Panasonic F77G, MN101C77C user manual Single Master IIC Interface, IIC Serial Interface Functions

Models: F77G MN101C77C

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Chapter 12 Serial Interface 3

12-3-3 Single Master IIC Interface

IIC serial communication in single master is available at serial interface 3. Communication of this IIC interface is based on the data transfer format of Philips, IIC-BUS.

Table 12-3-11 shows the functions of IIC serial interface.

Table 12-3-11 IIC Serial Interface Functions

Communication type

IIC (single master)

 

 

Interrupt

SC3IRQ

 

 

Pin

SDA, SCL

 

 

Transfer bit count

1 to 8 bit

 

 

First transfer bit

 

 

 

ACK bit

 

 

 

ACK bit level

 

fosc/2

fosc/4

fosc/16

Clock sourcefosc/32 fs/2 fs/4

timer 5 output

The transfer rate is the clock source divided by 3.

„Activation factor for Communication

Set data (at transmission) or dummy data (at reception) to the transmit/receive shift register SC3TRB. Start condition and transfer clock are generated to start communication, regardless of transmission/ reception. This serial interface can not be used for slave communication.

Operation XII - 27

Page 413
Image 413
Panasonic F77G, MN101C77C user manual Single Master IIC Interface, IIC Serial Interface Functions