DS1077U-66 Maxim Integrated Products, DS1077U-66 Datasheet - Page 11
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DS1077U-66
Manufacturer Part Number
DS1077U-66
Description
Timers & Support Products EconOscillator-Divid onOscillator-Divider
Manufacturer
Maxim Integrated Products
Datasheet
1.DS1077Z-125TR.pdf
(21 pages)
2-WIRE SERIAL COMMUNICATION WITH DS1077 Figure 3
SDA
SDA
SDA
SDA
SCL
SCL
SCL
SCL
SDA
SCL
Write MSB of a Two-Byte Register
Write to a Two-Byte Register
Write a Single Byte to an Addressed Register
Write Multiple Bytes to an Addressed Register
Start
Start
Start
Start
SDA
SCL
S
S
S
S
Send a “Standalone” Command
Start
S
1
1
1
1
1
0
0
0
0
0
Address Byte
Address Byte
D7
1
1
1
Control Byte
Control Byte
1
1
1
1
1
Address Byte
1
D6
1
A2 A1 A0
A2 A1 A0
A2 A1 A0
A2 A1 A0
D5
Byte (n+1)
A2 A1 A0
D4
D3
W
W
W
W
D2
DS1077
DS1077
DS1077
DS1077
W
ACK
ACK
ACK
ACK
A
A
A
A
D1
DS1077
ACK
C7
C7
C7
C7
A
D0
DS1077
C7
C6
C6
C6
C6
ACK
A
C6
C5
C5
C5
C5
Command Byte
Command Byte
Command Byte
Command Byte
C5
Command Byte
C4
C4
C4
C4
C4
C3
C3
C3
C3
D7
C3
C2
C2
C2
C2
D6
C2
C1
C1
C1
C1
D5
C1
C0
C0
C0
C0
DS1077
DS1077
DS1077
DS1077
D4
Byte N
ACK
ACK
ACK
ACK
C0
A
A
A
A
DS1077
D3
ACK
D7
D7
A7
A7
A
11 of 21
D2
D6
D6
A6
A6
Starting Byte Address
Stop
D1
P
D5
D5
A5
A5
Byte Address
D0
DS1077
MSByte
MSByte
D4
D4
A4
A4
ACK
A
D3
D3
A3
A3
D2
D2
A2
A2
Stop
P
D1
D1
A1
A1
D0
D0
A0
A0
DS1077
DS1077
DS1077
DS1077
ACK
ACK
ACK
ACK
A
A
A
A
D7
D7
D7
Stop
P
D6
D6
D6
D5
D5
D5
Data Byte
D4
D4
D4
LSByte
Byte n
D3
D3
D3
D2
D2
D2
D1
D1
D1
D0
D0
D0
DS1077
DS1077
DS1077
ACK
ACK
ACK
A
A
A
Stop
Stop
P
P
DS1077