W83L784R Просмотр технического описания (PDF) - Winbond

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Компоненты Описание

производитель

W83L784R

Winbond H/W Monitoring IC

Winbond 

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

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