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ADM1025ARQ-REEL Fiches technique(PDF) 6 Page - ON Semiconductor |
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ADM1025ARQ-REEL Fiches technique(HTML) 6 Page - ON Semiconductor |
6 / 21 page ADM1025/ADM1025A Preliminary Technical Data Rev. P5 | Page 6 of 21| www.onsemi.com PIN CONFIGURATION AND FUNCTION DESCRIPTIONS Figure 3.Pin Configuration Table 3. Pin Function Descriptions Pin No. Mnemonic Description 1 SDA Digital I/O. Serial bus bidirectional data. Open-drain output. 2 SCL Digital Input. Serial bus clock. 3 GND System Ground 4 VCC Power. Can be powered by 3.3 V standby power if monitoring in low power states is required. This pin also serves as the analog input to monitor VCC. 5 VID0 Digital Input. Core voltage ID readouts from the processor. This value is read into the VID0−VID3 Status Register. It has an on-chip 100 kΩ pull-up resistor (ADM1025 only). 6 VID1 Digital Input. Core voltage ID readouts from the processor. This value is read into the VID0−VID3 Status Register. It has an on-chip 100 kΩ pull-up resistor (ADM1025 only). 7 VID2 Digital Input. Core voltage ID readouts from the processor. This value is read into the VID0−VID3 Status Register. It has an on-chip 100 kΩ pull-up resistor (ADM1025 only). 8 VID3 Digital Input. Core voltage ID readouts from the processor. This value is read into the VID0−VID3 Status Register. It has an on-chip 100 kΩ pull-up resistor (ADM1025 only). 9 D−/NTI Analog/Digital Input. Connected to cathode of external temperature sensing diode. If held high at power-up, it initiates NAND tree test mode. 10 D+ Analog Input. Connected to anode of external temperature sensing diode. 11 12VIN/VID4 Programmable Analog/Digital Input. Defaults to 12 VIN analog input at power-up but may be pro-grammed as VID4 Core Voltage ID readout from the processor. This value is read into the VID4 Status Register. In analog 12 VIN mode, it has an on-chip voltage attenuator. In VID4 mode, it has an on-chip 300 kΩ pull-up resistor. 12 5VIN Analog Input. Monitors 5 V supply. 13 3.3VIN Analog Input. Monitors 3.3 V supply. 14 2.5VIN Analog Input. Monitors 2.5 V supply. 15 VCCPIN Analog Input. Monitors processor core voltage (0 V to 3.0 V). 16 ADD/RST/INT/NTO Programmable Digital I/O. The lowest order programmable bit of the SMBus Address, sampled on SMB activity as a three-state input. Can also be configured to give a minimum 20 ms low reset output pulse. Alternatively, it can be programmed as an interrupt output for temperature/voltage interrupts. Functions as the output of the NAND tree in NAND tree test mode. |
Numéro de pièce similaire - ADM1025ARQ-REEL |
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Description similaire - ADM1025ARQ-REEL |
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