Figure 6. configuration register – Rainbow Electronics DS1726 User Manual

Page 9

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DS1626/DS1726

9 of 13

Figure 5. THERMOSTAT OUTPUT OPERATION

CONFIGURATION REGISTER

The configuration register allows the user to customize the DS1626/DS1726 conversion and
thermostat options. It also provides information to the user about conversion status, EEPROM activity,
and thermostat activity. The configuration register is arranged as shown in Figure 6 and detailed
descriptions of each bit are provided in Table 5. This register can be accessed using the Read Config
and Write Config commands. Note that the R1, R0, CPU, and 1SHOT bits are stored in EEPROM and
all other configuration register bits are SRAM.

Figure 6. CONFIGURATION REGISTER

MSb

bit 6

bit 5

bit 4

bit 3

bit 2

bit 1

LSb

DONE

THF

TLF

NVB

R1*

R0*

CPU* 1SHOT*

*NV (EEPROM)

T

L

T

H

TEMP

LOGIC 0

LOGIC 1

T

COM

TEMP

LOGIC 0

LOGIC 1

T

HIGH

TEMP

LOGIC 0

LOGIC 1

T

LOW

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