority Interrupt and Miscellaneous
RESET:
Bit 7
RBOOT
0
0
1
0
6
SMOD
0
0
1
1
5
MDA
0
1
0
1
4
3
IRV PSEL3
0
0
0
0
1
0
1
0
2
PSEL2
1
1
1
1
1
PSEL1
0
0
0
0
$x03C
Bit 0
PSEL0
1 Single-Chip
1 Expanded
1 Bootstrap
1 Special Test
MOTOROLA
20
MC68HC11F1/FC0
MC68HC11FTS/D