1 /* ----------------------------------------------------------------------------
2  *         SAM Software Package License
3  * ----------------------------------------------------------------------------
4  * Copyright (c) 2012, Atmel Corporation
5  *
6  * All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following condition is met:
10  *
11  * - Redistributions of source code must retain the above copyright notice,
12  * this list of conditions and the disclaimer below.
13  *
14  * Atmel's name may not be used to endorse or promote products derived from
15  * this software without specific prior written permission.
16  *
17  * DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR
18  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
19  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
20  * DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT,
21  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
23  * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
24  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
25  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
26  * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27  * ----------------------------------------------------------------------------
28  */
29 
30 #ifndef _SAM3N2B_
31 #define _SAM3N2B_
32 
33 /** \addtogroup SAM3N2B_definitions SAM3N2B definitions
34   This file defines all structures and symbols for SAM3N2B:
35     - registers and bitfields
36     - peripheral base address
37     - peripheral ID
38     - PIO definitions
39 */
40 /*@{*/
41 
42 #ifdef __cplusplus
43  extern "C" {
44 #endif
45 
46 #if !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__))
47 #include <stdint.h>
48 #ifndef __cplusplus
49 typedef volatile const uint32_t RoReg; /**< Read only 32-bit register (volatile const unsigned int) */
50 #else
51 typedef volatile       uint32_t RoReg; /**< Read only 32-bit register (volatile const unsigned int) */
52 #endif
53 typedef volatile       uint32_t WoReg; /**< Write only 32-bit register (volatile unsigned int) */
54 typedef volatile       uint32_t RwReg; /**< Read-Write 32-bit register (volatile unsigned int) */
55 #endif
56 
57 /* ************************************************************************** */
58 /*   CMSIS DEFINITIONS FOR SAM3N2B */
59 /* ************************************************************************** */
60 /** \addtogroup SAM3N2B_cmsis CMSIS Definitions */
61 /*@{*/
62 
63 /**< Interrupt Number Definition */
64 typedef enum IRQn
65 {
66 /******  Cortex-M3 Processor Exceptions Numbers ******************************/
67   NonMaskableInt_IRQn   = -14, /**<  2 Non Maskable Interrupt                */
68   MemoryManagement_IRQn = -12, /**<  4 Cortex-M3 Memory Management Interrupt */
69   BusFault_IRQn         = -11, /**<  5 Cortex-M3 Bus Fault Interrupt         */
70   UsageFault_IRQn       = -10, /**<  6 Cortex-M3 Usage Fault Interrupt       */
71   SVCall_IRQn           = -5,  /**< 11 Cortex-M3 SV Call Interrupt           */
72   DebugMonitor_IRQn     = -4,  /**< 12 Cortex-M3 Debug Monitor Interrupt     */
73   PendSV_IRQn           = -2,  /**< 14 Cortex-M3 Pend SV Interrupt           */
74   SysTick_IRQn          = -1,  /**< 15 Cortex-M3 System Tick Interrupt       */
75 /******  SAM3N2B specific Interrupt Numbers *********************************/
76 
77   SUPC_IRQn            =  0, /**<  0 SAM3N2B Supply Controller (SUPC) */
78   RSTC_IRQn            =  1, /**<  1 SAM3N2B Reset Controller (RSTC) */
79   RTC_IRQn             =  2, /**<  2 SAM3N2B Real Time Clock (RTC) */
80   RTT_IRQn             =  3, /**<  3 SAM3N2B Real Time Timer (RTT) */
81   WDT_IRQn             =  4, /**<  4 SAM3N2B Watchdog Timer (WDT) */
82   PMC_IRQn             =  5, /**<  5 SAM3N2B Power Management Controller (PMC) */
83   EFC_IRQn             =  6, /**<  6 SAM3N2B Enhanced Flash Controller (EFC) */
84   UART0_IRQn           =  8, /**<  8 SAM3N2B UART 0 (UART0) */
85   UART1_IRQn           =  9, /**<  9 SAM3N2B UART 1 (UART1) */
86   PIOA_IRQn            = 11, /**< 11 SAM3N2B Parallel I/O Controller A (PIOA) */
87   PIOB_IRQn            = 12, /**< 12 SAM3N2B Parallel I/O Controller B (PIOB) */
88   USART0_IRQn          = 14, /**< 14 SAM3N2B USART 0 (USART0) */
89   USART1_IRQn          = 15, /**< 15 SAM3N2B USART 1 (USART1) */
