參數(shù)資料
型號(hào): ST6382B1/XXX
廠商: STMICROELECTRONICS
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, MICROCONTROLLER, PDIP42
封裝: PLASTIC, SDIP-42
文件頁(yè)數(shù): 35/82頁(yè)
文件大小: 1651K
代理商: ST6382B1/XXX
Obsolete
Product(s)
- Obsolete
Product(s)
40/82
ST6388, ST63E88, ST63T88
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 27 (a and b). It is also possible to use mixed
S-BUS/I2C BUS protocols as showed in Figure 27
(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 27. S-BUS/ I2C BUS Mixed Configurations
SCL
SDA
SEN
ST6 S-BUS
PROTOCOL
SCL
SDA
SEN
I2C-BUS
SLAVE
SCL
SDA
SCL
SDA
SEN
ST6 I2C-BUS
PROTOCOL
SCL
SDA
SEN
I2C-BUS
SLAVE
SCL
SDA
SCL
SDA
SEN
ST6
PROTOCOL
SCL
SDA
SEN
I2C-BUS
SLAVE
SCL
SDA
S-BUS/I2C-BUS
VA00457
VA00456
VA00452
a
b
c
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