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TPS65010RGZT Datasheet(PDF) 34 Page - Texas Instruments |
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TPS65010RGZT Datasheet(HTML) 34 Page - Texas Instruments |
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34 / 63 page  VCORE VMAIN VLDO1 VLDO2 95% VCORE 95% VLDO2 HOT_RESET HOT_RESET DEGLITCH INT MPU_RESET tGLITCH t(MPU_RESET) TPS65010 SLVS149C – JUNE 2003 – REVISED SEPTEMBER 2015 www.ti.com Figure 35. State 3 to State 2 Transition (HOT_RESET Activated, See Interrupt Management for INT Behavior) 7.5 Programming 7.5.1 LED2 Output The LED2 output can be programmed in the same way as the PG output to blink or to be permanently on or off. The LED2_ON and LED2_PER registers are used to control the blink rate. For both PG and LED2, the minimum blink ON-time is 10 ms and this can be increased in 127 10 ms-steps to 1280 ms. For both PG and LED2, the minimum blink period is 100 ms and this can be increased in 127 100-ms steps to 12800 ms. 7.5.2 Interrupt Management The open-drain INT pin is used to combine and report all possible conditions through a single pin. Battery and chip temperature faults, precharge timeout, charge timeout, taper timeout and termination current are each capable of setting INT low, i.e. active. INT can also be activated if any of the regulators are below the regulation threshold. Interrupts can also be generated by any of the GPIO pins programmed to be inputs. These inputs can be programmed to generate an interrupt either at the rising or falling edge of the input signal. It is possible to mask an interrupt from any of these conditions individually by setting the appropriate bits in the MASK1, MASK2 or MASK3 registers. By default, all interrupts are masked. Interrupts are stored in the CHGSTATUS, REGSTATUS and DEFGPIO registers in the serial interface. CHGSTATUS and REGSTATUS interrupts are acknowledged by reading these registers. If a 1 is present in any location then the TPS65010 automatically sets the corresponding bit in the ACKINT1 or ACKINT2 registers and releases the INT pin. The ACKINT register contents are self-clearing when the condition, which caused the interrupt, is removed. The applications processor should not normally need to access the ACKINT1 or ACKINT2 registers. 34 Submit Documentation Feedback Copyright © 2003–2015, Texas Instruments Incorporated Product Folder Links: TPS65010 |
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