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Datenblatt-Suchmaschine für elektronische Bauteile |
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Datenblatt-Suchmaschine für elektronische Bauteile |
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ADT7467ARQZ-R7 Datenblatt(PDF) 61 Page - ON Semiconductor |
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ADT7467ARQZ-R7 Datenblatt(HTML) 61 Page - ON Semiconductor |
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61 / 77 page  ADT7467 Rev. 3 | Page 61 of 77 | www.onsemi.com Address R/W Description Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 Default Lock- able temp/TMIN hysteresis 0x6E R/W Remote 2 temp/TMIN hysteresis HYSR2 HYSR2 HYSR2 HYRS RES RES RES RES 0x40 Yes 0x6F R/W XNOR tree test enable RES RES RES RES RES RES RES XEN 0x00 Yes 0x70 R/W Remote 1 temperature offset 7 6 5 4 3 2 1 0 0x00 Yes 0x71 R/W Local temperature offset 7 6 5 4 3 2 1 0 0x00 Yes 0x72 R/W Remote 2 temperature offset 7 6 5 4 3 2 1 0 0x00 Yes 0x73 R/W Configuration Register 2 SHDN CONV ATTN AVG AIN4 AIN3 AIN2 AIN1 0x00 Yes 0x74 R/W Interrupt Mask 1 register OOL R2T LT RIT RES VCC VCCP RES 0x00 0x75 R/W Interrupt Mask 2 register D2 D1 F4P FAN3 FAN2 FAN1 OVT RES 0x00 0x76 R/W Extended Resolution 1 RES RES VCC VCC VCCP VCCP RES RES 0x00 0x77 R/W Extended Resolution 2 TDM2 TDM2 LTMP LTMP TDM1 TDM1 RES RES 0x00 0x78 R/W Configuration Register 3 DC4 DC3 DC2 DC1 FAST BOOST THERM ALERT Enable 0x00 Yes 0x79 R THERM timer status register TMR TMR TMR TMR TMR TMR TMR ASRT/TMR0 0x00 0x7A R/W THERM timer limit register LIMT LIMT LIMT LIMT LIMT LIMT LIMT LIMT 0x00 0x7B R/W TACH pulses per revolution FAN4 FAN4 FAN3 FAN3 FAN2 FAN2 FAN1 FAN1 0x55 0x7C R/W Configuration Register 5 RES RES RES RES GPIOP GPIOD LF/HF Twos Compl 0x00 Yes 0x7D R/W Configuration Register 4 RES RES BpAtt VCCP RES AINL AINL Pin 9 Func Pin 9 Func 0x00 Yes 0x7E R Manufacturer’s Test Register 1 Do not write to these registers 0x00 Yes 0x7F R Manufacturer’s Test Register 2 Do not write to these registers 0x00 Yes Table 18. Voltage Reading Registers (Power-On Default = 0x00)1 Register Address R/W Description 0x21 Read only Reflects the voltage measurement2 at the VCCP input on Pin 14 (8 MSBs of reading). 0x22 Read only Reflects the voltage measurement3 at the VCC input on Pin 3 (8 MSBs of reading). 1 If the extended resolution bits of these readings are also being read, the extended resolution registers (0x76, 0x77) must be read first. Once the extended resolution registers have been read, the associated MSB reading registers are frozen until read. Both the extended resolution registers and the MSB registers are frozen. 2 If VCCPLO (Bit 1 of the Dynamic TMIN Control Register 1, 0x36) is set, VCCP can control the sleep state of the ADT7467. 3 VCC (Pin 3) is the supply voltage for the ADT7467. Table 19. Temperature Reading Registers (Power-On Default = 0x01)1, 2 Register Address R/W Description 0x25 Read only Remote 1 temperature reading3, 4 (8 MSBs of reading). 0x26 Read only Local temperature reading (8 MSBs of reading). 0x27 Read only Remote 2 temperature reading (8 MSBs of reading). 1 These temperature readings can be in twos complement or Offset 64 format; this interpretation is determined by Bit 0 of Configuration Register 5 (0x7C). 2 If the extended resolution bits of these readings are also being read, the extended resolution registers (0x76, 0x77) must be read first. Once the extended resolution registers have been read, all associated MSB reading registers are frozen until read. Both the extended resolution registers and the MSB registers are frozen. 3 In twos complement mode, a temperature reading of −128°C (0x80) indicates a diode fault (open or short) on that channel. 4 In Offset 64 mode, a temperature reading of −64°C (0x00) indicates a diode fault (open or short) on that channel. |
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