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参数资料
| 型号： | M37270EF-XXXSP |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 8-BIT, OTPROM, 8.1 MHz, MICROCONTROLLER, PDIP64 |
| 封装： | 0.750 INCH, 1.78 MM PITCH, PLASTIC, SDIP-64 |
| 文件页数： | 51/97页 |
| 文件大小： | 1359K |
| 代理商： | M37270EF-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
52
Input
port
1
0
1
(4) Clock for OSD
As a clock for display to be used for OSD, it is possible to select one
of the following 3 types.
Data slicer clock output from the data slicer (approximately 26 MHz)
Clock from the LC oscillator supplied from the pins OSC1 and OSC2
Clock from the ceramic resonator or the quartz-crystal oscillator
from the pins OSC1 and OSC2
This OSD clock for each block can be selected by the following bits
: bit 7 of the port P3 direction register, bits 5 and 4 of the clock source
control register (addresses 021616). A variety of character sizes can
be obtained by combining dot sizes with OSD clocks. When not us-
ing the pins OSC1 and OSC2 for the OSD clock I/O pins, the pins
can be used as sub-clock I/O pins or port P6.
Fig. 60. Block diagram of OSD selection circuit
Fig. 59. Structure of clock control register
Table 13. Setting for P63/OSC1/XCIN, P64/OSC2/XCOUT
b7 Port P3 direction
register
Clock source
control register
OSD clock
I/O pin
0
011
101
b5
b4
Sub-clock
I/O pin
0
Function
Register
“0”
“11”
“10”
“0”
32 kHZ
Data slicer
circuit
Data slicer clock
OSC1 clock
LC
Ceramic
quartz-crystal
Oscillating mode for OSD
CS5, CS4
“00”
“1”
CS0
CS1
CS3
CS2 = “0”
CC mode block
OSD mode block
EXOSD mode block
Note : Be sure to set bit 7 to “0” for program of the mask and the
EPROM versions. For the emulator MCU version
(M37270ERSS), be sure to set bit 7 to “1” when using the
data slicer clock for software debugging.
7
Clock source control register
(CS : address 021616)
CC mode clock selection bit
0 : Data slicer clock
1 : OSC1 clock
OSD mode clock selection bits
b2 b1
0 0 : Data slicer clock
0 1 : OSC1 clock
1 0 :
1 1 :
Do not set
EXOSD mode clock selection bit
0 : Data slicer clock
1 : OSC1 clock
Pre-divide ratio of layer 2 selection bit
0 : ! 1
1 : ! 2
Test bit (Note)
OSD1 oscillating mode selection bits
b5 b4
0 0 : 32 kHZ oscillating mode
0 1 : Input ports P63, P64
1 0 : LC oscillating mode
1 1 : Ceramic quartz-crystal
oscillating mode
0
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相关代理商/技术参数 |
参数描述 |
|---|---|
| M37270ERSS | 功能描述:EMULATION MCU/8BIT CMOS EMULATIO RoHS:否 类别:编程器，开发系统 >> 配件 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program RoHS指令信息:IButton RoHS Compliance Plan 标准包装:1 系列:- 附件类型:USB 至 1-Wire? RJ11 适配器 适用于相关产品:1-Wire? 设备 产品目录页面:1429 (CN2011-ZH PDF) |
| M37270MF | 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 |
| M37270MF-100SP | 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 |
| M37270MF-101SP | 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 |
| M37270MF-103SP | 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 |
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