參數(shù)資料
型號: PCF8584
廠商: NXP Semiconductors N.V.
英文描述: IIC-bus controller(IIC總線控制器)
中文描述: IIC總線控制器(國際進口總線控制器)
文件頁數(shù): 20/40頁
文件大?。?/td> 224K
代理商: PCF8584
1997 Oct 21
20
Philips Semiconductors
Product specification
I
2
C-bus controller
PCF8584
8
I
2
C-BUS TIMING DIAGRAMS
The diagrams (Figs 10 to 13) illustrate typical timing diagrams for the PCF8584 in master/slave functions. For detailed
description of the I
2
C-bus protocol, please refer to “The I
2
C-bus and how to use it”; Philips document
ordering number 9398 393 40011.
Fig.10 Bus timing diagram; master transmitter mode.
handbook, full pagewidth
MBE709
STOP
condition
interrupt
ACK
nbyte
ACK
interrupt
first-byte (E4H)
interrupt
R/W = 0
ACK
7-bit address (76H)
START
condition
from slave receiver
SCL
INT
Master PCF8584 writes data to slave transmitter.
Fig.11 Bus timing diagram; master receiver mode.
handbook, full pagewidth
MBE710
STOP
condition
no ACK
nbyte
ACK
interrupt
first-byte (discard)
interrupt
R/W = 1
ACK
7-bit address (76H)
START
condition
from slave
SCL
INT
'DUMMY READ'
must be executed here
from master
receiver
Master PCF8584 reads data from slave transmitter.
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