MEGA128CAN Datasheet, PDF (411/413 Pages) ATMEL Corporation – Microcontroller WITH 128K BYTES OF ISP FLASH AND CAN CONTROLLER

4250E–CAN–12/04
AT90CAN128
Boundary-scan IEEE 1149.1 (JTAG) ............................................... 290
Features............................................................................................................ 290
System Overview.............................................................................................. 290
Data Registers .................................................................................................. 290
Boundary-scan Specific JTAG Instructions ...................................................... 292
Boundary-scan Related Register in I/O Memory .............................................. 293
Boundary-scan Chain ....................................................................................... 294
AT90CAN128 Boundary-scan Order .................................................................305
Boundary-scan Description Language Files ..................................................... 310
Boot Loader Support – Read-While-Write Self-Programming ...... 311
Features............................................................................................................ 311
Application and Boot Loader Flash Sections .................................................... 311
Read-While-Write and No Read-While-Write Flash Sections........................... 311
Boot Loader Lock Bits....................................................................................... 314
Entering the Boot Loader Program ................................................................... 315
Addressing the Flash During Self-Programming .............................................. 317
Self-Programming the Flash ............................................................................. 318
Memory Programming ...................................................................... 325
Program and Data Memory Lock Bits............................................................... 325
Fuse Bits........................................................................................................... 326
Signature Bytes ................................................................................................ 328
Calibration Byte ................................................................................................ 328
Parallel Programming Overview ........................................................................329
Parallel Programming ....................................................................................... 331
SPI Serial Programming Overview ....................................................................337
SPI Serial Programming ................................................................................... 338
JTAG Programming Overview ...........................................................................342
Electrical Characteristics⁽¹⁾.............................................................. 355
Absolute Maximum Ratings*............................................................................. 355
DC Characteristics............................................................................................ 356
External Clock Drive Characteristics .................................................................358
Two-wire Serial Interface Characteristics ..........................................................359
SPI Timing Characteristics ................................................................................361
CAN Physical Layer Characteristics ................................................................. 362
ADC Characteristics ......................................................................................... 363
External Data Memory Characteristics ..............................................................365
Parallel Programming Characteristics ...............................................................371
AT90CAN128 Typical Characteristics............................................. 374
Active Supply Current ....................................................................................... 374
Idle Supply Current ........................................................................................... 377
Power-down Supply Current............................................................................. 379
Power-save Supply Current.............................................................................. 380
v