參數(shù)資料
型號： MC68HC05C8AVFB
廠商： FREESCALE SEMICONDUCTOR INC
元件分類： 微控制器/微處理器
英文描述： 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PQFP44
封裝： QFP-44
文件頁數(shù)： 18/116頁
文件大?。?/td> 781K
代理商： MC68HC05C8AVFB
MC68
HC05C
8A
MC68HC
L
05
C8A
MC68H
SC05C8
A
Data
Shee
t,
Re
v
.5.1
114
Fre
e
scale
Semico
nductor
Table C-1. M68HC05Cx Feature Comparison
C4
C4A
705C4A
C8
C8A
705C8
705C8A
C12
C12A
C9
C9A
705C9
705C9A
USER ROM
4160
—
7744
—
12,096
15,760–15,936
—
USER EPROM
—
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
PORTB
KEYSCAN
(PULLUP/
INTERRUPT)
NO
YES
MASK
OPTION
YES
MOR SELECT-
ABLE
NO
YES
MASK
OPTION
NO
YES
MOR
SELECTABLE
YES
MASK
OPTION
YES
MASK
OPTION
NO
YES
MASK
OPTION
NO
YES
MOR
SELECTABLE
PC7 DRIVE
STANDARD
HIGH
CURRENT
HIGH
CURRENT
STANDARD
HIGH
CURRENT
STANDARD
HIGH
CURRENT
HIGH
CURRENT
HIGH
CURRENT
STANDARD
HIGH
CURRENT
STANDARD
HIGH
CURRENT
PORT D
PD7, 5–0
INPUT ONLY
PD7, 5–0
INPUT ONLY
PD7, 5–0
INPUT ONLY
PD7, 5–0
INPUT ONLY
PD7, 5–0
INPUT ONLY
PD7, 5–0
INPUT ONLY
PD7, 5–0
INPUT ONLY
PD7, 5–0
INPUT ONLY
PD7, 5–0
INPUT ONLY
PD7, 5–0
BIDIREC-
TIONAL
PD7, 5–0
BIDIREC-
TIONAL
PD7, 5–0
BIDIREC-
TIONAL
PD7, 5–0
BIDIRECTIONAL
COP
NO
YES
NO
YES
TWO TYPES
YES
YES
TWO TYPES
COP ENABLE
—
MASK
OPTION
MOR
—
MASK
OPTION
SOFTWARE
SOFTWARE+
MOR
MASK
OPTION
MASK
OPTION
SOFTWARE
SOFTWARE
SOFTWARE+
MOR
COP TIMEOUT
—
64 ms
(@4 MHz
osc)
64 ms
(@4 MHz osc)
—
64 ms
(@4 MHz osc)
SOFTWARE
SELECTABLE
SOFTWARE+
MOR
SELECTABLE
64 ms
(@4 MHz osc)
64 ms
(@4MHz osc)
SOFTWARE
SELECTABLE
SOFTWARE
SELECTABLE
SOFTWARE
SELECTABLE
SOFTWARE+
MOR
SELECTABLE
COP CLEAR
—
CLR $1FF0
—
CLR $1FF0
WRITE $55/$AA
TO $001D
WRITE $55/$AA
TO $001D
OR
CLR $1FF0
CLR $3FF0
WRITE $55/$AA
TO $001D
WRITE $55/$AA
TO $001D
WRITE $55/$AA
TO $001D
WRITE $55/$AA
TO $001D
OR
CLR $3FF0
CLOCK
MONITOR
NO
YES
NO
YES
(C9A MODE)
ACTIVE
RESET
NO
COP/CLOCK
MONITOR
PROGRAM-
MABLE
COP/CLOCK
MONITOR
NO
POR/COP/
CLOCK
MONITOR
POR/COP/
CLOCK
MONITOR
POR/COP/
CLOCK
MONITOR
POR/C9A COP/
CLOCK
MONITOR
STOP DISABLE
NO
MASK
OPTION
NO
MASK
OPTION
NO
MASK
OPTION
MASK
OPTION
NO
MOR
SELECTABLE
(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.
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