DS2740 查看數據表（PDF） - Dallas Semiconductor -> Maxim Integrated

零件编号

产品描述 (功能)

生产厂家

DS2740

High-Precision Coulomb Counter

Dallas Semiconductor -> Maxim Integrated 

Figure 10. NET ADDRESS COMMAND FLOW CHART

MASTER Tx

RESET PULSE

DS2740 Tx

PRESENCE PULSE

MASTER Tx NET

ADDRESS

COMMAND

DS2740

33h / 39h NO

READ

55h

NO

MATCH

F0h

NO

SEARCH

CCh

NO

SKIP

A5h

NO

RESUME

YES

DS2740 Tx

FAMILY CODE

1 BYTE

DS2740 Tx

SERIAL NUMBER

6 BYTES

DS2740 Tx

CRC

1 BYTE

YES

MASTER Tx

BIT 0

YES

DS2740 Tx BIT 0

DS2740 Tx BIT 0

MASTER Tx BIT 0

YES

MASTER Tx

FUNCTION

COMMAND

BIT 0

NO NO

MATCH ?

BIT 0

MATCH ?

YES

MASTER Tx

BIT 1

YES

DS2740 Tx BIT 1

DS2740 Tx BIT 1

MASTER Tx BIT 1

YES

RESUME NO

FLAG SET ?

YES

MASTER Tx

FUNCTION

COMMAND

MASTER Tx

FUNCTION

COMMAND

BIT 1

NO NO

MATCH ?

BIT 1

MATCH ?

YES

YES

MASTER Tx

BIT 63

DS2740 Tx BIT 63

DS2740 Tx BIT 63

MASTER Tx BIT 63

SET

RESUME

FLAG

YES

BIT 63

MATCH ?

NO

11 of 15

Share Link: