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P9221-R bảng dữ liệu(PDF) 25 Page - Integrated Device Technology |
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P9221-R bảng dữ liệu(HTML) 25 Page - Integrated Device Technology |
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25 / 35 page ![]() P9221-R Datasheet © 2016 Integrated Device Technology, Inc. 25 December 16, 2016 Table 12. Interrupt Status Registers Address and Bit Register Field Name R/W Default Function and Description 36HEX [7] INT_Vout_Status R 0BIN “0” output voltage has not changed. “1” output voltage changed. 36HEX [6] Reserved R 0BIN 36HEX [5] Reserved R 0BIN 36HEX [4] Reserved R 0BIN 36HEX [3] Reserved R 0BIN 36HEX [2] INT_OVER_TEMP_Status R 0BIN “1” indicates over-temperature condition exists. 36HEX [1] INT_VRECT_OV_ Status R 0BIN “1” indicates rectifier over-voltage condition exists. 36HEX [0] INT_OC_Limit_Status R 0 “1” indicates current limit has been exceeded. 37HEX [7:0] Reserved R 00HEX Note: If any bit in the Interrupt Status register 36HEX is “1” and the corresponding bit in the Interrupt Enable register 38HEX is set to “1”, the INT pin will be pulled down indicating an interrupt event has occurred. Table 13. Interrupt Enable Registers Address and Bit Register Field Name R/W Default Function and Description 38HEX [7] Vout_CHGN_INTR_EN RW 0BIN “0” disables the interrupt. "1" enables the interrupt. 38HEX [6] Reserved R 0BIN 38HEX [5] Reserved R 0BIN 38HEX [4] Reserved R 0BIN 38HEX [3] Reserved R 0BIN 38HEX [2] OVER_TEMP_INT_EN R 0BIN “0” disables the interrupt. "1" enables the interrupt. 38HEX [1] VRECT_OV_INT_EN RW 0BIN “0” disables the interrupt. "1" enables the interrupt. 38HEX [0] OC_Limit_INT_EN RW 0BIN “0” disables the interrupt. "1" enables the interrupt. 39HEX [7:0] Reserved RW 00HEX Table 14. Battery Charge Status[a] Address and Bit Register Field Name R/W Default Function and Description 3AHEX [7:0] Batt_Charg_status R/W 00HEX Battery charge status value sent to transmitter.[a] [a] Firmware only forwards the data from the application processor to transmitter. |
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