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參數(shù)資料
| 型號： | M37221M4-XXXSP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-BIT, MROM, 8.1 MHz, MICROCONTROLLER, PDIP42 |
| 封裝： | 0.600 INCH, 1.78 MM PITCH, PLASTIC, SDIP-42 |
| 文件頁數(shù)： | 43/114頁 |
| 文件大小： | 1653K |
| 代理商： | M37221M4-XXXSP |
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33
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER
with ON-SCREEN DISPLAY CONTROLLER
M37221M4/M8/MA–XXXSP, M37221M6–XXXSP/FP
M37221EASP/FP
MITSUBISHI MICROCOMPUTERS
Rev. 1.0
8.6.2 I2C Address Register
The I2C address register (address 00D816) consists of a 7-bit slave
address and a read/write bit. In the addressing mode, the slave ad-
dress written in this register is compared with the address data to be
received immediately after the START condition are detected.
(1) Bit 0: read/write bit (RBW)
Not used when comparing addresses, in the 7-bit addressing mode.
In the 10-bit addressing mode, the first address data to be received
is compared with the contents (SAD6 to SAD0 + RBW) of the I2C
address register.
The RBW bit is cleared to “0” automatically when the stop condition
is detected.
(2) Bits 1 to 7: slave address (SAD0–SAD6)
These bits store slave addresses. Regardless of the 7-bit address-
ing mode and the 10-bit addressing mode, the address data trans-
mitted from the master is compared with the contents of these bits.
Fig. 8.6.3 I2C Address Register
b7 b6 b5 b4 b3 b2 b1 b0
0
Read/write bit
(RBW)
1
to
7
Slave address
(SAD0 to SAD6)
<Only in 10-bit addressing (in slave) mode>
The last significant bit of address data is
compared.
0: Wait the first byte of slave address after
START condition
(read state)
1: Wait the first byte of slave address after
RESTART condition
(write state)
<In both modes>
The address data is compared.
I2C Address Register
I2C address register (S0D) [Address 00D816]
B
Name
Functions
0
After reset R W
R —
R W
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| M37225M6-XXXSP | 8-BIT, MROM, 8.1 MHz, MICROCONTROLLER, PDIP42 |
| M37225MA-XXXSP | 8-BIT, MROM, 8.1 MHz, MICROCONTROLLER, PDIP42 |
| M37225MC-XXXSP | 8-BIT, MROM, 8.1 MHz, MICROCONTROLLER, PDIP42 |
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| M37221M6 | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER with ON-SCREEN DISPLAY CONTROLLER |
| M37221M6_03 | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER with ON-SCREEN DISPLAY CONTROLLER |
| M37221M6-054SP | 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 |
| M37221M6-079SP | 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 |
| M37221M6-286SP | 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 |
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