參數(shù)資料
型號： MC68HC705C8ACP
廠商： MOTOROLA INC
元件分類： 微控制器/微處理器
英文描述： HCMOS Microcontroller Unit
中文描述： 8-BIT, OTPROM, 2.1 MHz, MICROCONTROLLER, PDIP40
封裝： PLASTIC, DIP-40
文件頁數(shù)： 23/108頁
文件大?。?/td> 718K
代理商： MC68HC705C8ACP
Input/Output Register Summary
MC68HC705KJ1 MC68HRC705KJ1 MC68HLC705KJ1 Data Sheet, Rev. 4.1
Freescale Semiconductor
23
2.5 Input/Output Register Summary
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 66.
Read:
0
0
Refer to
Chapter 7 Paral-
lel I/O Ports (PORTS)
PB3
PB2
Refer to
Chapter 7 Paral-
lel I/O Ports (PORTS)
Write:
Reset:
Unaffected by reset
$0002
Unimplemented
$0003
Unimplemented
$0004
Data Direction Register A
(DDRA)
See page 64.
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 67.
Read:
0
0
Refer to
Chapter 7 Paral-
lel I/O Ports (PORTS)
DDRB3
DDRB2
Refer to
Chapter 7 Paral-
lel I/O Ports (PORTS)
Write:
Reset:
0
0
0
0
0
0
0
0
$0006
Unimplemented
$0007
Unimplemented
$0008
Timer Status and Control
Register (TSCR)
See page 81.
Read:
TOF
RTIF
TOIE
RTIE
0
0
RT1
RT0
Write:
TOFR
RTIFR
Reset:
0
0
0
0
0
0
1
1
$0009
Timer Counter Register
(TCR)
See page 82.
Read:
TCR7
TCR6
TCR5
TCR4
TCR3
TCR2
TCR1
TCR0
Write:
Reset:
0
0
0
0
0
0
0
0
$000A
IRQ Status and Control Reg-
ister (ISCR)
See page 54.
Read:
IRQE
0
0
0
IRQF
0
0
0
Write:
R
IRQR
Reset:
1
0
0
0
0
0
0
0
=Unimplemented
R = Reserved
U = Unaffected
Figure 2-2. I/O Register Summary (Sheet 1 of 2)
相關PDF資料
PDF描述
MC68HC705C8ACFS HCMOS Microcontroller Unit
MC68HC705C8ACFN HCMOS Microcontroller Unit
MC68HC705C8ACFB HCMOS Microcontroller Unit
MC68HC705C8ACB HCMOS Microcontroller Unit
MC68HC705JJ7S HCMOS Microcontroller Unit
相關代理商/技術參數(shù)
參數(shù)描述
MC68HC705C8ACPB 制造商:Freescale Semiconductor 功能描述:
MC68HC705C8ACPE 制造商:Freescale Semiconductor 功能描述:
MC68HC705C8AFNE 功能描述:8位微控制器 -MCU HC05 CORE + 8K RAM + EPR RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風格:SMD/SMT
MC68HC705C8AFU 制造商:Rochester Electronics LLC 功能描述:8-BIT MCU W/BLANK EPROM - Bulk
MC68HC705C8AVFB 制造商:Rochester Electronics LLC 功能描述:- Bulk
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