
6
7682C–AUTO–04/08
AT90CAN32/64/128
24.3
Read-While-Write and No Read-While-Write Flash Sections .........................320
24.4
Boot Loader Lock Bits .....................................................................................323
24.5
Entering the Boot Loader Program .................................................................324
24.6
Addressing the Flash During Self-Programming .............................................326
24.7
Self-Programming the Flash ...........................................................................327
25
Memory Programming ......................................................................... 335
25.1
Program and Data Memory Lock Bits .............................................................335
25.2
Fuse Bits .........................................................................................................336
25.3
Signature Bytes ...............................................................................................338
25.4
Calibration Byte ...............................................................................................338
25.5
Parallel Programming Overview .....................................................................338
25.6
Parallel Programming .....................................................................................341
25.7
SPI Serial Programming Overview .................................................................347
25.8
SPI Serial Programming .................................................................................348
25.9
JTAG Programming Overview ........................................................................351
26
Decoupling Capacitors ........................................................................ 364
27
Electrical Characteristics (1) ............................................................................................... 365
27.1
Absolute Maximum Ratings* ...........................................................................365
27.2
DC Characteristics(1) .......................................................................................366
27.3
External Clock Drive Characteristics ...............................................................367
27.4
Maximum Speed vs. VCC ...............................................................................368
27.5
Two-wire Serial Interface Characteristics .......................................................370
27.6
SPI Timing Characteristics ..............................................................................371
27.7
CAN Physical Layer Characteristics ...............................................................373
27.8
ADC Characteristics((1) ...................................................................................374
27.9
External Data Memory Characteristics(1) ........................................................376
27.10 Parallel Programming Characteristics .............................................................381
28
Register Summary ............................................................................... 384
29
AT90CAN32/64/128 Typical Characteristics ...................................... 388
29.1
Active Supply Current .....................................................................................388
29.2
Idle Supply Current .........................................................................................390
29.3
Power-down Supply Current ...........................................................................394
29.4
Power-save Supply Current ............................................................................396
29.5
Pin Pull-up .......................................................................................................396