MG84FL54BD MEGAWIN [Megawin Technology Co., Ltd], MG84FL54BD Datasheet - Page 59
MG84FL54BD
Manufacturer Part Number
MG84FL54BD
Description
Full-Speed USB micro-controller
Manufacturer
MEGAWIN [Megawin Technology Co., Ltd]
Datasheet
1.MG84FL54BD.pdf
(94 pages)
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(1) Master/Transmitter Mode
MEGAWIN
or
28H
Data byte in SIDAT has been transmitted;
ACK has been received.
30H
Data byte in SIDAT has been transmitted;
NOT ACK has been received.
(STA,STO,SI,AA)=(0,0,0,X)
Data byte will be transmitted;
ACK will be received.
From Slave Mode
SLA+R will be transmitted;
ACK bit will be received;
TWSI will be switched to MST/REC mode.
(STA,STO,SI,AA)=(0,0,0,X)
(STA,STO,SI,AA)=(1,0,0,X)
A repeated START will be transmitted.
10H
A repeated START has been
transmitted.
To Master/Receiver
A
MG84FL54B Data sheet
C
SLA+W has been transmitted;
ACK has been received.
or
SLA+W has been transmitted;
NOT ACK has been received.
18H
20H
SLA+W will be transmitted;
ACK bit will be received.
(STA,STO,SI,AA)=(0,0,0,X)
08H
A START has been
Set STA to generate
a START.
transmitted.
(STA,STO,SI,AA)=(0,0,0,X)
The bus will be released;
Not addressed SLV mode will be entered.
(STA,STO,SI,AA)=(0,1,0,X)
A STOP will be transmitted;
STO flag will be reset.
Send a STOP
Enter NAslave
B
From Master/Receiver
38H
Arbitration lost in SLA+W
or Data bytes.
(STA,STO,SI,AA)=(1,1,0,X)
A STOP followed by a START will be
STO flag will be reset.
transmitted;
(STA,STO,SI,AA)=(1,0,0,X)
A START will be transmitted when
the bus becomes free.
Send a STOP
Send a START
followed by a START
when bus becomes free
59
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