Datasheet
iv
32142D–06/2013
ATUC64/128/256L3/4U
15.7 Module Configuration ....................................................................................351
16 Watchdog Timer (WDT) ....................................................................... 352
16.1 Features ........................................................................................................352
16.2 Overview ........................................................................................................352
16.3 Block Diagram ...............................................................................................352
16.4 Product Dependencies ..................................................................................352
16.5 Functional Description ...................................................................................353
16.6 User Interface ................................................................................................358
16.7 Module Configuration ....................................................................................364
17 External Interrupt Controller (EIC) ..................................................... 365
17.1 Features ........................................................................................................365
17.2 Overview ........................................................................................................365
17.3 Block Diagram ...............................................................................................365
17.4 I/O Lines Description .....................................................................................366
17.5 Product Dependencies ..................................................................................366
17.6 Functional Description ...................................................................................366
17.7 User Interface ................................................................................................370
17.8 Module Configuration ....................................................................................386
18 Frequency Meter (FREQM) .................................................................. 387
18.1 Features ........................................................................................................387
18.2 Overview ........................................................................................................387
18.3 Block Diagram ...............................................................................................387
18.4 Product Dependencies ..................................................................................387
18.5 Functional Description ...................................................................................388
18.6 User Interface ................................................................................................390
18.7 Module Configuration ....................................................................................401
19 General-Purpose Input/Output Controller (GPIO) ............................. 403
19.1 Features ........................................................................................................403
19.2 Overview ........................................................................................................403
19.3 Block Diagram ...............................................................................................403
19.4 I/O Lines Description .....................................................................................404
19.5 Product Dependencies ..................................................................................404
19.6 Functional Description ...................................................................................405
19.7 User Interface ................................................................................................410
19.8 Module Configuration ....................................................................................433