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NRF52810-QCAA-R7 데이터시트(PDF) 82 Page - Nordic Semiconductor |
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NRF52810-QCAA-R7 데이터시트(HTML) 82 Page - Nordic Semiconductor |
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82 / 483 page ![]() Power and clock management RAM7 power control set register When read, this register will return the value of the POWER register. Bit number 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Id D C B A Reset 0x0000FFFF 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Id RW Field Value Id Value Description A W S0POWER Keep RAM section S0 of RAM7 on or off in System ON mode On 1 On B W S1POWER Keep RAM section S1 of RAM7 on or off in System ON mode On 1 On C W S0RETENTION Keep retention on RAM section S0 when RAM section is switched off On 1 On D W S1RETENTION Keep retention on RAM section S1 when RAM section is switched off On 1 On 5.3.9.32 RAM[7].POWERCLR Address offset: 0x978 RAM7 power control clear register When read, this register will return the value of the POWER register. Bit number 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Id D C B A Reset 0x0000FFFF 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Id RW Field Value Id Value Description A W S0POWER Keep RAM section S0 of RAM7 on or off in System ON mode Off 1 Off B W S1POWER Keep RAM section S1 of RAM7 on or off in System ON mode Off 1 Off C W S0RETENTION Keep retention on RAM section S0 when RAM section is switched off Off 1 Off D W S1RETENTION Keep retention on RAM section S1 when RAM section is switched off Off 1 Off 5.3.10 Electrical specification 5.3.10.1 Device startup times Symbol Description Min. Typ. Max. Units tPOR Time in Power on Reset after VDD reaches 1.7 V for all supply voltages and temperatures. Dependent on supply rise time. 9 tPOR,10us VDD rise time 10us 1 ms 9 A step increase in supply voltage of 300 mV or more, with rise time of 300 ms or less, within the valid supply range, may result in a system reset. 4430_161 v1.0 82 |
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