8.1 Peripheral Module Address Map
The address map shows the base address for each peripheral. For a complete register description and summary for each peripheral module, refer to the respective module section.
Base | Name | Description | 28-Pin | 32-Pin | 48-Pin |
|---|---|---|---|---|---|
| 0x0000 | VPORTA | Virtual Port A | X | X | X |
| 0x0004 | VPORTB | Virtual Port B | X | ||
| 0x0008 | VPORTC | Virtual Port C | X | X | X |
| 0x000C | VPORTD | Virtual Port D | X | X | X |
| 0x0010 | VPORTE | Virtual Port E | X | ||
| 0x0014 | VPORTF | Virtual Port F | X | X | X |
| 0x001C | GPIO | General Purpose I/O registers | X | X | X |
| 0x0030 | CPU | CPU | X | X | X |
| 0x0040 | RSTCTRL | Reset Controller | X | X | X |
| 0x0050 | SLPCTRL | Sleep Controller | X | X | X |
| 0x0060 | CLKCTRL | Clock Controller | X | X | X |
| 0x0080 | BOD | Brown-out Detector | X | X | X |
| 0x00A0 | VREF | Voltage Reference | X | X | X |
| 0x0100 | WDT | Watchdog Timer | X | X | X |
| 0x0110 | CPUINT | Interrupt Controller | X | X | X |
| 0x0120 | CRCSCAN | Cyclic Redundancy Check Memory Scan | X | X | X |
| 0x0140 | RTC | Real-Time Counter | X | X | X |
| 0x0180 | EVSYS | Event System | X | X | X |
| 0x01C0 | CCL | Configurable Custom Logic | X | X | X |
| 0x0400 | PORTA | Port A Configuration | X | X | X |
| 0x0420 | PORTB | Port B Configuration | X | ||
| 0x0440 | PORTC | Port C Configuration | X | X | X |
| 0x0460 | PORTD | Port D Configuration | X | X | X |
| 0x0480 | PORTE | Port E Configuration | X | ||
| 0x04A0 | PORTF | Port F Configuration | X | X | X |
| 0x05E0 | PORTMUX | Port Multiplexer | X | X | X |
| 0x0600 | ADC0 | Analog-to-Digital Converter | X | X | X |
| 0x0680 | AC0 | Analog Comparator 0 | X | X | X |
| 0x0800 | USART0 | Universal Synchronous Asynchronous Receiver Transmitter 0 | X | X | X |
| 0x0820 | USART1 | Universal Synchronous Asynchronous Receiver Transmitter 1 | X | X | X |
| 0x0840 | USART2 | Universal Synchronous Asynchronous Receiver Transmitter 2 | X | X | X |
| 0x0860 | USART3 | Universal Synchronous Asynchronous Receiver Transmitter 3 | X | ||
| 0x08A0 | TWI0 | Two-Wire Interface | X | X | X |
| 0x08C0 | SPI0 | Serial Peripheral Interface | X | X | X |
| 0x0A00 | TCA0 | Timer/Counter Type A instance 0 | X | X | X |
| 0x0A80 | TCB0 | Timer/Counter Type B instance 0 | X | X | X |
| 0x0A90 | TCB1 | Timer/Counter Type B instance 1 | X | X | X |
| 0x0AA0 | TCB2 | Timer/Counter Type B instance 2 | X | X | X |
| 0x0AB0 | TCB3 | Timer/Counter Type B instance 3 | X | ||
| 0x0F00 | SYSCFG | System Configuration | X | X | X |
| 0x1000 | NVMCTRL | Nonvolatile Memory Controller | X | X | X |
| 0x1100 | SIGROW | Signature Row | X | X | X |
| 0x1280 | FUSE | Device-specific fuses | X | X | X |
| 0x1300 | USERROW | User Row | X | X | X |