ST6383 View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

ST6383

8-BIT MCUs WITH ON-SCREEN-DISPLAY FOR TV TUNING

STMicroelectronics 

ST6380, ST6381, ST6382, ST6383, ST6388, ST6389

SERIAL PERIPHERAL INTERFACE (Cont’d)

4.3.3 Compatibility S-BUS/I2C BUS

Using the S-BUS protocol it is possible to imple-

ment mixed system including S-BUS/I2C BUS bus

peripherals. In order to have the compatibility with

the I2C BUS peripherals, the devices including the

S-BUS interface must have their SDA and SEN

pins connected together as shown in the following

Figure 28 (a and b). It is also possible to use mixed

S-BUS/I2C BUS protocols as showed in Figure 28

(c). S-BUS peripherals will only react to S-BUS

protocol signals, while I2C BUS peripherals will

only react to I2C BUS signals. Multimaster config-

uration is not possible with the ST63xx SPI (single

master only).

Figure 28. S-BUS/ I2C BUS Mixed Configurations

SCL

SDA

SEN

ST6 S-BUS

PROTOCOL

SCL

SDA

SEN

SCL

SDA

I2C-BUS

SLAVE

VA00457 a

SCL

SDA

SEN

ST6

S-BUS/I2C-BUS

PROTOCOL

SCL

SDA

SEN

ST6 I2C-BUS

PROTOCOL

SCL

SDA

SEN

SCL

SDA

SEN

SCL

SDA

I2C-BUS

SLAVE

VA00456 b

SCL

SDA

I2C-BUS

SLAVE

VA00452 c

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