參數(shù)資料
型號: M44C092-H
廠商: ATMEL CORP
元件分類: 微控制器/微處理器
英文描述: 4-BIT, MROM, 4 MHz, MICROCONTROLLER, PDSO20
封裝: SSO-20
文件頁數(shù): 52/84頁
文件大小: 648K
代理商: M44C092-H
M44C892–H
M44C092–H
Rev. A2, 14-Dec-01
56 (84)
76543 21
765 43210 A
msb
lsb
tx data 1
tx data 2
msb
lsb
Write STB
(tx data 1)
SC
SD
SRDY
ACT
Interrupt
(IFN = 0)
Interrupt
(IFN = 1)
13826
0A
Write STB
(tx data 2)
SIR
SDD
Start
Stop
Figure 62. Example of I2C transmit dialog
76 5432 1
765432 10 A
msb
lsb
tx data 1
rx data 2
msb
lsb
Write STB
(tx data 1)
SC
SD
SRDY
ACT
Interrupt
(IFN = 0)
Interrupt
(IFN = 1)
13827
0A
Read SRB
(rx data 2)
SIR
SDD
Start
Stop
Figure 63. Example of I2C receive dialog
8-bit Pseudo I2C Mode
In this mode, the SSI exhibits all the typical I2C opera-
tional features except for the acknowledge-bit which is
never expected or transmitted.
I2C Bus Protocol
The I2C protocol constitutes a simple 2-wire bidirectional
communication
highway
via
which
devices
can
communicate control and data information. Although the
I2C
protocol
can
support
multi–master
bus
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