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MP3924 Datasheet(PDF) 30 Page - Monolithic Power Systems |
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MP3924 Datasheet(HTML) 30 Page - Monolithic Power Systems |
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30 / 56 page  MP3924 – QUAD-PORT IEEE 802.3AF/AT PSE CONTROLLER MP3924 Rev. 1.0 MonolithicPower.com 30 7/16/2021 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. © 2021 MPS. All Rights Reserved. REGISTER DESCRIPTION Register Map Addr Register Type D7 D6 D5 D4 D3 D2 D1 D0 Reset State Interrupt Register 00h INTERRUPT R VINF STF OCP CLSC DETC DCDIS PGC PEC 1000 0000 01h INTERRUPT_ MASK R/W VINF_ M STF_ M OCP_ M CLSC_ M DETC_ M DCDIS_ M PGC_ M PEC_ M 1A A0 0A00 (11) 02h INTERRUPT_ PRIORITY R/W VINF_ P STF_ P OCP_ P CLSC_ P DETC_ P DCDIS_ P PGC_ P PEC_ P 1010 0000 Configuration Register 03h MODE_SETTING R/W MODE4 MODE3 MODE2 MODE1 AAAA AAAA (11) 04h MIDSPAN_ SETTING R/W - - - - MID4 MID3 MID2 MID1 0000 MMMM (11) 05h PORT_ENABLE R/W - - - ENAL EN4 EN3 EN2 EN1 0001 1111 06h DET/CLS_ENABLE R/W CLSEN 4 LCSEN 3 CLSEN 2 CLSEN 1 DETEN 4 DETEN3 DETEN 2 DETEN 1 AAAA AAAA (11) 07h DISCONNECT_ ENABLE R/W - - - - DISEN 4 DISEN3 DISEN 2 DISEN1 0000 AAAA (11) 08h FAULT_TIMER R/W TPMAX TINRUSH TILIM TCUT 1010 1110 09h RESERVED - - - - - - - - - 0000 0000 0Ah RESERVED - - - - - - - 0000 0000 0Bh FOLDBACK_ILIM R/W - - - - - - - FBLIMT 0000 0001 0Ch 2-EVENT_CLASS_ 5_ENABLE R/W CLS5_ EN4 CLS5_ EN3 CLS5_ EN2 CLS5_ EN1 2EVNT EN4 2EVNTEN3 2EVNT EN2 2EVNT EN1 CCCC AAAA (11) 0Dh PMAX_ SHUTDOWN_ PRIORITY R/W PRTY4 PRTY3 PRTY3 PRTY1 1110 0100 0Eh INTERRUPT_ ENABLE R/W - - - - - CLRPIN CLRAI NT INTEN 0000 0001 0Fh GENERAL_ CONTROL R/W - - - - - PMAXEN ADCEN WDEN 0000 0A 10 (11) Manual Control Register 10h DET/CLS_ TRIGGER R/W RCLS4 RCLS3 RCLS2 RCLS1 RDET4 RDET3 RDET2 RDET1 0000 0000 11h POWER_ON/OFF_ TRIGGER R/W POFF4 POFF3 POFF2 POFF1 PON4 PON3 PON2 PON1 0000 0000 12h LEGACY_ENABLE R/W LEGEN4 LEGEN3 LEGEN2 LEGEN1 0000 0000 Current Limit Configuration Register 13h ICUT1_ THRESHOLD R/W - - - - - ICUT1 0000 0000 14h ICUT2_ THRESHOLD R/W - - - - - ICUT2 0000 0000 15h ICUT3_ THRESHOLD R/W - - - - - ICUT3 0000 0000 16h ICUT4_ THRESHOLD R/W - - - - - ICUT4 0000 0000 17h ILIM1_ THRESHOLD R/W - - - - - - - ILIM1 0000 0000 18h ILIM2_ THRESHOLD R/W - - - - - - - ILIM2 0000 0000 19h ILIM3_ THRESHOLD R/W - - - - - - - ILIM3 0000 0000 1Ah ILIM4_ THRESHOLD R/W - - - - - - - ILIM4 0000 0000 Status Register 20h POWER_ SOURCE_ STATUS1 R FETF4 FETF3 FETF2 FETF1 VCCUV OTP VINOV VINUV 0000 1001 21h R/C (12) 22h POWER_ SOURCE_ STATUS2 R - - - - - - VINOK OVP MAX 0000 0000 23h R/C (12) 24h DET/CLS_ COMPLETE_ STATUS R R/C (12) CLSC4 CLSC3 CLSC2 CLSC1 DETC4 DETC3 DETC2 DETC1 0000 0000 25h 26h DET/CLS_ RESULT_1 R CLSR1 2EVNT C1 DETR1 0000 0000 27h DET/CLS_ RESULT_2 R CLSR2 2EVNT C2 DETR2 0000 0000 28h DET/CLS_ RESULT_3 R CLSR3 2EVNT C3 DETR3 0000 0000 29h DET/CLS_ RESULT_4 R CLSR4 2EVNT C4 DETR4 0000 0000 2Ah POWER_STATUS R PG4 PG3 PG2 PG1 PEN4 PEN3 PEN2 PEN1 0000 0000 2Bh POWER_ STATUS_ CHANGE R PGC4 PGC3 PGC2 PGC1 PEC4 PEC3 PEC2 PEC1 0000 0000 2Ch R/C (12) |
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