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TPIC83000-Q1 Fiches technique(PDF) 7 Page - Texas Instruments |
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TPIC83000-Q1 Fiches technique(HTML) 7 Page - Texas Instruments |
7 / 44 page TPIC83000-Q1 www.ti.com SLDS171 – NOVEMBER 2009 System Configuration/Programming See the "Baud Rate Settings" table (Table 21). Programming Voltage • Internally generated programming voltage • Only active during the write mode • The programming voltage can be monitored at PROGV pin. • 15-ms sec timer / internal undervoltage comparator to guarantee required programming time and voltage level. (12.5 V, 15 ms + system response time > 20 ms) Temperature Sensor • Output data linearly proportional to temperature. Internal Oscillator • 2.458 MHz • External resistor is used for current reference • 10 k Ω Sensor Output • Input signal from sensor is analog/digitally processed and output 10-bit word via DIO • Linear region: output is linear to the sensor input. Clamp region: output is at the clamp value. • Output and DIAG data can be requested every 100 ms. • Refer to Data format communications between microprocessor to IC Mode selection (microprocessor → IC) chart. Data Transfer Format See Table 16. Data Output Request (Sensor vs Calibration Mode) Sensor Mode 1. Receive sensor position ID 2. Output pressure or temperature + DIAG + MODE information Calibration Mode A data access mode can be selected by setting ACSUNT Bank Mode (ACSUNT = 1) 1. Receive sensor position ID + command 2. Receive Bank address 3. Available output is: 1. Sensor output + diagnostics, 2. Temperature, 3. ADC output, 4. Configuration baud rate, 5. Sensor ID + Position ID, 6. Over-pressure setting, 7. Calibration setting, 8 Temperature data, 9. Over-pressure setting history, 10. Calibration history, 11. Mode data Field Mode (ACSUNT = 0) 1. Receive sensor position ID + Command 2. Receive Field address 3. Available output is: 1. Sensor + diagnostics, 2. Temperature, 3. ADC output, 4. Mode data Copyright © 2009, Texas Instruments Incorporated Submit Documentation Feedback 7 Product Folder Link(s): TPIC83000-Q1 |
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