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TCN75_13 Datasheet, PDF (10/20 Pages) Microchip Technology – 2-Wire Serial Temperature Sensor and Thermal Monitor
TCN75
5.0 REGISTER SET AND
PROGRAMMER’S MODEL
TABLE 5-1: REGISTER (POINT), 8 BITS,
WRITE ONLY
D[7] D[6] D[5] D[4] D[3] D[2] D[1] D[0]
Must Be Set To Zero
Pointer
Register Selection Via the Pointer Register
D1 D0
0
0
0
1
1
0
1
1
Register Selection
TEMP
CONFIG
THYST
TSET
TABLE 5-2:
DD D
[7] [6] [5]
Must Be Set
To Zero
CONFIGURATION REGISTER
(CONFIG), 8 BITS, READ/
WRITE
DD
D
[4] [3] [2]
D
D
[1] [0]
Fault
Queue
INT/ COM Shut-
CMPTR, P/INT down
Polarity
D0: Shutdown:
0 = Normal Operation
1 = Shutdown Mode
D1: CMPTR/INT:
0 = Comparator Mode
1 = Interrupt Mode
D2: INT/CMPTR POLARITY:
0 = Active Low
1 = Active High
D3 – D4: Fault Queue: Number of sequential
temperature-to-digital conversions with the same result
before the INT/CMPTR output is updated:
D4 D3
00
01
10
11
Number of Conversions
1 (Power-up default)
2
4
6
DS21490D-page 10
 2001-2012 Microchip Technology Inc.