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Rev. 4.00 Sep. 14, 2005 Page xix of l
Section 14 U Memory........................................................................................451
14.1 Features.............................................................................................................................. 451
14.2 U Memory Access from CPU............................................................................................452
14.3 U Memory Access from DSP............................................................................................. 452
14.4 U Memory Access from DMAC........................................................................................ 452
14.5 Usage Note......................................................................................................................... 453
14.6 Sleep Mode ........................................................................................................................ 453
14.7 Address Error..................................................................................................................... 453
Section 15 User Debugging Interface (H-UDI).................................................455
15.1 Features.............................................................................................................................. 455
15.2 Input/Output Pins...............................................................................................................456
15.3 Register Descriptions......................................................................................................... 457
15.3.1 Bypass Register (SDBPR) .................................................................................... 457
15.3.2 Instruction Register (SDIR)..................................................................................457
15.3.3 Boundary Scan Register (SDBSR) ....................................................................... 458
15.3.4 ID Register (SDID)............................................................................................... 467
15.4 Operation ........................................................................................................................... 468
15.4.1 TAP Controller .....................................................................................................468
15.4.2 Reset Configuration .............................................................................................. 469
15.4.3 TDO Output Timing ............................................................................................. 469
15.4.4 H-UDI Reset ......................................................................................................... 470
15.4.5 H-UDI Interrupt....................................................................................................470
15.5 Boundary Scan...................................................................................................................471
15.5.1 Supported Instructions .......................................................................................... 471
15.5.2 Points for Attention...............................................................................................472
15.6 Usage Notes.......................................................................................................................472
Section 16 I
2
C Bus Interface 2 (IIC2)................................................................473
16.1 Features.............................................................................................................................. 473
16.2 Input/Output Pins...............................................................................................................475
16.3 Register Descriptions......................................................................................................... 476
16.3.1 I
2
C Bus Control Register 1 (ICCR1)..................................................................... 476
16.3.2 I
2
C Bus Control Register 2 (ICCR2)..................................................................... 479
16.3.3 I
2
C Bus Mode Register (ICMR)............................................................................ 480
16.3.4 I
2
C Bus Interrupt Enable Register (ICIER)........................................................... 482
16.3.5 I
2
C Bus Status Register (ICSR).............................................................................484
16.3.6 Slave Address Register (SAR).............................................................................. 486
16.3.7 I
2
C Bus Transmit Data Register (ICDRT)............................................................. 487
16.3.8 I
2
C Bus Receive Data Register (ICDRR).............................................................. 487