SH7750_08 Datasheet, PDF (54/1162 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer

12.2.1 Timer Output Control Register (TOCR) .............................................................. 341
12.2.2 Timer Start Register (TSTR) ............................................................................... 342
12.2.3 Timer Start Register 2 (TSTR2) (SH7750R Only) .............................................. 343
12.2.4 Timer Constant Registers (TCOR) ...................................................................... 344
12.2.5 Timer Counters (TCNT) ...................................................................................... 344
12.2.6 Timer Control Registers (TCR) ........................................................................... 345
12.2.7 Input Capture Register 2 (TCPR2)....................................................................... 350
12.3 Operation .......................................................................................................................... 350
12.3.1 Counter Operation................................................................................................ 350
12.3.2 Input Capture Function ........................................................................................ 353
12.4 Interrupts........................................................................................................................... 355
12.5 Usage Notes ...................................................................................................................... 355
12.5.1 Register Writes .................................................................................................... 355
12.5.2 Underflow Flag Writes (SH7750 only)................................................................ 356
12.5.3 TCNT Register Reads .......................................................................................... 356
12.5.4 Resetting the RTC Frequency Divider................................................................. 356
12.5.5 External Clock Frequency.................................................................................... 356
Section 13 Bus State Controller (BSC) ......................................................................... 357
13.1 Overview........................................................................................................................... 357
13.1.1 Features................................................................................................................ 357
13.1.2 Block Diagram..................................................................................................... 359
13.1.3 Pin Configuration................................................................................................. 360
13.1.4 Register Configuration......................................................................................... 364
13.1.5 Overview of Areas ............................................................................................... 365
13.1.6 PCMCIA Support ................................................................................................ 368
13.2 Register Descriptions ........................................................................................................ 372
13.2.1 Bus Control Register 1 (BCR1) ........................................................................... 372
13.2.2 Bus Control Register 2 (BCR2) ........................................................................... 381
13.2.3 Bus Control Register 3 (BCR3) (SH7750R Only) ............................................... 383
13.2.4 Bus Control Register 4 (BCR4) (SH7750R Only) ............................................... 384
13.2.5 Wait Control Register 1 (WCR1)......................................................................... 388
13.2.6 Wait Control Register 2 (WCR2)......................................................................... 391
13.2.7 Wait Control Register 3 (WCR3)......................................................................... 399
13.2.8 Memory Control Register (MCR)........................................................................ 401
13.2.9 PCMCIA Control Register (PCR)........................................................................ 409
13.2.10 Synchronous DRAM Mode Register (SDMR) .................................................... 413
13.2.11 Refresh Timer Control/Status Register (RTCSR)................................................ 415
13.2.12 Refresh Timer Counter (RTCNT)........................................................................ 418
13.2.13 Refresh Time Constant Register (RTCOR) ......................................................... 419
Rev.7.00 Oct. 10, 2008 Page liv of lxxxiv
REJ09B0366-0700