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參數(shù)資料
| 型號(hào)： | M37207M8-XXXSP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-BIT, MROM, 8.1 MHz, MICROCONTROLLER, PDIP64 |
| 封裝： | 0.750 INCH, 1.78 MM PITCH, PLASTIC, SDIP-64 |
| 文件頁(yè)數(shù)： | 54/124頁(yè) |
| 文件大?。?/td> | 1993K |
| 代理商： | M37207M8-XXXSP |
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32
MITSUBISHI MICROCOMPUTERS
M37207MF-XXXSP/FP, M37207M8-XXXSP
M37207EFSP/FP
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER
and ON-SCREEN DISPLAY CONTROLLER
(4) I2C Control Register
The I2C control register (address 00DC16) controls the data commu-
nication format.
sBits 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.
sBit 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.
sBit 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 “(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.
Fig. 28. I2C Control Register
sBit 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.
sBits 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 28).
Fig. 27. Connection Port Control by BSEL0 and BSEL1
“0”
“1” BSEL0
“0”
“1” BSEL1
SCL1/P45
SCL2/P43
Multi-master
I2C-BUS
interface
SCL
SDA
SCL3/P41
“0”
“1”
CIIC (Note 2)
“0”
“1” BSEL0
“0”
“1” BSEL1
SDA1/P44
SDA2/P42
SDA3/P40
“0”
“1”
CIIC (Note 2)
Notes 1 : When using multi-master I2C-BUS interface, set bits 3 to
7 of the serial I/O mode register (address 00DE16) to “1.”
2 : CIIC is bit 2 of the serial I/O control register (address
020716) (refer to Figure 21).
b7 b6 b5 b4 b3 b2 b1 b0
0
to
2
Bit counter
(Number of transmit/recieve
bits)
(BC0 to BC2)
b2 b1 b0
0
0 : 8
0
1 : 7
0
1
0 : 6
0
1
1 : 5
1
0
0 : 4
1
0
1 : 3
1
0 : 2
1
1 : 1
3
I2C-BUS interface use
enable bit (ESO)
0 : Disabled
1 : Enabled
4
Data format selection bit
(ALS)
0 : Addressing mode
1 : Free data format
5
Addressing format selection
bit (10BIT SAD)
0 : 7-bit addressing format
1 : 10-bit addressing format
6, 7 Connection control bits
between I C-BUS interface
and ports
b7 b6 Connection port (See note)
0
0 : None
0
1 : SCL1, SDA1
1
0 : SCL2, SDA2
1
1 : SCL1, SDA1
SCL2, SDA2
0
I2C control register (S1D : address 00DC 16)
I2C Control Register
B
Name
Functions
After reset RW
Note: When using ports P11-P14 as I C-BUS interface, the output structure changes
automatically from CMOS output to N-channel open-drain output.
2
RW
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| M37210E4-XXXSP | 8-BIT, OTPROM, 8.1 MHz, MICROCONTROLLER, PDIP52 |
| M37210E4FP | 8-BIT, OTPROM, 8.1 MHz, MICROCONTROLLER, PQFP64 |
| M37210M3-XXXSP | 8-BIT, MROM, 8.1 MHz, MICROCONTROLLER, PDIP52 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| M37207MF | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER and ON-SCREEN DISPLAY CONTROLLER |
| M37207MF-065SP | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER and ON-SCREEN DISPLAY CONTROLLER |
| M37207MF-077SP | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER and ON-SCREEN DISPLAY CONTROLLER |
| M37207MF-092SP | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER and ON-SCREEN DISPLAY CONTROLLER |
| M37207MF-106FP | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER and ON-SCREEN DISPLAY CONTROLLER |
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