Datasheet

DS1077
12 of 21
2-WIRE SERIAL COMMUNICATION WITH DS1077 Figure 3 (continued)
1S 1 C001 W
SDA
SCL
Control Byte Command ByteStart DS1077
A
CK
Read Single Byte Register or MSB from a Two-Byte Register
C1C2C3C4C5C6C7
A
1R 01 Rd
A
Control ByteRepeated
Start
DS1077
A
CK
A
DS1077
A
CK
NP
MSByte StopMaster
NACK
D1D2D3D4D5D6 D0D7
A
2
A
1
A
0 1
A
2
A
1
A
0
NP
LSByte StopMaster
NACK
D1D2D3D4D5D6 D0
SDA
SCL
D7
1S C001 W
SDA
SCL
Control Byte Command ByteStart DS1077
A
CK
Read from a Two-Byte Register
C1C2C3C4C5C6C7
A
1R 01
A
Control ByteRepeated
Start
DS1077
A
CK
A
DS1077
A
CK
A
MSByte Master
A
CK
D1D2D3D4D5D6D7 D01
A
2
A
1
A
0 Rd1
A
2
A
1
A
0
1S 1 C001 W
SDA
SCL
Control Byte Command ByteStart DS1077
A
CK
Read Multiple Bytes from an Addressed Register
C1C2C3C4C5C6C7
A
A
DS1077
A
CK
A
2
A
1
A
0 1R 01 Rd
A
Control ByteRepeated
Start
DS1077
A
CK
A
1
A
2
A
1
A
0
A
0
Starting Byte Address
A
1
A
2
A
3
A
4
A
5
A
6
A
7
A
DS1077
A
CK
NP
Byte N StopMaster
NACK
D1D2D3D4D5D6 D0D7
Byte n
D1D2D3D4D5D6
SDA
SCL
D7 D0
A
Master
A
CK
Byte (n+1)
D1D2D3D4D5D6D7 D0
A
Master
A
CK