Data Sheet
10/40
Part No. : LTR-559ALS-01
BNS-OD-FC002/A4
Optical Sensor
LTR-559ALS-01
9. Principles of Operation
I
2
C Protocols
.I
2
C Write Protocol (type 1):
Slave address
W AS
Register Address
A P
7 1 11 8 1 1
Slave ID (Write)
SCL
1 2 3 4 5 6 7 8 9
SDA
S
6
S
5
S
4
S
3
S
2
S
1
S
0
1 2 3 4 5 6 7 8 9
A
7
A
6
A
5
A
4
A
3
A
2
A
1
A
0
Slave address Register AddressA AS PW
Slave ID (Write)
.I
2
C Write Protocol (type 2):
Slave address
W AS
Register Address
A P
7 1 11 8 1 1
Register Command
A
8 1
Slave ID (Write)
SCL
1 2 3 4 5 6 7 8 9
SDA
S
6
S
5
S
4
S
3
S
2
S
1
S
0
1 2 3 4 5 6 7 8 9
A
7
A
6
A
5
A
4
A
3
A
2
A
1
A
0
Slave address Register AddressA AS
1 2 3 4 5 6 7 8 9
A
7
A
6
A
5
A
4
A
3
A
2
A
1
A
0
Register Command A PW
Slave ID (Write)
.I
2
C Read Protocol:
S
1
Slave address
R A N
7 1 1 8 1
Register Command
P
1
Slave ID (Read)
SCL
1 2 3 4 5 6 7 8 9
SDA
S
6
S
5
S
4
S
3
S
2
S
1
S
0
1 2 3 4 5 6 7 8 9
C
7
C
6
C
5
C
4
C
3
C
2
C
1
C
0
Slave address Register CommandA NS PR
Slave ID (Read)