2015-2016 Microchip Technology Inc. DS20005382C-page 19
MCP9902/3/4
5.6 Register Description
TABLE 5-7: REGISTER SET IN HEXADECIMAL ORDER
Register
Address
Register
Name
Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 Por Value
00h INT TEMP HIGH BYTE IHB7 IHB6 IHB5 IHB4 IHB3 IHB2 IHB1 IHB0 00h
01h EXT1 TEMP HIGH BYTE E1HB7 E1HB6 E1HB5 E1HB4 ETHB3 E1HB2 E1HB1 E1HB0 00h
02h STATUS BUSY IHIGH ILOW EHIGH ELOW FAULT ETHRM ITHRM 00h
03h CONFIG MSKAL R/S AT/THM RECD1 RECD2 RANGE DA_DIS APDD 00h
04h CONVERT SLEEP
CONV3 CONV2 CONV1 CONV0 06h
(4/sec)
05h INT DIODE HI LIMIT TEMP IDHL7 IDHL6 IDHL5 IDHL4 IDHL3 IDHL2 IDHL1 IDHL0 55h
(+85°C)
06h INT DIODE LO LIMIT TEMP IDLL7 IDLL6 IDLL5 IDLL4 IDLL3 IDLL2 IDLL1 IDLL0 00h
(0°C)
07h EXT1 HI LIMIT TEMP HI BYTE E1HLH7 E1HLH6 E1HLH5 E1HLH4 E1HLH3 E1HLH2 E1HLH1 E1HLH0 55h
(+85°C)
08h EXT1 LO LIMIT TEMP HI BYTE E1LLH7 E1LLH6 E1LLH5 E1LLH4 E1LLH3 E1LLH2 E1LLH1 E1LLH0 00h
(0°C)
09h CONFIG MSKAL R/S AT/THM RECD1 RECD2 RANGE DA_DIS APDD 00h
0Ah CONVERT STOP
CONV3 CONV2 CONV1 CONV0 06h
(4/sec)
0Bh INT DIODE HI LIMIT TEMP IDHL7 IDHL6 IDHL5 IDHL4 IDHL3 IDHL2 IDHL1 IDHL0 55h
(+85°C)
0Ch INT DIODE LO LIMIT TEMP IDLL7 IDLL6 IDLL5 IDLL4 IDLL3 IDLL2 IDLL1 IDLL0 00h
(0°C)
0Dh EXT1 HI LIMIT TEMP HI BYTE E1HLH7 E1HLH6 E1HLH5 E1HLH4 E1HLH3 E1HLH2 E1HLH1 E1HLH0 55h
(+85°C)
0Eh EXT1 LO LIMIT TEMP HI BYTE E1LLH7 E1LLH6 E1LLH5 E1LLH4 E1LLH3 E1LLH2 E1LLH1 E1LLH0 00h
(0°C)
0Fh ONE SHOT ONSH7 ONSH6 ONSH5 ONSH4 ONSH3 ONSH2 ONSH1 ONSH0 00h
10h EXT1 TEMP LO BYTE E1LB2 E1LB1 E1LB0
—00h
11h SCRTCHPD1 SPD17 SPD16 SPD15 SPD14 SPD13 SPD12 SPD11 SPD10 00h
12h SCRTCHPD2 SPD27 SPD26 SPD25 SPD24 SPD23 SPD22 SPD21 SPD20 00h
13h EXT1 HI LIM TEMP LO BYTE E1HLL2 E1HLL1 E1HLL0
—00h
14h EXT1 LO LIMIT TEMP LO BYTE E1LLL2 E1LLL1 E1LLL0
—00h
15h EXT2 HI LIMIT TEMP HI BYTE E2HLH7 E2HLH6 E2HLH5 E2HLH4 E2HLH3 E2HLH2 E2HLH1 E2HLH0 55h
(+85°C)
MCP9902/3/4
DS20005382C-page 20 2015-2016 Microchip Technology Inc.
