SH7708 Datasheet, PDF (17/633 Pages) Renesas Technology Corp – SuperH™ RISC engine

14.3.2 Pin Connections.................................................................................................... 405
14.3.3 Data Format.......................................................................................................... 406
14.3.4 Register Settings................................................................................................... 407
14.3.5 Clock .................................................................................................................... 409
14.3.6 Data Transmission and Reception........................................................................ 412
14.4 Usage Notes ....................................................................................................................... 418
14.4.1 Receive Data Timing and Receive Margin in Asynchronous Mode.................... 418
14.4.2 Retransmission (Receive and Transmit Modes)................................................... 420
Section 15 I/O Ports ............................................................................................................ 423
15.1 Overview............................................................................................................................ 423
15.1.1 Features ................................................................................................................ 423
15.1.2 Block Diagram...................................................................................................... 423
15.1.3 Pin Configuration ................................................................................................. 426
15.1.4 Register Configuration ......................................................................................... 427
15.2 Register Descriptions......................................................................................................... 427
15.2.1 Port Control Register (PCTR) .............................................................................. 427
15.2.2 Port Data Register (PDTR) .................................................................................. 428
15.2.3 Serial Port Register (SCSPTR) ............................................................................ 429
Section 16 Electrical Characteristics (-SH7708, SH7708S-) ................................ 431
16.1 Absolute Maximum Ratings.............................................................................................. 431
16.2 DC Characteristics ............................................................................................................. 432
16.3 AC Characteristics ............................................................................................................. 433
16.3.1 Clock Timing........................................................................................................ 434
16.3.2 Control Signal Timing.......................................................................................... 444
16.3.3 AC Bus Timing Specifications............................................................................. 448
16.3.4 Basic Timing ........................................................................................................ 452
16.3.5 Burst ROM Timing .............................................................................................. 455
16.3.6 DRAM Timing ..................................................................................................... 458
16.3.7 Synchronous DRAM Timing ............................................................................... 468
16.3.8 Pseudo-SRAM Timing ......................................................................................... 479
16.3.9 PCMCIA Timing.................................................................................................. 484
16.3.10 Peripheral Module Signal Timing ........................................................................ 491
16.3.11 AC Characteristics Test Conditions ..................................................................... 494
Section 17 Electrical Characteristics (-SH7708R-) .................................................. 495
17.1 Absolute Maximum Ratings.............................................................................................. 495
17.2 DC Characteristics ............................................................................................................. 496
17.3 AC Characteristics ............................................................................................................. 497
17.3.1 Clock Timing........................................................................................................ 498
17.3.2 Control Signal Timing.......................................................................................... 504
17.3.3 AC Bus Timing Specifications............................................................................. 508
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