12-Bit Plus Sign Temperature Sensors with
SMBus/I2C-Compatible Serial Interface
SDA
INTERFACE
SCL
DATA
ADDRESS
POINTER REGISTER
(SELECTS REGISTER FOR
COMMUNICATION)
TEMPERATURE
(READ ONLY)
POINTER = 00h
THYST SET POINT
(READ/WRITE)
POINTER = 02h
(MAX6634/MAX6635 ONLY)
CONFIGURATION
(READ/WRITE, SETS OPERATING
MODES)
POINTER = 01h
TMAX SET POINT
(READ/WRITE)
POINTER = 03h
(MAX6635 ONLY)
TLOW SET POINT
(READ/WRITE)
POINTER = 04h
(MAX6634/MAX6635 ONLY)
THIGH SET POINT
(READ/WRITE)
POINTER = 05h
(MAX6634/MAX6635 ONLY)
Figure 8. MAX6633/MAX6634/MAX6635 Programmer’s Model
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