CMOSTEK CMT2380F17 Manual page 263

(1) Master/Transmitter Mode
(STA,STO,SI,AA)=(0,0,0,X)
Data byte will be transmitted;
ACK bit will be received.
28H
Data byte in SIDAT has
been transmitted; ACK has
been received.
or
30H
Data byte in SIDAT has
been transmitted; NOT ACK
has been received.
Set STA to generate
a START
C
From Slave Mode
08H
A START has been
transmitted
(STA,STO,SI,AA)=(0,0,0,X)
SLA+W will be transmitted;
ACK bit will be received.
18H
SLA+W will be transmitted;
ACK bit will be received.
or
20H
SLA+W will be transmitted;
NOT ACK bit will be received.
(STA,STO,SI,AA)=(1,0,0,X)
A repeated START will be
transmitted.
10H
A repeated START has
been transmitted.
(STA,STO,SI,AA)=(0,0,0,X)
SLA+R will be transmitted;
ACK will be received;
TWSI will be switched to
Master/Receiver mode
A
To Master/Receiver
Rev0.1 | 263/347
B
From Master/Receiver
(STA,STO,SI,AA)=(0,1,0,X)
A STOP will be transmitted;
STO flag will be reset.
Send a STOP
38H
Arbitration lost in
SLA+W or Data bytes
(STA,STO,SI,AA)=(0,0,0,X)
The bus will be released;
Not addressed Slave mode
will be entered.
Enter NAslave
CMT2380F17
(STA,STO,SI,AA)=(1,1,0,X)
A STOP followed by a
START will be transmitted;
STO flag will be reset.
Send a STOP
followed by a START
(STA,STO,SI,AA)=(1,0,0,X)
A START will be transmitted
when the bus becomes free.
Send a START
when bus becomes
free
www.cmostek.com