PWM Channel Update Register................................................................... 387
PWM Version Register................................................................................. 388
Analog-to-digital Converter (ADC)............................................................. 389
Overview.......................................................................................................... 389
Block Diagram................................................................................................. 389
Signal Description .......................................................................................... 390
Product Dependencies................................................................................... 390
Power Management..................................................................................... 390
Interrupt Sources.......................................................................................... 390
Analog Inputs ............................................................................................... 390
I/O Lines....................................................................................................... 390
Timer Triggers.............................................................................................. 390
Conversion Performances............................................................................ 390
Functional Description................................................................................... 391
Analog-to-digital Conversion........................................................................ 391
Conversion Reference ................................................................................. 391
Conversion Resolution................................................................................. 391
Conversion Results...................................................................................... 391
Conversion Triggers..................................................................................... 393
Sleep Mode and Conversion Sequencer ..................................................... 394
ADC Timings................................................................................................ 394
Analog-to-digital Converter (ADC) User Interface....................................... 395
ADC Control Register................................................................................... 396
ADC Mode Register ..................................................................................... 397
ADC Channel Enable Register..................................................................... 399
ADC Channel Disable Register.................................................................... 399
ADC Channel Status Register...................................................................... 400
ADC Status Register.................................................................................... 401
ADC Last Converted Data Register ............................................................. 402
ADC Interrupt Enable Register..................................................................... 403
ADC Interrupt Disable Register.................................................................... 404
AT91SAM7S32 Electrical Characteristics ................................................. 405
Absolute Maximum Ratings........................................................................... 405
DC Characteristics.......................................................................................... 406
Power Consumption....................................................................................... 408
Power Consumption Versus Modes............................................................. 408
Peripheral Power Consumption in Active Mode........................................... 410
Power Consumption versus Master Clock Frequency in Active Mode......... 411
Power Consumption versus Master Clock Frequency in
Ultra Low-power Mode .................................................................................. 412
Crystal Oscillators Characteristics............................................................... 413
RC Oscillator Characteristics ....................................................................... 413
Main Oscillator Characteristics..................................................................... 413
xii
AT91SAM7S32 Preliminary
6071A–ATARM–28-Oct-04