Datasheet

v
ATmega169A/PA/329A/PA/649A/P/3290A/PA/6490A/P [DATASHEET]
8284E–AVR–02/2013
22.3Register description .............................................................................................204
23 Analog to Digital Converter .................................................................206
23.1Features ..............................................................................................................206
23.2Overview ..............................................................................................................206
23.3Operation .............................................................................................................207
23.4Starting a Conversion ..........................................................................................208
23.5Prescaling and Conversion Timing ......................................................................209
23.6Changing Channel or Reference Selection .........................................................211
23.7ADC Noise Canceler ...........................................................................................212
23.8ADC Conversion Result .......................................................................................216
23.9Register description .............................................................................................218
24 LCD Controller ...................................................................................... 223
24.1Features ..............................................................................................................223
24.2Overview ..............................................................................................................223
24.3Mode of operation ................................................................................................226
24.4LCD Usage ..........................................................................................................228
24.5Register description .............................................................................................233
25 JTAG Interface and On-chip Debug System ......................................239
25.1Features ..............................................................................................................239
25.2Overview ..............................................................................................................239
25.3TAP – Test Access Port ......................................................................................239
25.4TAP Controller .....................................................................................................241
25.5Using the Boundary-scan chain ...........................................................................242
25.6Using the On-chip Debug System .......................................................................242
25.7On-chip Debug specific JTAG instructions ..........................................................243
25.8Using the JTAG Programming Capabilities .........................................................243
25.9Bibliography .........................................................................................................243
25.10Register description ...........................................................................................244
26 IEEE 1149.1 (JTAG) Boundary-scan ................................................... 245
26.1Features ..............................................................................................................245
26.2Overview ..............................................................................................................245
26.3Data registers ......................................................................................................246
26.4Boundary-scan specific JTAG instructions ..........................................................247
26.5Boundary-scan Chain ..........................................................................................248
26.6Atmel ATmega169A/169PA/329A/329PA/3290A/3290PA/649A/649P/6490A/6490P Boundary-scan
order 257