atmega32u4-16mu ATMEL Corporation, atmega32u4-16mu Datasheet - Page 429

• Manufacturer Part Number: atmega32u4-16mu
• Description: Atmega32u4 8-bit Avr Microcontroller With 32k Bytes Of Isp Flash And Usb Controller
• Manufacturer: ATMEL Corporation

26 JTAG Interface and On-chip Debug System ...................................... 332
27 IEEE 1149.1 (JTAG) Boundary-scan ................................................... 339
28 Boot Loader Support – Read-While-Write Self-Programming ......... 350
29 Memory Programming ......................................................................... 365
7766A–AVR–03/08
25.6 Temperature Sensor ...........................................................................................318
25.7 ADC Noise Canceler ..........................................................................................319
25.8 ADC Conversion Result ......................................................................................323
25.9 ADC Register Description ...................................................................................325
26.1 Overview .............................................................................................................332
26.2 Test Access Port – TAP .....................................................................................332
26.3 TAP Controller ....................................................................................................334
26.4 Using the Boundary-scan Chain .........................................................................335
26.5 Using the On-chip Debug System ......................................................................335
26.6 On-chip Debug Specific JTAG Instructions ........................................................336
26.7 On-chip Debug Related Register in I/O Memory ................................................337
26.8 Using the JTAG Programming Capabilities ........................................................337
26.9 Bibliography ........................................................................................................337
27.1 Features .............................................................................................................339
27.2 System Overview ................................................................................................339
27.3 Data Registers ....................................................................................................339
27.4 Boundary-scan Specific JTAG Instructions ........................................................341
27.5 Boundary-scan Related Register in I/O Memory ................................................342
27.6 Boundary-scan Chain .........................................................................................343
27.7 ATmega32U4 Boundary-scan Order ..................................................................346
27.8 Boundary-scan Description Language Files .......................................................349
28.1 Boot Loader Features .........................................................................................350
28.2 Application and Boot Loader Flash Sections ......................................................350
28.3 Read-While-Write and No Read-While-Write Flash Sections .............................350
28.4 Boot Loader Lock Bits ........................................................................................353
28.5 Entering the Boot Loader Program .....................................................................354
28.6 Addressing the Flash During Self-Programming ................................................357
28.7 Self-Programming the Flash ...............................................................................358
29.1 Program And Data Memory Lock Bits ................................................................365
29.2 Fuse Bits .............................................................................................................366
29.3 Signature Bytes ..................................................................................................368
ATmega32U4
429