Motorola MC68HC05RC16 User Manual
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MC68HC05RC8
General Release Specification
MC68HC05RC16
—
Rev. 3.0
120
MC68HC05RC8
MOTOROLA
Figure A-1. MC68HC05RC8 Memory Map
I/O
32 BYTES
RAM
160 BYTES
STACK
64 BYTES
RAM
128 BYTES
USER ROM
8112 BYTES
BURN-IN ROM
& VECTORS
USER VECTORS
16 BYTES
$0000
$001F
$0020
$00BF
$00C0
$00C0
$00FF
$0100
$017F
$0180
$3FAF
$3FB0
$3FEF
$3FF0
$3FFF
0000
0031
0032
0032
0191
0192
0192
0255
0383
0384
0384
16303
16304
16304
16367
16368
16368
16383
0256
PORT A DATA REGISTER
PORT B DATA REGISTER
PORT C DATA REGISTER
PORT A DATA DIRECTION REGISTER
PORT B DATA DIRECTION REGISTER
PORT C DATA DIRECTION REGISTER
CORE TIMER CONTROL & STATUS REG.
RESERVED
$00
$01
$02
$03
$04
$05
$06
$07
$08
$09
$0F
64 BYTES
RESERVED
RESET VECTOR (LOW BYTE)
RESET VECTOR (HIGH BYTE)
SWI VECTOR (LOW BYTE)
SWI VECTOR (HIGH BYTE)
IRQ/PTB KEYSCAN PULLUPS
IRQ/PTB KEYSCAN PULLUPS
IR TIMER VECTOR (LOW BYTE)
IR TIMER VECTOR (HIGH BYTE)
CORE TIMER VECTOR (LOW BYTE)
$3FF0
$3FF5
$3FF6
$3FF7
$3FF8
$3FF9
$3FFA
$3FFB
$3FFC
$3FFD
$3FFE
UNUSED
$3FFF
RESERVED
RESERVED
RESERVED
$18
$1F
RESERVED
$1E
$10
$11
$11
$12
$13
$14
$15
$16
$17
IR TIMER CHR1
IR TIMER CLR1
IR TIMER CLR1
IR TIMER CHR2
IR TIMER CLR2
IR TIMER MCSR
IR TIMER MDR1
IR TIMER MDR2
IR TIMER MDR3
CORE TIMER VECTOR (HIGH BYTE)
UNUSED
$0A
CORE TIMER COUNTER REGISTER
. . . . . . .
...
..
VECTOR (HIGH BYTE)
VECTOR (LOW BYTE)
RESERVED
. . . . . . .
$1FFF
$2000
UNUSED