![Freescale Semiconductor MCF54455 Скачать руководство пользователя страница 841](http://html1.mh-extra.com/html/freescale-semiconductor/mcf54455/mcf54455_reference-manual_2330541841.webp)
I
2
C Interface
33-15
Freescale Semiconductor
Figure 33-14. Flow-Chart of Typical I
2
C Interrupt Routine
Clear
Master
Mode?
TX/Rx
?
Last Byte
Transmitted
?
RXAK= 0
?
End of
ADDR Cycle
(Master RX)
?
Write Next
Byte to I2DR
Switch to
Rx Mode
Dummy Read
from I2DR
Generate
STOP Signal
Read Data
from I2DR
And Store
Set TXAK =1
Generate
STOP Signal
2nd Last
Byte to be
Last
Byte to be
?
Arbitration
Lost?
Clear IAL
IAAS=1
?
IAAS=1
?
SRW=1
?
Tx/Rx
?
Set TX
Mode
Write Data
to I2DR
Set RX
Mode
Dummy Read
from I2DR
ACK from
Receiver
?
Tx Next
Byte
Read Data
from I2DR
and Store
Switch to
Rx Mode
Dummy Read
from I2DR
RTE
Y
N
Y
Y
Y
Y
Y
Y
Y
Y
Y
N
N
N
N
N
N
N
N
N
Y
TX
RX
RX
TX
(WRITE)
(Read)
N
IIF
Address
Cycle
Data
Cycle
Read
Read?
Содержание MCF54455
Страница 33: ...xxviii Freescale Semiconductor ...
Страница 67: ...Freescale Semiconductor 1 ...
Страница 125: ...Freescale Semiconductor 1 ...
Страница 145: ...Enhanced Multiply Accumulate Unit EMAC 5 21 Freescale Semiconductor ...
Страница 173: ...Cache 6 28 Freescale Semiconductor ...
Страница 179: ...Static RAM SRAM 7 6 Freescale Semiconductor ...
Страница 207: ...Power Management 9 16 Freescale Semiconductor ...
Страница 323: ...Reset Controller Module 13 8 Freescale Semiconductor ...
Страница 389: ...Pin Multiplexing and Control 16 44 Freescale Semiconductor ...
Страница 575: ...PCI Bus Controller 22 58 Freescale Semiconductor ...
Страница 600: ...Advanced Technology Attachment ATA Freescale Semiconductor 23 25 ...
Страница 601: ...Freescale Semiconductor 1 ...
Страница 842: ...I2 C Interface Freescale Semiconductor 33 16 ...
Страница 843: ...Freescale Semiconductor 1 ...
Страница 921: ...Revision History A 6 Freescale Semiconductor ...