W83L784R_05 Datasheet, PDF (13/52 Pages) Winbond – Monitoring IC

W83L784R/ W83L784G
(c) Typical read 1-byte from configuration register with preset pointer
0
SCL
780
78
SDA
1
Start By
Master
0 0 1 A2 A1 A0 R/W
D7 D6 D5 D4 D3 D2 D1 D0
Frame 1
Serial Bus Address Byte
Ack
by
Frame 2
782D
Data Byte
No Ack
by
Master
Stop by
Master
Figure 6. Typical 1-Byte Read From Configuration With Preset Pointer
(d) Typical pointer set followed by immediate read from configuration register
0
SCL
780
4
78
...
SDA
1 0 0 1 A2 A1 A0 R/W
0 0 0 0 0 0 D1 D0
...
Start By
Master
Frame 1
Ack
Ack
by
Frame 2
by
Serial Bus Address Byte
784R
Pointer Byte
784R
0
SCL (Cont..)
SDA (Cont..)
1
Repea
Start
By
Master
780
78
0 0 1 A2 A1 A0 R/W
D7 D6 D5 D4 D3 D2 D1 D0
Frame 3
Serial Bus Address Byte
Ack
by
Frame 4
784R
MSB Data Byte
No Ack
by
Master
Stop by
Master
Figure 7. Typical Pointor Set Followed by Immediate Read from Temp 2/3 Configuration Register
(e) Temperature configuration register Write
0
SCL
780
4
78
SDA
1 0 0 1 A2 A1 A0 R/W 0 0 0 0 0 0 0 D1 D0
Start By
Master
Frame 1
Ack
Ack
by
Frame 2
by
Serial Bus Address Byte
784R
Pointer Byte
784R
SCL (Cont...)
SDA (Cont...)
0
78
0 0 0 D4 D3 D2 D1 D0
Frame 3
Configuration Data Byte
Ack
by
784R
Stop
by
Master
Figure 8. Configuration Register Write
Publication Release Date: Jan. 2005
-8-
Revision 1.1