90   TWI0_IRQn            = 19, /**< 19 SAM3N2B Two Wire Interface 0 (TWI0) */
91   TWI1_IRQn            = 20, /**< 20 SAM3N2B Two Wire Interface 1 (TWI1) */
92   SPI_IRQn             = 21, /**< 21 SAM3N2B Serial Peripheral Interface (SPI) */
93   TC0_IRQn             = 23, /**< 23 SAM3N2B Timer/Counter 0 (TC0) */
94   TC1_IRQn             = 24, /**< 24 SAM3N2B Timer/Counter 1 (TC1) */
95   TC2_IRQn             = 25, /**< 25 SAM3N2B Timer/Counter 2 (TC2) */
96   ADC_IRQn             = 29, /**< 29 SAM3N2B Analog To Digital Converter (ADC) */
97   DACC_IRQn            = 30, /**< 30 SAM3N2B Digital To Analog Converter (DACC) */
98   PWM_IRQn             = 31, /**< 31 SAM3N2B Pulse Width Modulation (PWM) */
99 
100   PERIPH_COUNT_IRQn    = 32  /**< Number of peripheral IDs */
101 } IRQn_Type;
102 
103 typedef struct _DeviceVectors
104 {
105   /* Stack pointer */
106   void* pvStack;
107 
108   /* Cortex-M handlers */
109   void* pfnReset_Handler;
110   void* pfnNMI_Handler;
111   void* pfnHardFault_Handler;
112   void* pfnMemManage_Handler;
113   void* pfnBusFault_Handler;
114   void* pfnUsageFault_Handler;
115   void* pfnReserved1_Handler;
116   void* pfnReserved2_Handler;
117   void* pfnReserved3_Handler;
118   void* pfnReserved4_Handler;
119   void* pfnSVC_Handler;
120   void* pfnDebugMon_Handler;
121   void* pfnReserved5_Handler;
122   void* pfnPendSV_Handler;
123   void* pfnSysTick_Handler;
124 
125   /* Peripheral handlers */
126   void* pfnSUPC_Handler;   /*  0 Supply Controller */
127   void* pfnRSTC_Handler;   /*  1 Reset Controller */
128   void* pfnRTC_Handler;    /*  2 Real Time Clock */
129   void* pfnRTT_Handler;    /*  3 Real Time Timer */
130   void* pfnWDT_Handler;    /*  4 Watchdog Timer */
131   void* pfnPMC_Handler;    /*  5 Power Management Controller */
132   void* pfnEFC_Handler;    /*  6 Enhanced Flash Controller */
133   void* pvReserved7;
134   void* pfnUART0_Handler;  /*  8 UART 0 */
135   void* pfnUART1_Handler;  /*  9 UART 1 */
136   void* pvReserved10;
137   void* pfnPIOA_Handler;   /* 11 Parallel I/O Controller A */
138   void* pfnPIOB_Handler;   /* 12 Parallel I/O Controller B */
139   void* pvReserved13;
140   void* pfnUSART0_Handler; /* 14 USART 0 */
141   void* pfnUSART1_Handler; /* 15 USART 1 */
142   void* pvReserved16;
143   void* pvReserved17;
144   void* pvReserved18;
145   void* pfnTWI0_Handler;   /* 19 Two Wire Interface 0 */
146   void* pfnTWI1_Handler;   /* 20 Two Wire Interface 1 */
147   void* pfnSPI_Handler;    /* 21 Serial Peripheral Interface */
148   void* pvReserved22;
149   void* pfnTC0_Handler;    /* 23 Timer/Counter 0 */
150   void* pfnTC1_Handler;    /* 24 Timer/Counter 1 */
151   void* pfnTC2_Handler;    /* 25 Timer/Counter 2 */
152   void* pvReserved26;
153   void* pvReserved27;
154   void* pvReserved28;
155   void* pfnADC_Handler;    /* 29 Analog To Digital Converter */
156   void* pfnDACC_Handler;   /* 30 Digital To Analog Converter */
157   void* pfnPWM_Handler;    /* 31 Pulse Width Modulation */
158 } DeviceVectors;
159 
160 /* Cortex-M3 core handlers */
161 void Reset_Handler      ( void );
162 void NMI_Handler        ( void );
163 void HardFault_Handler  ( void );
164 void MemManage_Handler  ( void );
165 void BusFault_Handler   ( void );
166 void UsageFault_Handler ( void );
167 void SVC_Handler        ( void );
168 void DebugMon_Handler   ( void );
169 void PendSV_Handler     ( void );
170 void SysTick_Handler    ( void );
171 
172 /* Peripherals handlers */
173 void ADC_Handler        ( void );
174 void DACC_Handler       ( void );
175 void EFC_Handler        ( void );
176 void PIOA_Handler       ( void );
177 void PIOB_Handler       ( void );
178 void PMC_Handler        ( void );
179 void PWM_Handler        ( void );
180 void RSTC_Handler       ( void );
181 void RTC_Handler        ( void );
182 void RTT_Handler        ( void );
183 void SPI_Handler        ( void );
184 void SUPC_Handler       ( void );
185 void TC0_Handler        ( void );
186 void TC1_Handler        ( void );
187 void TC2_Handler        ( void );
188 void TWI0_Handler       ( void );
189 void TWI1_Handler       ( void );
190 void UART0_Handler      ( void );
191 void UART1_Handler      ( void );
192 void USART0_Handler     ( void );
193 void USART1_Handler     ( void );
194 void WDT_Handler        ( void );
195 
196 /**
197  * \brief Configuration of the Cortex-M3 Processor and Core Peripherals
