MC68HC05B4 Datasheet, PDF (245/298 Pages) Motorola, Inc – High-density Complementary Metal Oxide Semiconductor (HCMOS) Microcomputer Unit

$0000
$0020
MC68HC05B32
I/O
(32 bytes)
$0050
$00C0
$0100
$0101
$0120
$0200
$0250
$03B0
$0400
$7E00
$7FDE
RAM I
(176 bytes)
Stack
Options register
Unprotected (31 bytes)
EEPROM
(256 bytes)
Protected (224 bytes)
Bootloader ROMI
(80 bytes)
RAM II
(352 bytes)
Bootloader ROMII
(80 bytes)
User ROM
(31232 bytes)
Bootloader ROMIII
(478 bytes)
$7FE0
Bootloader ROM vectors
(16 bytes)
$7FF0
$7FF2–3
SCI
$7FF4–5
Timer overflow
$7FF6–7 Timer output compare 1& 2
$7FF8–9 Timer input capture 1 & 2
$7FFA–B
External IRQ
$7FFC–D
SWI
$7FFE–F Reset/power-on reset
User vectors
(14 bytes)
Registers
Port A data register
Port B data register
Port C data register
Port D input data register
Port A data direction register
Port B data direction register
Port C data direction register
EEPROM/ECLK control register
A/D data register
A/D status/control register
Pulse length modulation A
Pulse length modulation B
Miscellaneous register
SCI baud rate register
SCI control register 1
SCI control register 2
SCI status register
SCI data register
Timer control register
Timer status register
Capture high register 1
Capture low register 1
Compare high register 1
Compare low register 1
Counter high register
Counter low register
Alternate counter high register
Alternate counter low register
Capture high register 2
Capture low register 2
Compare high register 2
Compare low register 2
$0000
$0001
$0002
$0003
$0004
$0005
$0006
$0007
$0008
$0009
$000A
$000B
$000C
$000D
$000E
$000F
$0010
$0011
$0012
$0013
$0014
$0015
$0016
$0017
$0018
$0019
$001A
$001B
$001C
$001D
$001E
$001F
Options register
$0100
Reserved
Figure G-2 Memory map of the MC68HC05B32
14
MC68HC05B6
Rev. 4
MC68HC05B32
TPG
MOTOROLA
G-3