LAPIS Semiconductor ML62Q1000 Series, User Manual, Page: 508 / 882

ML62Q1000 Series User's Manual
Chapter 13 I2C Master
FEUL62Q1000 13-17
13.3.2 Communication Operation Timing
Figures 13-2 to 13-4 show the operation timing and control method for each communication mode.
Figure 13-2 Operation timing during data transmission
Figure 13-3 Operation timing during data reception
Figure 13-4 Operation timing during data transmission/ reception
S P
S
r
Start
condition
Stop
condition
Restart
condition
A A A
I2MnSA="xxxxxxx0B"
I2MnCON="01H"
I2MnTD="xxH"
I2MnCON="01H"
I2MnTD="xxH"
I2MnCON="01H"
I2MnTD="xxH"
I2MnCON="01H"
Values of
I2MnTD (2)
S
A
6
A
5
A
4
A
3
A
2
A
1
A
0
R
W
A
D
6
D
0
D
7
A
D
6
D
7
D
0
A
D
6
D
7
D
0
A
P
I2MnCON="02H"
Values of
I2MnTD (3)
Values of
I2MnTD (1)
Values of I2MnSA
Values of I2MnSA
Register
setting
I2CMn_SDA pin
I2MnINT
I2MnST bit
I2MnRD register
I2MnSA="xxxxxxx1B"
I2MnCON="01H"
I2MnCON="01H" I2MnCON="01H"
I2MnCON="81H"
Received data
‚(2)
S
A
6
A
5
A
4
A
3
A
2
A
1
A
0
R
W
A
D
6
D
0
D
7
A
D
6
D
7
D
0
A
D
6
D
7
D
0
A
P
I2MnCON="02H"
Received data
‚(3)
Received data
‚(1)
Values of I2MnSA
Values of I2MnSA Received data (1) Received data (2) Received data (3)
Register
setting
I2CMn_SDA pin
I2MnINT
I2MnST bit
I2MnRD register
I2MnSA="xxxxxxx0B"
I2MnCON="01H"
I2MnTD="xxH"
I2MnCON="01H"
S
A
6
A
5
A
0
R
W
A
D
6
D
0
D
7
A
P
I2MnCON="02H"
Values of
I2MnTD (1)
Values of I2MnSA
Values of I2MnSA Values of I2MnTD (1) Values of I2MnSA Received data (1)
Register
setting
I2CMn_SDA pin
I2MnINT
I2MnST bit
I2MnRD register
I2MnSA="xxxxxxx1B"
I2MnCON="05H" I2MnCON="81H"
A
6
A
5
A
0
R
W
A
D
6
D
0
D
7
A
Received data
‚(1)
Values of I2MnSA
S
r