Datasheet

TCN75
DS21490D-page 10  2001-2012 Microchip Technology Inc.
5.0 REGISTER SET AND
PROGRAMMER’S MODEL
TABLE 5-2: CONFIGURATION REGISTER
(CONFIG), 8 BITS, READ/
WRITE
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:
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 Register Selection
00 TEMP
01 CONFIG
10 T
HYST
11 T
SET
D
[7]
D
[6]
D
[5]
D
[4]
D
[3]
D
[2]
D
[1]
D
[0]
Must Be Set
To Zero
Fault
Queue
INT/
CMPTR,
Polarity
COM
P/INT
Shut-
down
D4 D3 Number of Conversions
00 1 (Power-up default)
01 2
10 4
11 6