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M16C/29 датащи(PDF) 201 Page - Renesas Technology Corp |
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M16C/29 датащи(HTML) 201 Page - Renesas Technology Corp |
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201 / 499 page ![]() 14. Serial I/O p u o r G 9 2 / C 6 1 M page 177 8 5 4 f o 7 0 0 2 , 0 3 .r a M 2 1 . 1 . v e R 2 1 1 0 - 1 0 1 0 B 9 0 J E R Figure 14.7 U0C1 to U2C1 Register, and PACR Register UARTi Transmit/receive Control Register 1 (i=0, 1) Symbol Address After Reset U0C1, U1C1 03A516,03AD16 000000102 b7 b6 b5 b4 b3 b2 b1 b0 Bit Name Bit Symbol RW Function TE TI RE RI Transmit enable bit Receive enable bit Receive complete flag Transmit buffer empty flag 0 : Transmission disabled 1 : Transmission enabled 0 : Data present in UiTB register 1 : No data present in UiTB register 0 : Reception disabled 1 : Reception enabled 0 : No data present in UiRB register 1 : Data present in UiRB register Nothing is assigned. If necessary, set to 0. When read, the content is 0 UART2 Transmit/receive Control Register 1 Symbol Address After Reset U2C1 037D16 000000102 b7 b6 b5 b4 b3 b2 b1 b0 Bit Name Bit Symbol Function TE TI RE RI Transmit enable bit Receive enable bit Receive complete flag Transmit buffer empty flag 0 : Transmission disabled 1 : Transmission enabled 0 : Reception disabled 1 : Reception enabled U2IRS UART2 transmit interrupt cause select bit 0 : Transmit buffer empty (TI = 1) 1 : Transmit is completed (TXEPT = 1) U2RRM UART2 continuous receive mode enable bit 0 : Continuous receive mode disabled 1 : Continuous receive mode enabled Data logic select bit 0 : No reverse 1 : Reverse U2LCH U2ERE Error signal output enable bit 0 : Output disabled 1 : Output enabled RW RW RO RO RW RW RW RW RW RW RW RO RO (b7-b4) 0 : Data present in U2TB register 1 : No data present in U2TB register 0 : No data present in U2RB register 1 : Data present in U2RB register Pin Assignment Control Register (1) Symbpl Address After Reset PACR 025D16 0016 Bit Name Function Bit Symbol RW b7 b6 b5 b4 b3 b2 b1 b0 Pin enabling bit RW (b6-b3) 010 : 64 pin 011 : 80 pin All other values are reserved. Do not use. PACR0 PACR1 PACR2 RW RW Reserved bits U1MAP UART1 pin remapping bit UART1 pins assigned to 0 : P67 to P64 1 : P73 to P70 RW NOTE: 1. Set the PACR register by the next instruction after setting the PRC2 bit in the PRCR register to 1(write enable). Nothing is assigned. If necessary, set to 0. When read, the content is 0 |
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