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NUC120-YB2C Fiches technique(PDF) 40 Page - Nuvoton Technology Corporation |
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NUC120-YB2C Fiches technique(HTML) 40 Page - Nuvoton Technology Corporation |
40 / 89 page NuMicro ™ NUC120 Data Sheet Publication Release Date: Jan. 2, 2012 - 40 - Revision V2.03 (Master/Slave) (I 2C) aster and a Slave synchronously to SCL on the SDA line on a CL. A transition on the SDA 5.6 I 2C Serial Interface Controller 5.6.1 Overview I2C is a two-wire, bi-directional serial bus that provides a simple and efficient method of data exchange between devices. The I2C standard is a true multi-master bus including collision detection and arbitration that prevents data corruption if two or more masters attempt to control the bus simultaneously. Data is transferred between a M byte-by-byte basis. Each data byte is 8-bit long. There is one SCL clock pulse for each data bit with the MSB being transmitted first. An acknowledge bit follows each transferred byte. Each bit is sampled during the high period of SCL; therefore, the SDA line may be changed only during the low period of SCL and must be held stable during the high period of S line while SCL is high is interpreted as a command (START or STOP). Please refer to the Figure 5-9 for more detail I2C BUS Timing. Figure 5-9 I2C Bus Timing ce that meets the I2C bus standard mode omously. To enable this port, the bit ENS1 in I2CON should be set to '1'. The I2C H/W interfaces to the I2C bus via two pins: SDA and SCL. Pull up resistor is needed for I2C operation as these are open drain pins. When the I/O pins are used as I2C port, user must set the pins function to I2C in advance. The device’s on-chip I2C logic provides the serial interfa specification. The I2C port handles byte transfers auton |
Numéro de pièce similaire - NUC120-YB2C |
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Description similaire - NUC120-YB2C |
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