參數(shù)資料
型號(hào): MC68HC705K1
廠商: 飛思卡爾半導(dǎo)體(中國(guó))有限公司
英文描述: HCMOS Microcontroller Unit
中文描述: HCMOS微控制器
文件頁數(shù): 28/140頁
文件大?。?/td> 803K
代理商: MC68HC705K1
Technical Data
MC68HC705K1 — Rev. 2.0
Memory
Memory
Addr.
Register Name
Bit 7
6
5
4
3
2
1
Bit 0
$0000
Port A Data Register
(PORTA)
See page 64.
Read:
PA7
PA6
PA5
PA4
PA3
PA2
PA1
PA0
Write:
Reset:
Unaffected by reset
$0001
Port B Data Register
(PORTB)
See page 69.
Read:
0
0
0
0
0
0
PB1/
OSC3
PB0
Write:
Reset:
Unaffected by reset
$0002
Unimplemented
$0003
Unimplemented
$0004
Data Direction Register A
(DDRA)
See page 65.
Read:
DDRA7
DDRA6
DDRA5
DDRA4
DDRA3
DDRA2
DDRA1
DDRA0
Write:
Reset:
0
0
0
0
0
0
0
0
$0005
Data Direction Register B
(DDRB)
See page 70.
Read:
0
0
0
0
0
0
DDRB1
DDRB0
Write:
Reset:
0
0
0
0
0
0
0
0
$0006
Unimplemented
$0007
Unimplemented
$0008
Timer Status and Control
Register (TSCR)
See page 77.
Read:
TOF
RTIF
TOIE
RTIE
RT1
RT0
Write:
TOFR
RTIFR
Reset:
0
0
0
0
U
U
1
1
$0009
Timer Counter Register
(TCNTR)
See page 79.
Read:
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Write:
Reset:
0
0
0
0
0
0
0
0
$000A
IRQ Status and Control
Register (ISCR)
See page 45.
Read:
IRQE
0
0
0
IRQF
0
0
Write:
IRQR
Reset:
1
0
0
0
0
0
U
0
= Unimplemented
R
= Reserved
U = Unaffected
Figure 2-2. I/O Register Summary (Sheet 1 of 3)
F
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
n
.
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