Rainbow-electronics DS1631 Manual de usuario descargar pdf (Pagina 10)

DS1631

10 of 14

DS1631 COMMAND SET

The DS1631 command set is detailed below and is summarized in Table 6.

Start Convert T [ 51h ]

Initiates temperature conversions. If the part is in one-shot mode (1SHOT = 1), only one conversion will

be performed. In continuous mode (1SHOT = 0), continuous temperature conversions will be performed

until a Stop Convert T command is issued.

Stop Convert T [ 22h ]

Stops temperature conversions when the device is in continuous conversion mode (1SHOT = 0).

Read Temperature [ AAh ]

Reads last converted temperature value from the 2-byte temperature register.

Access TH [ A1h ]

Reads or writes the 2-byte T

Access TL [ A2h ]

Reads or writes the 2-byte T

Access Config [ ACh ]

Reads or writes the 1-byte configuration register.

Software POR [ 54h ]

Initiates a software power-on reset (POR).

DS1631 COMMAND SET Table 6

Command Description Protocol

2-Wire Bus Activity

After Command is

Issued

Notes

TEMPERATURE

Start Convert T Initiates temperature

conversions.

51h Idle

Stop Convert T Halts temperature conversions. 22h Idle

Read

Temperature

Reads last converted

temperature value from

temperature register.

AAh Two data bytes are

transmitted by the

DS1631.

THERMOSTAT

Access TH Reads or writes the T

transmitted.

2, 3

Access TL Reads or writes the T

transmitted.

2, 3

Access Config Reads or writes the

configuration register.

ACh One data byte is

transmitted.

2, 3

OTHER

Software POR Initiates a software power-on

reset.

54h Idle

1 2 ... 5 6 7 8 9 10 11 12 13 14

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Rainbow-electronics DS1631 Manual de usuario Pagina 10

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