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MAX6655EVKIT

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18
MAX6655/MAX6656
Dual Remote/Local Temperature Sensors and
Four-Channel Voltage Monitors
______________________________________________________________________________________ 13
REGISTER ADDRESS POR STATE FUNCTION
RLTS 00h 0000 0000 Read Internal Temperature
RRTE 01h 0000 0000 Read External Temperature 1
RSL 02h 0000 0000 Read Status Byte; Note 1
RCL 03h 0000 0000 Read Configuration Byte
RCRA 04h 0000 0010 Read Conversion Rate Byte
RLHN 05h 0111 1111 Read Internal ALERT High Limit
RLLI 06h 1100 1001 Read Internal ALERT Low Limit
RRHI 07h 0111 1111 Read External Temperature 1 ALERT High Limit
RRLS 08h 1100 1001 Read External Temperature 1 ALERT Low Limit
WCA 09h N/A Write Configuration Byte
WCRW 0Ah N/A Write Conversion Rate Control Byte
WLHO 0Bh N/A Write Internal ALERT High Limit
WLLM 0Ch N/A Write Internal ALERT Low Limit
WRHA 0Dh N/A Write External Temperature 1 ALERT High Limit
WRLN 0Eh N/A Write External Temperature 1 ALERT Low Limit
RRET1 10h 0000 0000 Read External 1 Extended Temperature
RRET2 11h 0000 0000 Read External 2 Extended Temperature
RLET 12h 0000 0000 Read Internal Extended Temperature
RRT2 13h 0000 0000 Read External Temperature 2
RRHL2 14h 0111 1111 Read External Temperature 2 ALERT High Limit
RRLL2 15h 1100 1001 Read External Temperature 2 ALERT Low Limit
RLOL 16h 0111 1111 Read Internal OVERT Limit
RLOL1 17h 0111 1111 Read External 1 OVERT Limit
RLOL2 18h 0111 1111 Read External 2 OVERT Limit
WLOL 19h N/A Write Internal OVERT Limit
WROL1 1Ah N/A Write External 1 OVERT Limit
WROL2 1Bh N/A Write External 2 OVERT Limit
WRH2 1Ch N/A Write External Temperature 2 ALERT High Limit
WRL2 1Dh N/A Write External Temperature 2 ALERT Low Limit
WV0HL 1Eh N/A Write V
CC
(V
IN2
) ALERT High Limit for MAX6655 (MAX6656)
WV0LL 1Fh N/A Write V
CC
(V
IN2
) ALERT Low Limit for MAX6655 (MAX6656)
WV1HL 20h N/A Write V
IN1
ALERT High Limit
WV1LL 21h N/A Write V
IN1
ALERT Low Limit
WV2HL 22h N/A Write V
IN2
(V
CC
) ALERT High Limit for MAX6655 (MAX6656)
WV2LL 23h N/A Write V
IN2
(V
CC
) ALERT Low Limit for MAX6655 (MAX6656)
WV3HL 24h N/A Write V
IN3
ALERT High Limit
WV3LL 25h N/A Write V
IN3
ALERT Low Limit
RV0HL 26h 1101 0011 Read V
CC
(V
IN2
) ALERT High Limit for MAX6655 (MAX6656)
RV0LL 27h 1010 1101 Read V
CC
(V
IN2
) ALERT Low Limit for MAX6655 (MAX6656)
Table 6. Command Byte Register Map
MAX6655/MAX6656
Dual Remote/Local Temperature Sensors and
Four-Channel Voltage Monitors
14 ______________________________________________________________________________________
REGISTER ADDRESS POR STATE FUNCTION
RV1HL 28h 1101 0011 Read V
IN1
ALERT High Limit
RV1LL 29h 1010 1101 Read V
IN1
ALERT Low Limit
RV2HL 2Ah 1101 0011 Read V
IN2
(V
CC
) ALERT High Limit for MAX6655 (MAX6656)
RV2LL 2Bh 1010 1101 Read V
IN2
(V
CC
) ALERT Low Limit for MAX6655 (MAX6656)
RV3HL 2Ch 1101 0011 Read V
IN3
ALERT High Limit
RV3LL 2Dh 1010 1101 Read V
IN3
ALERT Low Limit
RV0 2Eh 0000 0000 Read V
CC
(V
IN2
) for MAX6655 (MAX6656)
RV1 2Fh 0000 0000 Read V
IN1
RV2 30h 0000 0000 Read V
IN2
(V
CC
) for MAX6655 (MAX6656)
RV3 31h 0000 0000 Read V
IN3
RSL2 32h 0000 0000 Read Status Byte 2
RCL2 33h 0000 0000 Read Configuration Byte 2
WCA2 34h N/A Write Configuration Byte 2
RDID FEh 0000 1010 Read Device ID
RDRV FFh 0100 1101 Read Manufacture ID