16h EXT2 LO LIMIT TEMP HI BYTE E2LLH7 E2LLH6 E2LLH5 E2LLH4 E2LLH3 E2LLH2 E2LLH1 E2LLH0 00h
(0°C)
17h EXT2 HI LIMIT TEMP LO BYTE E2HLL2 E2HLL1 E2HLL0
—00h
18h EXT2 LO LIMIT TEMP LO BYTE E2LLL2 E2LLL1 E2LLL0
—00h
19h EXT1 THERM LIMIT E1THL7 E1THL6 E1THL5 E1THL4 E1THL3 E1THL2 E1THL1 E1THL0 55h
(+85°C)
1Ah EXT2 THERM LIMIT E2THL7 E2THL6 E2THL5 E2THL4 E2THL3 E2THL2 E2THL1 E2THL0 55h
(+85°C)
1Bh EXT DIODE FAULT STS
E3FLT E2FLT E1FLT —00h
1Fh DIODE FAULT MASK
E3MSK E2MSK E1MSK INTMSK 00h
20h INT DIODE THERM LIMIT IDTHL7 IDTHL6 IDTHL5 IDTHL4 IDTHL3 IDTHL2 IDTHL1 IDTHL0 55h
(+85°C)
21h THRM HYS THMH7 THMH6 THMH5 THMH4 THMH3 THMH2 THMH1 THMH0 0Ah
(+10°C)
22h CONSEC ALRT TMOUT CTHM2 CTHM1 CTHM0 CALRT2 CALRT1 CALRT0
— 70h
23h EXT2 TEMP HI BYTE E2THB7 E2THB6 E2THB5 E2THB4 E2THB3 E2THB2 E2THB1 E2THB0 00h
24h EXT2 TEMP LO BYTE E2TLB2 E2TLB1 E2TLB0
—00h
25h EXT1 BETA CONFIG
ENBL1 BETA12 BETA11 BETA10 08h
26h
EXTD2 BETA CFG
ENBL2 BETA22 BETA21 BETA20 08h
27h EXT1 IDEALITY FACTOR
IDEL15 IDEL14 IDEL13 IDEL12 IDEL11 IDEL10 12h
(1.008)
28h EXT2 IDEALITY FACTOR
IDEL25 IDEL24 IDEL23 IDEL22 IDEL21 IDEL20 12h
(1.008)
29h INT TEMP LO BYTE ITLB2 ITLB1 ITLB0
—00h
2Ah EXT3 TEMP HI BYTE E3THB7 E3THB6 E3THB5 E3THB4 E3THB3 E3THB2 E3THB1 E3THB0 00h
2Bh EXT3 TEMP LO BYTE E3TLB2 E3TLB1 E3TLB0
—00h
2Ch EXT3 HI LIMIT HI BYTE E3HLH7 E3HLH6 E3HLH5 E3HLH4 E3HLH3 E3HLH2 E3HLH1 E3HLH0 55h
(+85°C)
2Dh EXT3 LO LIMIT HI BYTE E3LLH7 E3LLH6 E3LLH5 E3LLH4 E3LLH3 E3LLH2 E3LLH1 E3LLH0 00h
(0°C)
2Eh EXT3 HI LIMIT LO BYTE E3HLL2 E3HLL1 E3HLL0
—00h
2Fh
EXTD3 LO LIMIT LO BYTE
E3LLL2 E3LLL1 E3LLL0 —00h
30h EXT3 THERM LIMIT E3THL7 E3THL6 E3THL5 E3THL4 E3THL3 E3THL2 E3THL1 E3THL0 55h
(+85°C)
TABLE 5-7: REGISTER SET IN HEXADECIMAL ORDER (CONTINUED)
Register
Address
Register
Name
Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 Por Value
2015-2016 Microchip Technology Inc. DS20005382C-page 21
MCP9902/3/4
31h EXT3 IDEALITY FACTOR IDEL35 IDEL34 IDEL23 IDEL32 IDEL31 IDEL30 12h
(1.008)
35h HI LIMIT STATUS
E3HIGH E2HIGH E1HIGH IHIGH 00h
36h LO LIMIT STATUS
E3LOW E2LOW E1LOW ILOW 00h
37h THRM LIMIT STATUS
E3THM E2THM E1THM ITHM 00h
40h FLTR SEL
FLTER1 FLTER0 00h
FDh
PRODUCT ID
(DECODER)
0
0
1 0 0
EXT2_APD_EN
0
EXT2_EN
20h
MCP9903 21h
MCP9904 25h
FEh MANUFACTURER ID 5Dh
FFh REVISION 00h
TABLE 5-7: REGISTER SET IN HEXADECIMAL ORDER (CONTINUED)
Register
Address
Register
Name
Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 Por Value

MCP9902T-AE/RW

Mfr. #:
Manufacturer:
Description:
SENSOR DIGITAL -40C-125C 8WDFN
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
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