Microchip의 SAM R21 Xplained Pro 개발보드
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#define | NUM_PINS 18 |
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#define | LED_BUILTIN PA19 |
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#define | BUTTON_BUILTIN PA28 |
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| enum | atsamr21_xpro_pin_id {
PA06 = 0
, PA07 = 1
, PA13 = 2
, PA28 = 3
,
PA18 = 4
, PA19 = 5
, PA22 = 6
, PA23 = 7
,
PA16 = 8
, PA17 = 9
, PA05 = 10
, PA04 = 11
,
PB03 = 12
, PB22 = 13
, PB02 = 14
, PB23 = 15
,
PA08 = 16
, PA14 = 17
} |
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Microchip의 SAM R21 Xplained Pro 개발보드
Memory-map
| Name | Start Address | Size | Description |
| Flash | 0x00000000 | 256KB | Program memory |
| RAM | 0x20000000 | 32KB - 48 - NOLA_NOINIT_SIZE | bss, heap (default: 16KB), stack (default: 4KB) |
| NOINIT | 0x20007FD0 - NOLA_NOINT_SIZE | NOLA_NOINIT_SIZE | Application no-initialization section |
| NOINIT_SYS | 0x20007FD0 | 48 | System reserved no-initialization section |
Pin-map
| Pin | Digital I/O | Interrupt | Analog Input (ADC) | Analog Output (PWM) |
| PA06 | O | O | O | |
| PA07 | O | O | O | |
| PA13 | O | O | | |
| PA28 | O | O | | |
| PA18 | O | O | | |
| PA19 | O | O | | |
| PA22 | O | O | | |
| PA23 | O | O | | |
| PA16 | O | | | |
| PA17 | O | | | |
| PA05 | O | O | O | |
| PA04 | O | O | O | |
| PB03 | O | O | O | |
| PB22 | O | O | | |
| PB02 | O | O | O | |
| PB23 | O | O | | |
| PA08 | O | | O | |
| PA14 | O | O | | |
