Datasheet

© 2009 Microchip Technology Inc. DS22153C-page 17
MCP9843/98243
TABLE 5-1: BIT ASSIGNMENT SUMMARY FOR ALL TEMPERATURE SENSOR REGISTERS
(SEE SECTION 5.4)
Register
Pointer
(Hex)
MSB/
LSB
Bit Assignment
76543210
0x00 MSB 0 0 0 0 0 0 0 0
LSB SHDN Status t
OUT
Range V
HV
Resolution Range Accuracy Event
0x01 MSB 0 0 0 0 0 Hysteresis SHDN
LSB Crt Loc Win Loc Int Clr Evt Stat Evt Cnt Evt Sel Evt Pol Evt Mod
0x02 MSB 0 0 0 SIGN 2
7
°C 2
6
°C 2
5
°C 2
4
°C
LSB 2
3
°C 2
2
°C 2
1
°C 2
0
°C 2
-1
°C 2
-2
°C 0 0
0x03 MSB 0 0 0 SIGN 2
7
°C 2
6
°C 2
5
°C 2
4
°C
LSB 2
3
°C 2
2
°C 2
1
°C 2
0
°C 2
-1
°C 2
-2
°C 0 0
0x04 MSB 0 0 0 SIGN 2
7
°C 2
6
°C 2
5
°C 2
4
°C
LSB 2
3
°C 2
2
°C 2
1
°C 2
0
°C 2
-1
°C 2
-2
°C 0 0
0x05 MSB T
A
≥ T
CRIT
T
A
> T
UPPER
T
A
< T
LOWER
SIGN 2
7
°C 2
6
°C 2
5
°C 2
4
°C
LSB 2
3
°C 2
2
°C 2
1
°C 2
0
°C 2
-1
°C 2
-2
°C 2
-3
°C 2
-4
°C
0x06 MSB 0 0 0 0 0 0 0 0
LSB 0 1 0 1 0 1 0 0
0x07
MCP98243
MSB 0 0 1 0 0 0 0 1
LSB 0 0 0 0 0 0 0 1
0x07
MCP9843
MSB 0 0 0 0 0 0 0 0
LSB 0 0 0 0 0 0 0 1
0x08
LSB 0 0 0 0 0 0 0 1