at91rm3400 ATMEL Corporation, at91rm3400 Datasheet - Page 452

• Manufacturer Part Number: at91rm3400
• Description: Atmel Advanced At91 Arm Microcontroller
• Manufacturer: ATMEL Corporation

1790A–ATARM–11/03
System Timer (ST) ....................................................................................... 155
Functional Description................................................................................... 128
Clock Switching Details ................................................................................. 137
Power Management Controller (PMC) User Interface ................................ 140
Overview.......................................................................................................... 155
Block Diagram................................................................................................. 155
Application Block Diagram ............................................................................ 155
Product Dependencies................................................................................... 156
Functional Description................................................................................... 156
System Timer Clock ....................................................................................... 156
Interrupt........................................................................................................ 127
Oscillator and PLL Characteristics ............................................................... 127
Peripheral Clocks ......................................................................................... 127
USB Clocks .................................................................................................. 127
Operating Modes Definition.......................................................................... 128
Clock Definitions .......................................................................................... 128
Clock Generator ........................................................................................... 128
Slow Clock Oscillator ................................................................................... 129
Main Oscillator ............................................................................................. 130
Divider and PLL Blocks ................................................................................ 132
Clock Controllers .......................................................................................... 133
Master Clock Switching Timings .................................................................. 137
Clock Switching Waveforms......................................................................... 138
PMC System Clock Enable Register............................................................ 141
PMC System Clock Disable Register ........................................................... 142
PMC System Clock Status Register............................................................. 143
PMC Peripheral Clock Enable Register ....................................................... 144
PMC Peripheral Clock Disable Register ...................................................... 144
PMC Peripheral Clock Status Register ........................................................ 145
PMC Clock Generator Main Oscillator Register ........................................... 146
PMC Clock Generator Main Clock Frequency Register ............................... 147
PMC Clock Generator PLL A Register ......................................................... 148
PMC Clock Generator PLL B Register ......................................................... 149
PMC Master Clock Register ......................................................................... 150
PMC Programmable Clock Register 0 to 3 .................................................. 151
PMC Interrupt Enable Register .................................................................... 152
PMC Interrupt Disable Register ................................................................... 152
PMC Status Register.................................................................................... 153
PMC Interrupt Mask Register ....................................................................... 154
Power Management ..................................................................................... 156
Interrupt Sources.......................................................................................... 156
Watchdog Overflow ...................................................................................... 156
Period Interval Timer (PIT) ........................................................................... 156
Watchdog Timer (WDT) ............................................................................... 157
Real-time Timer (RTT) ................................................................................. 157
AT91RM3400
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