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MAX6633MSA View Datasheet(PDF) - Maxim Integrated

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MAX6633MSA Datasheet PDF : 16 Pages
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MAX6633/MAX6634/
MAX6635
12-Bit Plus Sign Temperature Sensors
with SMBus/I2C-Compatible Serial Interface
Table 2. Pointer Register Bit Assignments
ADDRESS
00h
01h
02h
03h
04h
05h
DESCRIPTION
Temperature register
(READ only)
Configuration-Byte
register
THYST register
TMAX register
TLOW register
THIGH register
POR STATE
0000h
00h
0100h
2800h
0500h
2000h
Table 3. Temperature Register
D15 D14 D13 D12 D11 D10 D9
MSB Bit
(Sign) 12
Bit
11
Bit
10
Bit 9 Bit 8 Bit 7
D15: MSB is the first sign bit.
D2, D1, D0: Flag bits for TMAX, THIGH, TLOW.
1 LSB = 0.0625°C.
Temperature is stored in two's complement format.
D8
Bit 6
D7
Bit 5
D6
Bit 4
D5
Bit 3
D4
Bit 2
D3
Bit 1
D2
TMAX
D1
THIGH
D0
TLOW
Table 4. Configuration Register
D7
D6
D5
D4
0
0
SMB Timeout Fault Queue
Disable
Enable
Power-on default = 0h.
D0: 0 = normal operation; 1 = shutdown.
D1: 0 = comparator mode; 1 = interrupt mode.
D2 to D3: 0 = active low; 1 = active high.
D5: 0 = normal SMBus operation; 1 = full I2C compatibility.
D7 to D6: Reserved locations, always write zeros.
D3
ALERT Po-
larity
D2
OVERT Polar-
ity
D1
Comparator or
Interrupt
D0
Shutdown
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