參數(shù)資料
型號(hào)： ST72254G1B7
英文描述： 8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY. ADC. 16-BIT TIMERS. SPI.
中文描述： 8位單電壓閃存微控制器。 ADC的。 16位定時(shí)器。的SPI。
文件頁數(shù)： 124/140頁
文件大?。?/td> 1349K
代理商： ST72254G1B7
ST72104G, ST72215G, ST72216G, ST72254G
84/140
I2C BUS INTERFACE (Cont’d)
I2C OWN ADDRESS REGISTER (OAR1)
Read / Write
Reset Value: 0000 0000 (00h)
7-bit Addressing Mode
Bit 7:1 = ADD7-ADD1
Interface address.
These bits define the I2C bus address of the inter-
face. They are not cleared when the interface is
disabled (PE=0).
Bit 0 = ADD0
Address direction bit.
This bit is don’t care, the interface acknowledges
either 0 or 1. It is not cleared when the interface is
disabled (PE=0).
Note: Address 01h is always ignored.
10-bit Addressing Mode
Bit 7:0 = ADD7-ADD0
Interface address.
These are the least significant bits of the I2C bus
address of the interface. They are not cleared
when the interface is disabled (PE=0).
I2C OWN ADDRESS REGISTER (OAR2)
Read / Write
Reset Value: 0100 0000 (40h)
Bit 7:6 = FR1-FR0
Frequency bits.
These bits are set by software only when the inter-
face is disabled (PE=0). To configure the interface
to I2C specifed delays select the value corre-
sponding to the microcontroller frequency FCPU.
Bit 5:3 = Reserved
Bit 2:1 = ADD9-ADD8
Interface address.
These are the most significant bits of the I2C bus
address of the interface (10-bit mode only). They
are not cleared when the interface is disabled
(PE=0).
Bit 0 = Reserved.
70
ADD7
ADD6
ADD5
ADD4
ADD3
ADD2
ADD1
ADD0
70
FR1
FR0
0
ADD9
ADD8
0
FCPU Range (MHz)
FR1
FR0
2.5 - 6
0
6 -10
0
1
10 - 14
1
0
14 - 24
1
相關(guān)PDF資料
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ST72254G1B7/XXX 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY, ADC, 16-BIT TIMERS, SPI, IC INTERFACES
ST72254G1M1 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY. ADC. 16-BIT TIMERS. SPI.
ST72254G1M1/XXX 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY, ADC, 16-BIT TIMERS, SPI, IC INTERFACES
ST72254G1M3 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY. ADC. 16-BIT TIMERS. SPI.
ST72254G1M3/XXX 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY, ADC, 16-BIT TIMERS, SPI, IC INTERFACES
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