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ADE7169 数据表(PDF) 26 Page - Analog Devices |
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ADE7169 数据表(HTML) 26 Page - Analog Devices |
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26 / 144 page  ADE7566/ADE7569/ADE7166/ADE7169 Rev. A | Page 26 of 144 Table 17. Power Management Interrupt Flag SFR (IPSMF, 0xF8) Bit Address Mnemonic Default Description 7 0xFF FPSR 0 Power Supply Restored Interrupt Flag. Set when the VDD power supply has been restored. This occurs when the source of VSWOUT changes from VBAT to VDD. 6 0xFE FPSM 0 PSM Interrupt Flag. Set when an enabled PSM interrupt condition occurs. 5 0xFD FSAG 0 Voltage SAG Interrupt Flag. Set when an ADE energy measurement SAG condition occurs. 4 0xFC RESERVED 0 This bit must be kept cleared for proper operation. 3 0xFB FVADC 0 VDCIN Monitor Interrupt Flag. Set when VDCIN changes by VDCIN_DIFF or when VDCIN measurement is ready. 2 0xFA FBAT 0 VBAT Monitor Interrupt Flag. Set when VBAT falls below BATVTH or when VBAT measurement is ready. 1 0xF9 FBSO 0 Battery Switchover Interrupt Flag. Set when VSWOUT switches from VDD to VBAT. 0 0xF8 FVDCIN 0 VDCIN Monitor Interrupt Flag. Set when VDCIN falls below 1.2 V. Table 18. Battery Switchover Configuration SFR (BATPR, 0xF5) Bit Mnemonic Default Description 7 to 2 Reserved 00 These bits must be kept to 0 for proper operation. Control Bits for Battery Switchover. BATPRG[1:0] Result 00 Battery switchover enabled on low VDD 01 Battery switchover enabled on low VDD and low VDCIN 1 to 0 BATPRG[1:0] 00 1X Battery switchover disabled Table 19. Peripheral Configuration SFR (PERIPH, 0xF4) Bit Mnemonic Default Description 7 RXFLAG 0 If set, indicates that an Rx edge event triggered wake-up from PSM2. 6 VSWSOURCE 1 Indicates the power supply that is internally connected to VSWOUT (0 VSWOUT = VBAT, 1 VSWOUT = VDD). 5 VDD_OK 1 If set, indicates that VDD power supply is ready for operation. 4 PLL_FLT 0 If set, indicates that a PLL fault occurred where the PLL lost lock. Set the PLLACK bit (see Table 50) in the Start ADC Measurement SFR (ADCGO, 0xD8) to acknowledge the fault and clear the PLL_FLT bit. 3 REF_BAT_EN 0 Set this bit to enable internal voltage reference in PSM2 mode. This bit should be set if LCD is on in PSM2 mode. 2 Reserved 0 This bit should be kept to zero. Controls the function of the P1.0/RxD pin. RXPROG[1:0] Result 00 GPIO 01 RxD with wake-up disabled 1 to 0 RXPROG[1:0] 00 11 RxD with wake-up enabled Table 20. Power Management Interrupt Enable SFR (IPSME, 0xEC) Bit Interrupt Enable Bit Default Description 7 EPSR 0 Enables a PSM interrupt when the power supply restored flag (FPSR) is set. 6 RESERVED 0 Reserved. 5 ESAG 0 Enables a PSM interrupt when the voltage SAG flag (FSAG) is set. 4 RESERVED 0 This bit must be kept cleared for proper operation. 3 EVADC 0 Enables a PSM interrupt when the VADC monitor flag (FVADC) is set. 2 EBAT 0 Enables a PSM interrupt when the VBAT monitor flag (FBAT) is set. 1 EBSO 0 Enables a PSM interrupt when the battery switchover flag (FBSO) is set. 0 EVDCIN 0 Enables a PSM interrupt when the VDCIN monitor flag (FVDCIN) is set. Table 21. Scratch Pad 1 SFR (SCRATCH1, 0xFB) Bit Mnemonic Default Description 7 to 0 SCRATCH1 0 Value can be written/read in this register. This value is maintained in all the power saving modes. |
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