mg84fl54 Megawin Technology, mg84fl54 Datasheet - Page 80

• Manufacturer Part Number: mg84fl54
• Description: Full-speed Usb Micro-controller
• Manufacturer: Megawin Technology

(2) Master/Receiver Mode
80
(STA,STO,SI,AA)=(1,1,0,X)
A STOP followed by a START will
STO flag will be reset.
Send a START
be transmitted;
when bus becomes free
Send a STOP
(STA,STO,SI,AA)=(1,0,0,X)
A START will be transmitted
when the bus becomes free.
followed by a START
From Master/Transmitter
38H
Arbitration lost in SLA+R
or NOT ACK bit.
48H
SLA+R has been transmitted;
NOT ACK has been received.
(STA,STO,SI,AA)=(0,1,0,X)
A STOP will be transmitted;
STO flag will be reset.
(STA,STO,SI,AA)=(0,0,0,X)
The bus will be released;
Not addressed SLV mode will be entered.
Send a STOP
MG84FL54B Data Sheet
A
Enter NAslave
SLA+R will be transmitted;
ACK will be received.
(STA,STO,SI,AA)=(0,0,0,X)
08H
A START has been
Set STA to generate
a START.
transmitted.
SLA+W will be transmitted;
ACK will be received;
TWSI will be switched to MST/TRX mode.
(STA,STO,SI,AA)=(0,0,0,X)
(STA,STO,SI,AA)=(1,0,0,X)
A repeated START will be transmitted.
Data byte will be received;
NOT ACK will be returned.
10H
A repeated START has been
(STA,STO,SI,AA)=(0,0,0,0)
58H
Data byte has been received;
NOT ACK has been returned.
To Master/Transmitter
transmitted.
C
B
From Slave Mode
SLA+R has been transmitted;
ACK has been received.
40H
(STA,STO,SI,AA)=(0,0,0,1)
Data byte will be received;
ACK will be returned.
50H
Data byte has been received;
ACK has been returned.
MEGAWIN