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SWCS049C 数据表(PDF) 52 Page - Texas Instruments |
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SWCS049C 数据表(HTML) 52 Page - Texas Instruments |
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52 / 144 page  52 TPS65911 SWCS049S – JUNE 2010 – REVISED AUGUST 2018 www.ti.com Submit Documentation Feedback Product Folder Links: TPS65911 Detailed Description Copyright © 2010–2018, Texas Instruments Incorporated Table 6-3. Boot Configuration: General Control Bits REGISTER BIT DESCRIPTION TPS65911 FIXED BOOT EEPROM BOOT VRTC_REG VRTC_OFFMASK 0: VRTC LDO will be in low-power mode during OFF state. 0 x 1: VRTC LDO will be in full-power mode during OFF state. DEVCTRL_REG CK32K_CTRL 0: Clock source is crystal/external clock. Crystal x 1: Clock source is internal RC oscillator. DEVCTRL_REG DEV_ON 0: No impact 0 x 1: Will keep device on, in ACTIVE or SLEEP state DEVCTRL2_REG TSLOTD Boot sequence time slot duration: 2 ms x 0: 0.5 ms 1: 2 ms DEVCTRL2_REG PWON_LP_OFF 0: Turn off device after PWRON long-press not allowed. 1 x 1: Turn off device after PWRON long-press. DEVCTRL2_REG PWON_LP_RST 0: No impact 1 x 1: Reset digital core when device is off DEVCTRL2_REG IT_POL 0: INT1 signal will be active-low. 0 x 1: INT1 signal will be active-high. INT_MSK_REG VMBHI_IT_MSK 0: Device will automatically switch-on at NO SUPPLY-to-OFF or BACKUP-to-OFF transition (device will switch-on when supply is inserted) 1 x 1: Start-up reason required before switch-on (VMBHI event interrupt masked) INT_MSK3_REG GPIO5_F_IT_MSK 0: GPIO5 falling-edge detection interrupt not masked 1 x 1: GPIO5 falling-edge detection interrupt masked INT_MSK3_REG GPIO5_R_IT_MSK 0: GPIO5 rising-edge detection interrupt not masked 0 x 1: GPIO5 rising-edge detection interrupt masked INT_MSK3_REG GPIO4_F_IT_MSK 0: GPIO4 falling-edge detection interrupt not masked 1 x 1: GPIO4 falling-edge detection interrupt masked INT_MSK3_REG GPIO4_R_IT_MSK 0: GPIO4 rising-edge detection interrupt not masked 0 x 1: GPIO4 rising-edge detection interrupt masked GPIO0_REG GPIO_ODEN 0: GPIO0 configured as push-pull output Push-pull x 1: GPIO0 configured as open-drain output WATCHDOG_REG WATCHDOG_EN 0: Watchdog disabled 1 x 1: Watchdog enabled, periodic operation with 100 s EEPROM VMBBUF_BYPASS 0: Enable input buffer for external resistive divider Disable buffer x 1: In single-cell system, disable buffer for low power VMBCH_REG VMBCH_SEL[5:1] Select threshold for boot gating comparator COMP1, 2.5–3.5 V. 3.1 V x |
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