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參數(shù)資料
| 型號： | M37273E8SP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-BIT, OTPROM, 8.1 MHz, MICROCONTROLLER, PDIP52 |
| 封裝： | 0.600 INCH, 1.78 MM PITCH, PLASTIC, SDIP-52 |
| 文件頁數(shù)： | 72/141頁 |
| 文件大?。?/td> | 1736K |
| 代理商： | M37273E8SP |
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33
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER
and ON-SCREEN DISPLAY CONTROLLER
M37273M8–XXXSP, M37273MF–XXXSP
M37273E8SP, M37273EFSP
MITSUBISHI MICROCOMPUTERS
Rev. 1.0
8.6.4 I2C Control Register
The I2C control register (address 00F916) controls the data commu-
nication format.
(1) Bits 0 to 2: bit counter (BC0–BC2)
These bits decide the number of bits for the next 1-byte data to be
transmitted. An interrupt request signal occurs immediately after the
number of bits specified with these bits are transmitted.
When a START condition is received, these bits become “0002” and
the address data is always transmitted and received in 8 bits.
(2) Bit 3: I2C interface use enable bit (ESO)
This bit enables usage of the multimaster I2C BUS interface. When
this bit is set to “0,” the use disable status is provided, so the SDA
and the SCL become high-impedance. When the bit is set to “1,” use
of the interface is enabled.
When ESO = “0,” the following is performed.
PIN = “1,” BB = “0” and AL = “0” are set (they are bits of the I2C
status register at address 00F816 ).
Writing data to the I2C data shift register (address 00F616) is dis-
abled.
(3) Bit 4: data format selection bit (ALS)
This bit decides whether or not to recognize slave addresses. When
this bit is set to “0,” the addressing format is selected, so that ad-
dress data is recognized. When a match is found between a slave
address and address data as a result of comparison or when a gen-
eral call (refer to “8.6.5 I2C Status Register,” bit 1) is received, trans-
mission processing can be performed. When this bit is set to “1,” the
free data format is selected, so that slave addresses are not recog-
nized.
(4) Bit 5: addressing format selection bit (10BIT SAD)
This bit selects a slave address specification format. When this bit is
set to “0,” the 7-bit addressing format is selected. In this case, only
the high-order 7 bits (slave address) of the I2C address register (ad-
dress 00F716) are compared with address data. When this bit is set
to “1,” the 10-bit addressing format is selected, all the bits of the I2C
address register are compared with address data.
(5) Bits 6 and 7: connection control bits between
I2C-BUS interface and ports
(BSEL0, BSEL1)
These bits controls the connection between SCL and ports or SDA
and ports (refer to Figure 8.6.5).
Fig. 8.6.5 Connection Port Control by BSEL0 and BSEL1
Note: Set the corresponding direction register to “1” to use the
port as multi-master I2C-BUS interface.
“0”
“1” BSEL0
SCL/P11
SCL2/P12
“0”
“1” BSEL1
“0”
“1” BSEL0
SDA1/P13
SDA2/P14
“0”
“1” BSEL1
Multi-master
I2C-BUS
interface
SCL
SDA
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| M37273MF-XXXSP | 8-BIT, MROM, 8.1 MHz, MICROCONTROLLER, PDIP52 |
| M37273EFSP | 8-BIT, OTPROM, 8.1 MHz, MICROCONTROLLER, PDIP52 |
| M37273M8-XXXSP | 8-BIT, MROM, 8.1 MHz, MICROCONTROLLER, PDIP52 |
| M3727GM8-XXXSP | 8-BIT, MROM, 8.1 MHz, MICROCONTROLLER, PDIP42 |
| M3727GM8-XXXFP | 8-BIT, MROM, 8.1 MHz, MICROCONTROLLER, PDSO42 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| M37273E8SS | 功能描述:EPROM MCU/8BIT CMOS EMULATION CH RoHS:否 類別:編程器，開發(fā)系統(tǒng) >> 配件 系列:- 標準包裝:1 系列:- 附件類型:適配器板 適用于相關(guān)產(chǎn)品:RCB230，RCB231，RCB212 配用:26790D-ND - RCB BREAKOUT BOARD RS232 CABLE |
| M37273EF8SP | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER |
| M37273EFRSS | 功能描述:EMULATION MCU/8BIT CMOS EMULATIO RoHS:否 類別:編程器，開發(fā)系統(tǒng) >> 配件 系列:- 產(chǎn)品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program RoHS指令信息:IButton RoHS Compliance Plan 標準包裝:1 系列:- 附件類型:USB 至 1-Wire? RJ11 適配器 適用于相關(guān)產(chǎn)品:1-Wire? 設(shè)備 產(chǎn)品目錄頁面:1429 (CN2011-ZH PDF) |
| M37273EFSP | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER |
| M37273ERSS | 功能描述:EMULATION MCU/8BIT CMOS EMULATIO RoHS:否 類別:編程器，開發(fā)系統(tǒng) >> 配件 系列:- 產(chǎn)品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program RoHS指令信息:IButton RoHS Compliance Plan 標準包裝:1 系列:- 附件類型:USB 至 1-Wire? RJ11 適配器 適用于相關(guān)產(chǎn)品:1-Wire? 設(shè)備 產(chǎn)品目錄頁面:1429 (CN2011-ZH PDF) |
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