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SWCS049A 数据表(PDF) 68 Page - Texas Instruments |
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SWCS049A 数据表(HTML) 68 Page - Texas Instruments |
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68 / 119 page  68 TPS659110, TPS659112, TPS659113 TPS659114, TPS659118, TPS6591133 SWCS049Q – JUNE 2010 – REVISED MARCH 2016 www.ti.com Submit Documentation Feedback Product Folder Links: TPS659110 TPS659112 TPS659113 TPS659114 TPS659118 TPS6591133 Detailed Description Copyright © 2010–2016, Texas Instruments Incorporated 7 6 5 4 3 2 1 0 ALARM_YEAR1 ALARM_YEAR0 Bits Field Name Description Type Reset 7:4 ALARM_YEAR1 Second digit of alarm programmation for years (range is 0 up to 9) RW 0x0 3:0 ALARM_YEAR0 First digit of alarm programmation for years (range is 0 up to 9) RW 0x0 Table 6-20. RTC_CTRL_REG Address Offset 0x10 Physical Address Instance (RESET DOMAIN: FULL RESET) Description RTC control register: NOTES: A dummy read of this register is necessary before each I2C read in order to update the ROUND_30S bit value. Type RW 7 6 5 4 3 2 1 0 RTC_V_OPT GET_TIME SET_32_ COUNTER TEST_MODE MODE_12_24 AUTO_COMP ROUND_30S STOP_RTC Bits Field Name Description Type Reset 7 RTC_V_OPT RTC date/time register selection: 0: Read access directly to dynamic registers (SECONDS_REG, MINUTES_REG, HOURS_REG, DAYS_REG, MONTHS_REG, YEAR_REG, WEEKS_REG) 1: Read access to static shadowed registers: (see GET_TIME bit). RW 0 6 GET_TIME When writing a 1 into this register, the content of the dynamic registers (SECONDS_REG, MINUTES_REG, HOURS_REG, DAYS_REG, MONTHS_REG, YEAR_REG and WEEKS_REG) is transferred into static shadowed registers. Each update of the shadowed registers needs to be done by re-asserting GET_TIME bit to 1 (that is: reset it to 0 and then rewrite it to 1) RW 0 5 SET_32_COUNTER 0: No action 1: set the 32-kHz counter with COMP_REG value. It must only be used when the RTC is frozen. RW 0 4 TEST_MODE 0: functional mode 1: test mode (Auto compensation is enable when the 32-kHz counter reaches at its end) RW 0 3 MODE_12_24 0: 24 hours mode 1: 12 hours mode (PM-AM mode) It is possible to switch between the two modes at any time without disturbed the RTC, read or write are always performed with the current mode. RW 0 2 AUTO_COMP 0: No auto compensation 1: Auto compensation enabled RW 0 1 ROUND_30S 0: No update 1: When a one is written, the time is rounded to the closest minute. This bit is a toggle bit, the microcontroller can only write one and RTC clears it. If the microcontroller sets the ROUND_30S bit and then read it, the microcontroller will read one until the rounded to the closet. RW 0 0 STOP_RTC 0: RTC is frozen 1: RTC is running RW 0 Table 6-21. RTC_STATUS_REG Address Offset 0x11 Physical Address Instance (RESET DOMAIN: FULL RESET) |
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