1°C Multiple Temperature Sensor with Beta Compensation and Hottest of Thermal Zones
Datasheet
Bit 2 - E2HIGH - This bit is set when the External Diode 2 channel meets or exceeds its programmed
high limit.
Bit 1 - E1HIGH - This bit is set when the External Diode 1 channel meets or exceeds its programmed
high limit.
Bit 0 - IHIGH - This bit is set when the Internal Diode channel meets or exceeds its programmed high
limit.
5.14 Low Limit Status Register
Table 5.19 Low Limit Status Register
ADDR.
R/W
REGISTER
B7
B6
B5
B4
B3
B2
B1
B0
DEFAULT
36h
R-C
Low Limit
Status
-
E6
LOW
E5
LOW
E4
LOW
E3
LOW
E2
LOW
E1
LOW
ILOW
00h
The Low Limit Status Register contains the status bits that are set when a temperature channel drops
below the low limit for a number of consecutive readings as set by the consecutive alert counts (see
Section 5.9). If any of these bits are set, then the LOW status bit in the Status Register is set. Reading
from the Low Limit Status Register will clear all bits if the error condition has been removed. Reading
from the register will also clear the LOW status bit in the Status Register.
Bit 6 - E6LOW - This bit is set when the External Diode 6 channel drops below its programmed low
limit.
Bit 5- E5LOW - This bit is set when the External Diode 5 channel drops below its programmed low limit.
Bit 4 - E4LOW - This bit is set when the External Diode 4 channel drops below its programmed low
limit.
Bit 3 - E3LOW - This bit is set when the External Diode 3 channel drops below its programmed low
limit.
Bit 2 - E2LOW - This bit is set when the External Diode 2 channel drops below its programmed low
limit.
Bit 1 - E1LOW - This bit is set when the External Diode 1 channel drops below its programmed low
limit.
Bit 0 - ILOW - This bit is set when the Internal Diode channel drops below its programmed low limit.
5.15 REC Configuration Register
Table 5.20 REC Configuration Register
ADDR
R/W
REGISTER
B7
B6
B5
B4
B3
B2
B1
B0
DEFAULT
39h
R/W
REC Config
-
E6_
REC_n
E5_
REC_n
E4_
REC_n
E3_
REC_n
E2_
REC_n
E1_
REC_n
-
00h
The REC Control Register controls the Resistance Error Correction circuitry for each of the external
diode channels.
Bits 6 - 0 - Ex_REC_n (EMC1047 only) - Disables the Resistance Error Correction (REC) for the
External Diode X channel. Note that E6_REC_n can only be written for the EMC1047 only
Revision 0.69 (06-29-09)
SMSC EMC1046/EMC1047
DATA3S2HEET
SMSC [ SMSC CORPORATION ]
