Rainbow-electronics DS2781 Manual de usuario descargar pdf (Pagina 28)

DS2781: Two-Cell Standalone Fuel Gauge IC

28 of 30

Figure 21. Net Address Command Flow Chart

MASTER TX

RESET PULSE

DS2781 Tx

PRESENCE PULSE

MASTER Tx NET

ADDRESS

COMMAND

55h

MATCH

33h / 39h

READ

F0h

SEARCH

CCh

SKIP

DS2781 Tx

FAMILY CODE

1 BYTE

DS2781 Tx

SERIAL NUMBER

6 BYTES

DS2781 Tx

CRC

1 BYTE

MASTER TX

BIT 0

BIT 0

MATCH ?

MASTER TX

BIT 1

DS2781 Tx BIT 0

DS2781 Tx BIT 0

MASTER Tx BIT 0

BIT 0

MATCH ?

DS2781 Tx BIT 1

DS2781 Tx BIT 1

MASTER Tx BIT 1

BIT 1

MATCH ?

BIT 1

MATCH ?

MASTER TX

FUNCTION

COMMAND

MASTER TX

BIT 63

DS2781 Tx BIT 63

DS2781 Tx BIT 63

MASTER Tx BIT 63

BIT 63

MATCH ?

MASTER TX

FUNCTION

COMMAND

YES

N

O

N

O

N

O

N

O

YESYES YES

N

O

N

O

N

O

N

O

YESYES

YESYES

N

O

YES

A5h

RESUME

YES

N

O

RESUME

FLAG SET ?

MASTER TX

FUNCTION

COMMAND

YES

N

O

SET

RESUME

FLAG

CLEAR RESUME

CLEAR RESUME

CLEAR RESUME

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