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20.2.3
Real-Time Clock Hour Data Register (RTCHR) .............................................................. 409
20.2.4
Real-Time Clock Day Data Register (RTCWK) ............................................................... 410
20.2.5
Real-Time Clock Control Register 1 (RTCCR1) ...............................................................411
20.2.6
Real-Time Clock Control Register 2 (RTCCR2) .............................................................. 413
20.2.7
Real-Time Clock Count Source Select Register (RTCCSR) ........................................... 415
20.2.8
Real-Time Clock Second Compare Data Register (RTCCSEC) ...................................... 416
20.2.9
Real-Time Clock Minute Compare Data Register (RTCCMIN) ........................................ 417
20.2.10
Real-Time Clock Hour Compare Data Register (RTCCHR) ............................................ 418
20.3
Operations ................................................................................................................................ 419
20.3.1
Basic Operation ............................................................................................................... 419
20.3.2
Compare Mode ................................................................................................................ 422
20.4
Interrupts................................................................................................................................... 428
20.5
Notes on Real-Time Clock ........................................................................................................ 429
20.5.1
Starting and Stopping the Count ...................................................................................... 429
20.5.2
Register Settings (Time Data, etc.) .................................................................................. 429
20.5.3
Register Settings (Compare Data) .................................................................................. 429
20.5.4
Time Reading Procedure in Real-Time Clock Mode ....................................................... 430
21. Serial Interface UARTi (i = 0 to 4) ........................................................ 431
21.1
Introduction ............................................................................................................................... 431
21.2
Registers................................................................................................................................... 434
21.2.1
UART Clock Select Register (UCLKSEL0) ...................................................................... 436
21.2.2
Peripheral Clock Select Register (PCLKR) ..................................................................... 436
21.2.3
UARTi Transmit/Receive Mode Register (UiMR) (i = 0 to 4) ........................................... 437
21.2.4
UARTi Bit Rate Register (UiBRG) (i = 0 to 4) .................................................................. 438
21.2.5
UARTi Transmit Buffer Register (UiTB) (i = 0 to 4) .......................................................... 438
21.2.6
UARTi Transmit/Receive Control Register 0 (UiC0) (i = 0 to 4) ....................................... 439
21.2.7
UARTi Transmit/Receive Control Register 1 (UiC1) (i = 0 to 4) ....................................... 441
21.2.8
UARTi Receive Buffer Register (UiRB) (i = 0 to 4) .......................................................... 442
21.2.9
UART2 Special Mode Register 4 (U2SMR4) .................................................................. 444
21.2.10
UART2 Special Mode Register 3 (U2SMR3) .................................................................. 446
21.2.11
UART2 Special Mode Register 2 (U2SMR2) .................................................................. 447
21.2.12
UART2 Special Mode Register (U2SMR) ....................................................................... 448
21.2.13
Pin Assignment Control Register (PACR) ....................................................................... 449
21.3
Operations ................................................................................................................................ 450
21.3.1
Clock Synchronous Serial I/O Mode ................................................................................ 450
21.3.2
Clock Asynchronous Serial I/O (UART) Mode ................................................................. 458
21.3.3
Special Mode 1 (I
21.3.4
Special Mode 2 (UART2) ................................................................................................. 482
21.3.5
Special Mode 3 (IE Mode) (UART2) ................................................................................ 486
21.3.6
Special Mode 4 (SIM Mode) (UART2) ............................................................................. 488
2
C Mode) (UART2) .............................................................................. 467
A- 11
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