MAX1668_00 Datasheet, PDF (14/16 Pages) Maxim Integrated Products – Multichannel Remote/Local Temperature Sensor

Multichannel Remote/Local
Temperature Sensor
Table 5. Configuration Byte Bit Assignments
BIT
7 (MSB)
6
5
4
3
2
0
1
NAME
MASKALL
RUN/STOP
MASK4*
MASK3*
MASK2
MASK1
IBIAS1
IBIAS0
POR
0
0
0
0
0
0
0
0
FUNCTION
Masks all ALERT interrupts when high.
Standby mode control bit. If high, the device immediately stops converting and
enters stand-by mode. If low, the device converts.
Masks remote DX4 interrupts when high.
Masks remote DX3 interrupts when high.
Masks remote DX2 interrupts when high.
Masks remote DX1 interrupts when high.
Medium/low-bias control bit. High = low bias, low = medium bias. IBIAS0 must be
low.
High-bias control bit. High bias on DXP_ when high. Overrides IBIAS1.
*Not available for MAX1805.
Table 6. Status Byte Bit 1 Assignments
BIT
7 (MSB)
6
5
4
3
2
1
0
NAME
BUSY
LHIGH†
LLOW†
OPEN†
ALARM†
N/A
N/A
N/A
FUNCTION
A high indicates that the ADC is busy converting.
A high indicates that the local high-temperature alarm has activated.
A high indicates that the local low-temperature alarm has activated.
A high indicates one of the remote-diode continuity (open-circuit) faults
A high indicates one of the remote-diode channels has over/undertemperature alarm.
N/A
N/A
N/A
†These flags stay high until cleared by POR, or until the status byte register is read.
Table 7. Status Byte 2 Bit Assignments
BIT
7 (MSB)
6
5
4
3
2
1
0
NAME
RLOW1
RHIGH1
RLOW2
RHIGH2
RLOW3*
RHIGH3*
RLOW4*
RHIGH4*
FUNCTION
A high indicates that the DX1 low-temperature alarm has activated.
A high indicates that the DX1 high-temperature alarm has activated.
A high indicates that the DX2 low-temperature alarm has activated.
A high indicates that the DX2 high-temperature alarm has activated.
A high indicates that the DX3 low-temperature alarm has activated.
A high indicates that the DX3 high-temperature alarm has activated.
A high indicates that the DX4 low-temperature alarm has activated.
A high indicates that the DX4 high-temperature alarm has activated.
Note: All flags in this byte stay high until cleared by POR or until the status byte is read.
*Not available for MAX1805.
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