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R5F364AMNFB 数据表(PDF) 38 Page - Renesas Technology Corp |
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R5F364AMNFB 数据表(HTML) 38 Page - Renesas Technology Corp |
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38 / 92 page ![]() R01DS0032EJ0200 Rev.2.00 Page 38 of 88 Feb 07, 2011 M16C/64A Group 4. Special Function Registers (SFRs) 4.2 Notes on SFRs 4.2.1 Register Settings Table 4.19 lists Registers with Write-Only Bits and registers whose function differs between reading and writing. Set these registers with immediate values. Do not use read-modify-write instructions. When establishing the next value by altering the existing value, write the existing value to the RAM as well as to the register. Transfer the next value to the register after making changes in the RAM. Read-modify-write instructions can be used when writing to the no register bits. Table 4.19 Registers with Write-Only Bits Address Register Symbol 0249h UART0 Bit Rate Register U0BRG 024Bh to 024Ah UART0 Transmit Buffer Register U0TB 0259h UART1 Bit Rate Register U1BRG 025Bh to 025Ah UART1 Transmit Buffer Register U1TB 0269h UART2 Bit Rate Register U2BRG 026Bh to 026Ah UART2 Transmit Buffer Register U2TB 0273h SI/O3 Bit Rate Register S3BRG 0277h SI/O4 Bit Rate Register S4BRG 0289h UART5 Bit Rate Register U5BRG 028Bh to 028Ah UART5 Transmit Buffer Register U5TB 0299h UART6 Bit Rate Register U6BRG 029Bh to 029Ah UART6 Transmit Buffer Register U6TB 02A9h UART7 Bit Rate Register U7BRG 02ABh to 02AAh UART7 Transmit Buffer Register U7TB 02B6h I2C0 Control Register 1 S3D0 02B8h I2C0 Status Register 0 S10 0303h to 0302h Timer A1-1 Register TA11 0305h to 0304h Timer A2-1 Register TA21 0307h to 0306h Timer A4-1 Register TA41 030Ah Three-Phase Output Buffer Register 0 IDB0 030Bh Three-Phase Output Buffer Register 1 IDB1 030Ch Dead Time Timer DTT 030Dh Timer B2 Interrupt Generation Frequency Set Counter ICTB2 0327h to 0326h Timer A0 Register TA0 0329h to 0328h Timer A1 Register TA1 032Bh to 032Ah Timer A2 Register TA2 032Dh to 032Ch Timer A3 Register TA3 032Fh to 032Eh Timer A4 Register TA4 037Dh Watchdog Timer Refresh Register WDTR 037Eh Watchdog Timer Start Register WDTS |
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