Table 6. Command Byte Register Map (continued)
BIT NAME
POR
STATE
FUNCTION
7 (MSB) Mask All 0 Masks out all ALERT interrupts if high.
6 RUN/STOP 0
Standby mode control bit; if high, the device immediately stops converting and
enters standby mode. If low, the device enters normal conversion mode.
5
Mask Remote
Temperature 1
0 High masks out OVERT and ALERT interrupts due to remote-diode 1.
4
Mask Remote
Temperature 2
0 High masks out OVERT and ALERT interrupts due to remote-diode 2.
3 Mask V
IN3
0 High masks ALERT interrupts due to V
IN3
.
2 Mask V
IN2
0 High masks ALERT interrupts due to V
IN2
(V
CC
) for MAX6655 (MAX6656).
1 Mask V
IN1
0 High masks ALERT interrupts due to V
IN1
.
0 Mask V
CC
0 High masks ALERT interrupts due to V
CC
(V
IN2
) for MAX6655 (MAX6656).
Table 7. Configuration Byte 1 Bit Assignments
Note 1: Upon application of power, the ADC begins converting. The MSB of the Status Byte register indicates a conversion in
progress. The Status Byte has a value of 80h during conversions and a value of 00h between conversions. Therefore, at power-on,
the Status Byte alternates between 00h and 80h.
MAX6655/MAX6656
Dual Remote/Local Temperature Sensors and
Four-Channel Voltage Monitors
______________________________________________________________________________________ 15
BIT NAME
POR
STATE
FUNCTION
7 (MSB)
Disable Remote
Temperature 1
Measurement
0 If high, the remote temperature 1 measurement is disabled.
6
Disable Remote
Temperature 2
Measurement
0 If high, the remote temperature 2 measurement is disabled.
5
Disable Internal
Temperature
Measurement
0 If high, the internal temperature measurement is disabled.
4
Disable V
IN3
Measurement
0 If high, the input voltage V
IN3
measurement is disabled.
3
Disable V
IN2
Measurement
0
If high, the input voltage V
IN2
(V
CC
) measurement is disabled for MAX6655
(MAX6656).
2
Disable V
IN1
Measurement
0 If high, the input voltage V
IN1
measurement is disabled.
1
Disable V
CC
Measurement
0
If high, the input voltage V
CC
(V
IN2
) measurement is disabled for MAX6655
(MAX6656).
0 Reserved 0 Reserved for future use.
Table 8. Configuration Byte 2-Bit Assignments
BIT NAME
POR STATE
FUNCTION
7 (MSB) BUSY 0 ADC is busy converting when high.
6 LHIGH 0
Internal high-temperature ALERT has tripped when high; cleared by POR or
readout of the entire Status Byte.
5 LLOW 0
Internal low-temperature ALERT has tripped when high; cleared by POR or
readout of the entire Status Byte.
4 RHIGH 0
External 1 high-temperature ALERT has tripped when high; cleared by POR or
readout of the entire Status Byte.
3 RLOW 0
External 1 low-temperature ALERT has tripped when high; cleared by POR or
readout of the entire Status Byte.
2 DODS1 0 A high indicates external diode 1 open/short.
1 R2HIGH 0
External 2 high-temperature ALERT has tripped when high; cleared by POR or
readout of the entire Status Byte.
0 R2LOW 0
External 2 low-temperature ALERT has tripped when high; cleared by POR or
readout of the entire Status Byte.
Table 9. Status Byte 1-Bit Assignments
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18

MAX6655EVKIT

Mfr. #:
Buy MAX6655EVKIT
Manufacturer:
Maxim Integrated
Description:
Temperature Sensor Development Tools Eval Kit/System Kit MAX6655-6656 (Dual Remote/Local Temperature Sensors& Four-Channel Voltage Monitors)
Lifecycle:
New from this manufacturer.
Delivery:
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