SH7144 Datasheet, PDF (22/773 Pages) Renesas Technology Corp – Hitachi SuperH RISC engine

19.9.1 Hardware Protection ............................................................................................ 591
19.9.2 Software Protection.............................................................................................. 592
19.9.3 Error Protection.................................................................................................... 592
19.10 PROM Programmer Mode ................................................................................................ 593
19.11 Usage Note........................................................................................................................ 593
19.12 Notes when Converting the F-ZTAT Versions to the Mask-ROM Versions.................... 593
Section 20 Mask ROM ......................................................................................595
20.1 Usage Note........................................................................................................................ 595
Section 21 RAM ................................................................................................597
21.1 Usage Note........................................................................................................................ 597
Section 22 Hitachi User Debug Interface (H-UDI) ...........................................599
22.1 Overview........................................................................................................................... 599
22.1.1 Features................................................................................................................ 599
22.1.2 Block Diagram..................................................................................................... 600
22.2 Input/Output Pins .............................................................................................................. 601
22.3 Register Description.......................................................................................................... 601
22.3.1 Instruction Register (SDIR) ................................................................................. 602
22.3.2 Status Register (SDSR)........................................................................................ 603
22.3.3 Data Register (SDDR) ......................................................................................... 604
22.3.4 Bypass Register (SDBPR) ................................................................................... 604
22.4 Operation .......................................................................................................................... 605
22.4.1 H-UDI Interrupt ................................................................................................... 605
22.4.2 Bypass Mode........................................................................................................ 608
22.4.3 H-UDI Reset ........................................................................................................ 608
22.5 Usage Notes ...................................................................................................................... 608
Section 23 Advanced User Debugger (AUD) ...................................................611
23.1 Overview........................................................................................................................... 611
23.1.1 Features................................................................................................................ 611
23.1.2 Block Diagram..................................................................................................... 612
23.2 Input/Output Pins .............................................................................................................. 612
23.2.1 Pin Descriptions................................................................................................... 613
23.3 Branch Trace Mode........................................................................................................... 615
23.3.1 Overview.............................................................................................................. 615
23.3.2 Operation ............................................................................................................. 615
23.4 RAM Monitor Mode ......................................................................................................... 616
23.4.1 Overview.............................................................................................................. 616
23.4.2 Communication Protocol ..................................................................................... 617
23.4.3 Operation ............................................................................................................. 617
23.5 Usage Notes ...................................................................................................................... 619
Rev. 2.0, 09/02, page xx of xxxviii