ATMEGA16HVBPRE Datasheet, PDF (272/275 Pages) ATMEL Corporation – 32 x 8 General Purpose Working Registers

8042B–AVR–06/10
ATmega16HVB/32HVB
25.4Register Description ............................................................................................153
26 Cell Balancing ...................................................................................... 154
26.1Overview .............................................................................................................154
26.2Register Description ............................................................................................155
27 2-wire Serial Interface .......................................................................... 156
27.1Features ..............................................................................................................156
27.2Two-wire Serial Interface Bus Definition ..............................................................156
27.3Data Transfer and Frame Format ........................................................................157
27.4Multi-master Bus Systems, Arbitration and Synchronization ...............................160
27.5Overview of the TWI Module ...............................................................................162
27.6Using the TWI ......................................................................................................165
27.7Transmission Modes ...........................................................................................168
27.8Multi-master Systems and Arbitration ..................................................................181
27.9Bus Connect/Disconnect for Two-wire Serial Interface .......................................183
27.10Register Description ..........................................................................................184
28 debugWIRE On-chip Debug System .................................................. 189
28.1Features ..............................................................................................................189
28.2Overview .............................................................................................................189
28.3Physical Interface ................................................................................................189
28.4Software Break Points .........................................................................................190
28.5Limitations of debugWIRE ...................................................................................190
28.6Register Description ............................................................................................190
29 Boot Loader Support – Read-While-Write Self-Programming ......... 191
29.1Features ..............................................................................................................191
29.2Overview .............................................................................................................191
29.3Application and Boot Loader Flash Sections .......................................................191
29.4Read-While-Write and No Read-While-Write Flash Sections ..............................192
29.5Boot Loader Lock Bits .........................................................................................194
29.6Entering the Boot Loader Program ......................................................................195
29.7Addressing the Flash During Self-Programming .................................................196
29.8Self-Programming the Flash ................................................................................197
29.9Register Description ............................................................................................206
30 Memory Programming ......................................................................... 208
30.1Program And Data Memory Lock Bits .................................................................208
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