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| 型号： | M37270MF-XXXSP |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 8-BIT, MROM, 8.1 MHz, MICROCONTROLLER, PDIP64 |
| 封装： | 0.750 INCH, 1.78 MM PITCH, PLASTIC, SDIP-64 |
| 文件页数： | 73/95页 |
| 文件大小： | 1517K |
| 代理商： | M37270MF-XXXSP |
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MITSUBISHI MICROCOMPUTERS
M37270MF-XXXSP
M37270EF-XXXSP, M37270EFSP
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER
and ON-SCREEN DISPLAY CONTROLLER
74
Fig. 85. Setting value of interrpt interval determination control
register and measuring interval
8
Data bus
Control
circuit
Connected to
black colored
side at rest.
Selection gate :
(Address 021116)
32
s
RE1
16
s
8-bit binary up counter (8)
Interrupt interval determination register(8)
RE0
8
INT1 (Note)
RE2
INT2 (Note)
Note: The pulse width of external interrupt INT1 and INT2 needs 5 or more machine cycles.
RE: Input interval determination control register
Fig. 83. Block diagram of interrupt interval determination circuit
Fig. 84. Structure of interrupt interval determination control
register
RE5
0
1
REi
0
1
0
1
INT1 or INT2 input
Count interval
REi : Bit i (i = 3, 4) of interrupt interval determination
control register (address 021116)
0
7
Interrupt interval determination
control register
(RE : address 021216)
Interrupt interval determination
circuit operation control bit
0 : Stopped
1 : Operating
External interrupt input pin
selection bit
0 : INT1 input
1 : INT2 input
INT1 pin input polarity switch bit
0 : Positive polarity input
1 : Negative polarity input
INT2 pin input polarity switch bit
0 : Positive polarity input
1 : Negative polarity input
Interrupt interval determination mode
switch bit
0 : Interrupt interval determination
mode
1 : Pulse width determination mode
Reference clock control selection
bit
(at f(XIN) = 8MHz)
0 : 32
s
1 : 16
s
INT3 pin input polarity switch bit
0 : Positive polarity input
1 : Negative polarity input
A-D conversion INT3 interrupt
source selection bit
0 : INT3 interrupt
1 : A-D conversion interrupt
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相关代理商/技术参数 |
参数描述 |
|---|---|
| M37271EF | 制造商:MITSUBISHI 制造商全称:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER |
| M37271EFSP | 制造商:MITSUBISHI 制造商全称:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER |
| M37271EFSS | 功能描述:EPROM MCU/8BIT CMOS EMULATION CH RoHS:否 类别:编程器，开发系统 >> 配件 系列:- 标准包装:1 系列:- 附件类型:适配器板 适用于相关产品:RCB230，RCB231，RCB212 配用:26790D-ND - RCB BREAKOUT BOARD RS232 CABLE |
| M37271EF-XXXSP | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER |
| M37271MF | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER |
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