M16C62_N Datasheet, PDF (9/621 Pages) Renesas Technology Corp – 16-BIT SINGLE-CHIP MICROCOMPUTER M16C FAMILY

2.5 Clock-Asynchronous Serial I/O (UART) ...................................................................................... 348
2.5.1 Overview ..............................................................................................................................348
2.5.2 Operation of Serial I/O (transmission in UART mode) ......................................................... 358
2.5.3 Operation of Serial I/O (reception in UART mode) .............................................................. 362
2.5.4 Operation of Serial I/O (transmission compliant with SIM interface) ................................... 366
2.5.5 Operation of Serial I/O (reception compliant with SIM interface) ......................................... 370
2.5.6 Clock Signals in compliance with the SIM Interface ............................................................ 374
2.6 SI/O3,4 ........................................................................................................................................378
2.6.1 Overview ..............................................................................................................................378
2.6.2 Operationof SI/O3,4 .............................................................................................................380
2.7 A-D Converter ............................................................................................................................. 382
2.7.1 Overview ..............................................................................................................................382
2.7.2 Operation of A-D converter (one-shot mode) ...................................................................... 388
2.7.3 Operation of A-D Converter (in one-shot mode, an external trigger selected) .................... 390
2.7.4 Operation of A-D Converter (in one-shot mode, expanded analog input pin selected) ....... 392
2.7.5 Operation of A-D Converter (in one-shot mode,
external op-amp connection mode selected) .................................................................. 394
2.7.6 Operation of A-D Converter (in repeat mode) ...................................................................... 396
2.7.7 Operation of A-D Converter (in single sweep mode) ........................................................... 398
2.7.8 Operation of A-D Converter (in repeat sweep mode 0) ....................................................... 400
2.7.9 Operation of A-D Converter (in repeat sweep mode 1) ....................................................... 402
2.7.10 Precautions for A-D Converter ........................................................................................... 404
2.7.11 Method of A-D Conversion (10-bit mode) .......................................................................... 405
2.7.12 Method of A-D Conversion (8-bit mode) ............................................................................ 407
2.7.13 Absolute Accuracy and Differential Non-Linearity Error .................................................... 409
2.7.14 Internal Equivalent Circuit of Analog Input ......................................................................... 411
2.7.15 Sensor’s Output Impedance under A-D Conversion .......................................................... 412
2.8 D-A Converter ............................................................................................................................. 414
2.8.1 Overview ..............................................................................................................................414
2.8.2 D-A Converter Operation .....................................................................................................415
2.9 DMAC ......................................................................................................................................... 416
2.9.1 Overview ..............................................................................................................................416
2.9.2 Operation of DMAC (one-shot transfer mode) ..................................................................... 420
2.9.3 Operation of DMAC (repeated transfer mode) ..................................................................... 422
2.10 CRC Calculation Circuit ............................................................................................................ 424