Rainbow-electronics ATmega128RFA1 Bedienungsanleitung Seite 522

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522
8266A-MCU Wireless-12/09
ATmega128RFA1
27.10 SRAM DRT Voltage Measurement ................................................................ 426
27.11 Register Description ....................................................................................... 427
28 JTAG Interface and On-chip Debug System...............................435
28.1 Features ........................................................................................................... 435
28.2 Overview........................................................................................................... 435
28.3 TAP - Test Access Port .................................................................................... 436
28.4 TAP Controller.................................................................................................. 437
28.5 Using the Boundary-scan Chain....................................................................... 438
28.6 Using the On-chip Debug System .................................................................... 438
28.7 On-chip Debug Specific JTAG Instructions...................................................... 439
28.8 Using the JTAG Programming Capabilities...................................................... 439
28.9 Bibliography...................................................................................................... 440
28.10 On-chip Debug Related Register in I/O Memory............................................ 440
29 IEEE 1149.1 (JTAG) Boundary-scan............................................441
29.1 Features ........................................................................................................... 441
29.2 System Overview ............................................................................................. 441
29.3 Data Registers.................................................................................................. 441
29.4 Boundary-scan Specific JTAG Instructions...................................................... 443
29.5 Boundary-scan Chain....................................................................................... 444
29.6 Boundary-scan Related Register in I/O Memory.............................................. 447
29.7 Boundary-scan Description Language Files .................................................... 448
29.8 ATmega128RFA1 Boundary-scan Order ......................................................... 448
30 Boot Loader Support – Read-While-Write Self-Programming... 450
30.1 Features ........................................................................................................... 450
30.2 Application and Boot Loader Flash Sections ................................................... 450
30.3 Read-While-Write and No Read-While-Write Flash Sections .......................... 451
30.4 Boot Loader Lock Bits ...................................................................................... 453
30.5 Addressing the Flash During Self-Programming.............................................. 453
30.6 Self-Programming the Flash............................................................................. 454
30.7 Register Description ......................................................................................... 462
31 Memory Programming..................................................................464
31.1 Program And Data Memory Lock Bits.............................................................. 464
31.2 Fuse Bits........................................................................................................... 465
31.3 Signature Bytes ................................................................................................ 466
31.4 Calibration Byte ................................................................................................ 467
31.5 Page Size ......................................................................................................... 467
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