DS1626 Dallas, DS1626 Datasheet - Page 9

• Manufacturer Part Number: DS1626
• Description: High-Precision 3-Wire Digital Thermometer and Thermostat
• Manufacturer: Dallas

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
*NV (EEPROM)
T
T
T
DONE
COM
HIGH
LOW
MSb
LOGIC 0
LOGIC 0
LOGIC 0
LOGIC 1
LOGIC 1
LOGIC 1
THF
bit 6
TLF
bit 5
T
L
NVB
bit 4
9 of 13
R1*
bit 3
T
H
R0*
bit 2
CPU* 1SHOT*
bit 1
TEMP
TEMP
TEMP
LSb