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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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NRF52810-QFAA-R 데이터시트(PDF) 53 Page - Nordic Semiconductor |
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NRF52810-QFAA-R 데이터시트(HTML) 53 Page - Nordic Semiconductor |
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53 / 483 page  Core components 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 A Reset 0x00000000 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Id RW Field Value Id Value Description A R ERASEALLSTATUS Status register for the ERASEALL operation Ready 0 ERASEALL is ready Busy 1 ERASEALL is busy (on-going) 4.8.2.1.4 APPROTECTSTATUS Address offset: 0x00C Status register for access port protection 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 A Reset 0x00000000 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Id RW Field Value Id Value Description A R APPROTECTSTATUS Status register for access port protection Enabled 0 Access port protection enabled Disabled 1 Access port protection not enabled 4.8.2.1.5 IDR Address offset: 0x0FC CTRL-AP Identification Register, IDR 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 E E E E D D D D C C C C C C C B B B B A A A A A A A A Reset 0x02880000 0 0 0 0 0 0 1 0 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Id RW Field Value Id Value Description A R APID AP Identification B R CLASS Access Port (AP) class NotDefined 0x0 No defined class MEMAP 0x8 Memory Access Port C R JEP106ID JEDEC JEP106 identity code D R JEP106CONT JEDEC JEP106 continuation code E R REVISION Revision 4.8.2.2 Electrical specification 4.8.2.2.1 Control access port Symbol Description Min. Typ. Max. Units Rpull Internal SWDIO and SWDCLK pull up/down resistance 13 kΩ 4.8.3 Debug interface mode Before the external debugger can access the CPU's access port (AHB-AP) or the Control Access Port (CTRL- AP), the debugger must first request the device to power up via CxxxPWRUPREQ in the SWJ-DP. As long as the debugger is requesting power via CxxxPWRUPREQ, the device will be in debug interface mode. If the debugger is not requesting power via CxxxPWRUPREQ, the device will be in normal mode. 4430_161 v1.0 53 |
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