NON-DISCLOSURE
AGREEMENT
REQUIRED
General Release Specification
MC68HC05C12A — Rev. 3.0
M68HC05Cx Family Feature Comparisons
T
ab
le
C-1.
M68HC05Cx
Feature
Comparison
C4
C4A
705C4A
C8
C8A
705C8
705C8A
C12
C12A
C9
C9A
705C9
705C9A
USER
R
OM
4160
—
7744
—
12,096
15,760-15,936
—
USER
EPR
OM
—
4160
—
7596-7740
—
15,760-15,936
12,096-15,936
CODE
SECURITY
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
RAM
176
176-304
176
176-352
OPTION
REGISTER
(IRQ/RAM/
SEC)
NO
$1FDF
(IRQ/SEC)
NO
$1FDF
(IRQ/RAM/
SEC)
$1FDF
(IRQ/RAM/SEC)
NO
$3FDF
(IRQ/RAM)
$3FDF
(IRQ/RAM)
$3FDF
(IRQ/RAM)
$3FDF
(IRQ/RAM)
MASK
OPTION
REGISTER(S)
NO
$1FF0-1
NO
$1FF0-1
NO
$3FF0-1
POR
TB
KEYSCAN
(PULLUP/
INTERR
UPT)
NO
YES
MASK
OPTION
YES
MOR
SELECT
-
ABLE
NO
YES
MASK
OPTION
NO
YES
MOR
SELECT
ABLE
YES
MASK
OPTION
YES
MASK
OPTION
NO
YES
MASK
OPTION
NO
YES
MOR
SELECT
ABLE
PC7
DRIVE
ST
AND
ARD
HIGH
CURRENT
HIGH
CURRENT
ST
AND
ARD
HIGH
CURRENT
ST
AND
ARD
HIGH
CURRENT
HIGH
CURRENT
HIGH
CURRENT
ST
AND
ARD
HIGH
CURRENT
ST
AND
ARD
HIGH
CURRENT
POR
T
D
PD7,
5-0
INPUT
ONL
Y
PD7,
5-0
INPUT
ONL
Y
PD7,
5-0
INPUT
ONL
Y
PD7,
5-0
INPUT
ONL
Y
PD7,
5-0
INPUT
ONL
Y
PD7,
5-0
INPUT
ONL
Y
PD7,
5-0
INPUT
ONL
Y
PD7,
5-0
INPUT
ONL
Y
PD7,
5-0
INPUT
ONL
Y
PD7,
5-0
BIDIREC-
TIONAL
PD7,
5-0
BIDIREC-
TIONAL
PD7,
5-0
BIDIREC-
TIONAL
PD7,
5-0
BIDIREC-
TIONAL
COP
NO
YES
NO
YES
TW
O
TYPES
YES
TWO
TYPES
COP
ENABLE
—
MASK
OPTION
MOR
—
MASK
OPTION
SOFTW
ARE
SOFTW
ARE+
MOR
MASK
OPTION
MASK
OPTION
SOFTW
ARE
SOFTWARE
SOFTWARE+
MOR
COP
TIMEOUT
—
64
ms
(@4
MHz
osc)
64
ms
(@4
MHz
osc)
—
64
ms
(@4
MHz
osc)
SOFTW
ARE
SELECT
ABLE
SOFTW
ARE+
MOR
SELECT
ABLE
64
ms
(@4
MHz
osc)
64
ms
(@4MHz
osc)
SOFTW
ARE
SELECT
ABLE
SOFTW
ARE
SELECT
ABLE
SOFTW
ARE
SELECT
ABLE
SOFTW
ARE+
MOR
SELECT
ABLE
COP
CLEAR
—
CLR
$1FF0
CLR
$1FF0
—
CLR
$1FF0
WRITE
$55/$AA
T
O
$001D
WRITE
$55/$AA
T
O
$001D
OR
CLR
$1FF0
CLR
$3FF0
CLR
$3FF0
WRITE
$55/$AA
T
O
$001D
WRITE
$55/$AA
T
O
$001D
WRITE
$55/$AA
T
O
$001D
WRITE
$55/$AA
T
O
$001D
OR
CLR
$3FF0
CLOCK
MONIT
OR
NO
YES
NO
YES
(C9A
MODE)
A
CTIVE
RESET
NO
COP/CLOCK
MONIT
OR
PR
OGRAM-
MABLE
COP/CLOCK
MONIT
OR
NO
POR/COP/
CLOCK
MONIT
OR
POR/COP/
CLOCK
MONIT
OR
POR/COP/
CLOCK
MONIT
OR
POR/C9A
COP/
CLOCK
MONIT
OR
ST
OP
DISABLE
NO
MASK
OPTION
NO
MASK
OPTION
NO
MASK
OPTION
MASK
OPTION
NO
MOR
SELECT
ABLE
(C12A
MODE)
NOTES:
1.
The
expanded
RAM
map
(from
$30–$4F
and
$100–$15F)
available
on
the
OTP
devices
MC68HC705C8
and
MC68HC705C8A
is
not
available
on
the
ROM
devices
MC68HC05C8
and
MC68HC05C8A.
2.
The
programmable
COP
available
on
the
MC68HC705C8
and
MC68HC705C8A
is
not
available
on
the
MC68HC05C8A.
For
ROM
compatibility,
use
the
non-programmable
COP.
F
re
e
sc
a
le
S
e
m
ic
o
n
d
u
c
to
r,
I
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
n
c
..
.