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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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RM0312 데이터시트(PDF) 249 Page - STMicroelectronics |
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RM0312 데이터시트(HTML) 249 Page - STMicroelectronics |
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249 / 275 page  DocID022352 Rev 3 249/275 RM0312 Universal synchronous/asynchronous receiver transmitter (USART) 249 21.6.8 Control register 4 (USART_CR4) Address offset: 0x07 Reset value: 0x00 21.6.9 USART register map and reset values 7 654 3210 Reserved ADD[3:0] rw Bit 7:4 Reserved Bits 3:0 ADD[3:0]: Address of the USART node This bit-field gives the address of the USART node. This is used in multiprocessor communication during mute mode, for wakeup with address mark detection. Table 52. USART register map Address offset Register name 765 432 10 0x00 USART_SR Reset value TXE 1 TC 1 RXNE 0 IDLE 0 OR 0 NF 0 FE 0 PE 0 0x01 USART_DR Reset value DR[7:0] xxxxxxxx 0x02 USART_BRR1 Reset value USART_DIV[11:4] 00000000 0x03 USART_BRR2 Reset value USART_DIV[15:12] 0000 USART_DIV[3:0] 0000 0x04 USART_CR1 Reset value R8 0 T8 0 USARTD 0 M 0 WAKE 0 PCEN 0 PS 0 PIEN 0 0x05 USART_CR2 Reset value TIEN 0 TCIEN 0 RIEN 0 ILIEN 0 TEN 0 REN 0 RWU 0 SBK 0 0x06 USART_CR3 Reset value - 00 STOP 00 CKEN 0 CPOL 0 CPHA 0 LBCL 0 0x07 USART_CR4 Reset value - 0000 ADD[3:0] 0000 |
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