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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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INA237 датащи(PDF) 22 Page - Texas Instruments |
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INA237 датащи(HTML) 22 Page - Texas Instruments |
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22 / 48 page  transmission speeds up to 2.94 MHz are allowed. Instead of using a stop condition, use repeated start conditions to maintain the bus in HS-mode. A stop condition ends the HS-mode and switches all the internal filters of the device to support the F/S mode. 7.5.1.3 SMBus Alert Response The INA237-Q1 is designed to respond to the SMBus Alert Response address. The SMBus Alert Response provides a quick fault identification for simple secondary devices. When an Alert occurs, the main device can broadcast the Alert Response secondary device address (0001 100) with the Read/Write bit set high. Following this Alert Response, any secondary device that generates an alert identifies itself by acknowledging the Alert Response and sending its address on the bus. The Alert Response can activate several different slave devices simultaneously, similar to the I2C General Call. If more than one slave attempts to respond, bus arbitration rules apply. The losing device does not generate an Acknowledge and continues to hold the Alert line low until that device wins arbitration. 7.6 Register Maps 7.6.1 INA237-Q1 Registers Table 7-3 lists the INA237-Q1 registers. All register locations not listed in Table 7-3 should be considered as reserved locations and the register contents should not be modified. Table 7-3. INA237-Q1 Registers Address Acronym Register Name Register Size (bits) Section 0h CONFIG Configuration 16 Go 1h ADC_CONFIG ADC Configuration 16 Go 2h SHUNT_CAL Shunt Calibration 16 Go 4h VSHUNT Shunt Voltage Measurement 16 Go 5h VBUS Bus Voltage Measurement 16 Go 6h DIETEMP Temperature Measurement 16 Go 7h CURRENT Current Result 16 Go 8h POWER Power Result 24 Go Bh DIAG_ALRT Diagnostic Flags and Alert 16 Go Ch SOVL Shunt Overvoltage Threshold 16 Go Dh SUVL Shunt Undervoltage Threshold 16 Go Eh BOVL Bus Overvoltage Threshold 16 Go Fh BUVL Bus Undervoltage Threshold 16 Go 10h TEMP_LIMIT Temperature Over-Limit Threshold 16 Go 11h PWR_LIMIT Power Over-Limit Threshold 16 Go 3Eh MANUFACTURER_ID Manufacturer ID 16 Go Complex bit access types are encoded to fit into small table cells. Table 7-4 shows the codes that are used for access types in this section. Table 7-4. INA237-Q1 Access Type Codes Access Type Code Description Read Type R R Read Write Type W W Write Reset or Default Value INA237-Q1 SBOSA27A – JUNE 2020 – REVISED JUNE 2021 www.ti.com 22 Submit Document Feedback Copyright © 2021 Texas Instruments Incorporated Product Folder Links: INA237-Q1 |
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