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RM0312 数据表(PDF) 89 Page - STMicroelectronics |
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RM0312 数据表(HTML) 89 Page - STMicroelectronics |
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89 / 275 page  DocID022352 Rev 3 89/275 RM0312 Auto-wakeup (AWU) 92 12.4.3 Timebase selection register (AWU_TBR) Address offset: 0x02 Reset value: 0x00 12.4.4 AWU register map and reset values 7 654 3210 Reserved AWUTB[3:0] rw Bits 7:4 Reserved Bits 3:0 AWUTB[3:0]: Auto-wakeup timebase selection These bits are written by software to define the time interval between AWU interrupts. AWU interrupts are enabled when AWUEN = 1. 0000: No interrupt 0001: APRDIV/fLS 0010: 2xAPRDIV/fLS 0011: 22APRDIV/fLS 0100: 23APRDIV/fLS 0101: 24APRDIV/fLS 0110: 25APRDIV/fLS 0111: 26APRDIV/fLS 1000: 27APRDIV/fLS 1001: 28APRDIV/fLS 1010: 29APRDIV/fLS 1011: 210APRDIV/fLS 1100: 211APRDIV/fLS 1101: 212APRDIV/fLS 1110: 5x211APRDIV/fLS 1111: 30x211APRDIV/fLS Table 24. AWU register map Address offset Register name 7 654 3 2 1 0 0x00 AWU_CSR Reset value - 0 - 0 AWUF 0 AWUEN 0 - 0 - 0 - 0 MSR 0 0x01 AWU_APR Reset value - 0 - 0 APR5 1 APR4 1 APR3 1 APR2 1 APR1 1 APR0 1 0x02 AWU_TBR Reset value - 0 - 0 - 0 - 0 AWUTB3 0 AWUTB2 0 AWUTB1 0 AWUTB0 0 |
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