TCN75
5.0
REGISTER SET AND
PROGRAMMER’S MODEL
REGISTER (POINT), 8 BITS,
WRITE ONLY
D[5]
D[4]
D[3]
D[2]
D[1]
D[0]
Pointer
D3 – D4: Fault Queue: Number of sequential
temperature-to-digital conversions with the same result
before the INT/CMPTR output is updated:
D4
0
0
1
Register Selection Via the Pointer Register
D1
0
0
1
1
D0
0
1
0
1
Register Selection
TEMP
CONFIG
T
HYST
T
SET
1
D3
0
1
0
1
Number of Conversions
1 (Power-up default)
2
4
6
TABLE 5-1:
D[7] D[6]
Must Be Set To Zero
TABLE 5-2:
CONFIGURATION REGISTER
(CONFIG), 8 BITS, READ/
WRITE
D
[4]
D
[3]
D
[2]
INT/
CMPTR,
Polarity
D
[1]
COM
P/INT
D
[0]
Shut-
down
D
[7]
D
[6]
D
[5]
Must Be Set
To Zero
Fault
Queue
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
DS21490C-page 10
©
2006 Microchip Technology Inc.
MICROCHIP [ MICROCHIP TECHNOLOGY ]
