| 전자부품 데이터시트 검색엔진 |
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AT90PWM2 데이터시트(PDF) 225 Page - ATMEL Corporation |
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AT90PWM2 데이터시트(HTML) 225 Page - ATMEL Corporation |
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225 / 361 page ![]() 225 4317J–AVR–08/10 AT90PWM2/3/2B/3B 19.6.6 Manchester receiver Baud Rate Registers – MUBRRL and MUBRRH • Bit 15:0 – MUBRR15:0: Manchester Receiver Baud Rate Register This is a 16-bit register which contains the maximum value for the Machester receiver counter. The MUBRRH contains the eight most significant bits, and the MUBRRL contains the eight least significant bits. Ongoing transmissions by the Receiver will be corrupted if the baud rate is changed. MUBRR[H:L]=F CLKIO / (baud rate frequency) Bit 15 14 13121110 9 8 MUBRR[15:8] MUBRRH MUBRR[7:0] MUBRRL 76543210 Read/Write R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W Initial Value 00000000 00000000 Table 19-5. Examples of MUBRR Settings for Commonly Frequencies Baud Rate (bps) fclk io = 1 MHz fclk io = 1.8432 MHz fclk io = 2.0000 MHz fclk io = 4.0000 MHz fclk io = 8.0000 MHz fclk io = 11.0592 MHz fclk io = 16.000 MHz 1200 833 1536 1667 3333 6667 9216 13333 2400 417 768 833 1667 3333 4608 6667 4800 208 384 417 833 1667 2304 3333 9600 104 192 208 417 833 1152 1667 |
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