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ST7LITEUS5 数据表(PDF) 33 Page - STMicroelectronics |
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ST7LITEUS5 数据表(HTML) 33 Page - STMicroelectronics |
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33 / 136 page ![]() Obsolete Product(s) - Obsolete Product(s) Obsolete Product(s) - Obsolete Product(s) ST7LITEUS2, ST7LITEUS5 Supply, reset and clock management 33/136 Bit 2 RC_FLAG RC Selection This bit is set and cleared by hardware 0: No switch from RC to AWU requested 1: RC clock activated and temporization completed Bit 1 = Reserved, must be kept cleared. Bit 0 = RC/AWU RC/AWU Selection 0: RC enabled 1: AWU enabled (default value) Table 7. Clock register map and reset values Address (Hex.) Register label 76 5 4 3 2 1 0 0038h MCCSR Reset value 00 0 0 0 0 MCO 0 SMS 0 0039h RCCR reset value CR9 1 CR8 1 CR7 1 CR6 1 CR5 1 CR4 1 CR3 1 CR2 1 003Ah SICSR reset value 0 CR1 CR0 0 0 LVDRF x AVDF 0 AVDIE 0 003Eh AVDTHCR reset value CK2 0 CK1 0 CK0 0 00 0 AVD1 1 AVD2 1 003Fh CKCNTCSR reset value 00 0 0 AWU_FLAG 1 RC_FLAG 0 0 RC/AWU 1 Obsolete Product(s) - Obsolete Product(s) |
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