198  */
199 
200 #define __CM3_REV              0x0200 /**< SAM3N2B core revision number ([15:8] revision number, [7:0] patch number) */
201 #define __MPU_PRESENT          0      /**< SAM3N2B does not provide a MPU */
202 #define __NVIC_PRIO_BITS       4      /**< SAM3N2B uses 4 Bits for the Priority Levels */
203 #define __Vendor_SysTickConfig 0      /**< Set to 1 if different SysTick Config is used */
204 
205 /*
206  * \brief CMSIS includes
207  */
208 
209 #include <core_cm3.h>
210 #if !defined DONT_USE_CMSIS_INIT
211 #include "system_sam3n.h"
212 #endif /* DONT_USE_CMSIS_INIT */
213 
214 /*@}*/
215 
216 /* ************************************************************************** */
217 /**  SOFTWARE PERIPHERAL API DEFINITION FOR SAM3N2B */
218 /* ************************************************************************** */
219 /** \addtogroup SAM3N2B_api Peripheral Software API */
220 /*@{*/
221 
222 #include "component/component_adc.h"
223 #include "component/component_chipid.h"
224 #include "component/component_dacc.h"
225 #include "component/component_efc.h"
226 #include "component/component_gpbr.h"
227 #include "component/component_matrix.h"
228 #include "component/component_pdc.h"
229 #include "component/component_pio.h"
230 #include "component/component_pmc.h"
231 #include "component/component_pwm.h"
232 #include "component/component_rstc.h"
233 #include "component/component_rtc.h"
234 #include "component/component_rtt.h"
235 #include "component/component_spi.h"
236 #include "component/component_supc.h"
237 #include "component/component_tc.h"
238 #include "component/component_twi.h"
239 #include "component/component_uart.h"
240 #include "component/component_usart.h"
241 #include "component/component_wdt.h"
242 /*@}*/
243 
244 /* ************************************************************************** */
245 /*   REGISTER ACCESS DEFINITIONS FOR SAM3N2B */
246 /* ************************************************************************** */
247 /** \addtogroup SAM3N2B_reg Registers Access Definitions */
248 /*@{*/
249 
250 #include "instance/instance_spi.h"
251 #include "instance/instance_tc0.h"
252 #include "instance/instance_twi0.h"
253 #include "instance/instance_twi1.h"
254 #include "instance/instance_pwm.h"
255 #include "instance/instance_usart0.h"
256 #include "instance/instance_usart1.h"
257 #include "instance/instance_adc.h"
258 #include "instance/instance_dacc.h"
259 #include "instance/instance_matrix.h"
260 #include "instance/instance_pmc.h"
261 #include "instance/instance_uart0.h"
262 #include "instance/instance_chipid.h"
263 #include "instance/instance_uart1.h"
264 #include "instance/instance_efc.h"
265 #include "instance/instance_pioa.h"
266 #include "instance/instance_piob.h"
267 #include "instance/instance_rstc.h"
268 #include "instance/instance_supc.h"
269 #include "instance/instance_rtt.h"
270 #include "instance/instance_wdt.h"
271 #include "instance/instance_rtc.h"
272 #include "instance/instance_gpbr.h"
273 /*@}*/
274 
275 /* ************************************************************************** */
276 /*   PERIPHERAL ID DEFINITIONS FOR SAM3N2B */
277 /* ************************************************************************** */
278 /** \addtogroup SAM3N2B_id Peripheral Ids Definitions */
279 /*@{*/
280 
281 #define ID_SUPC   ( 0) /**< \brief Supply Controller (SUPC) */
282 #define ID_RSTC   ( 1) /**< \brief Reset Controller (RSTC) */
283 #define ID_RTC    ( 2) /**< \brief Real Time Clock (RTC) */
284 #define ID_RTT    ( 3) /**< \brief Real Time Timer (RTT) */
285 #define ID_WDT    ( 4) /**< \brief Watchdog Timer (WDT) */
286 #define ID_PMC    ( 5) /**< \brief Power Management Controller (PMC) */
287 #define ID_EFC    ( 6) /**< \brief Enhanced Flash Controller (EFC) */
288 #define ID_UART0  ( 8) /**< \brief UART 0 (UART0) */
289 #define ID_UART1  ( 9) /**< \brief UART 1 (UART1) */
290 #define ID_PIOA   (11) /**< \brief Parallel I/O Controller A (PIOA) */
291 #define ID_PIOB   (12) /**< \brief Parallel I/O Controller B (PIOB) */
292 #define ID_USART0 (14) /**< \brief USART 0 (USART0) */
293 #define ID_USART1 (15) /**< \brief USART 1 (USART1) */
294 #define ID_TWI0   (19) /**< \brief Two Wire Interface 0 (TWI0) */
295 #define ID_TWI1   (20) /**< \brief Two Wire Interface 1 (TWI1) */
296 #define ID_SPI    (21) /**< \brief Serial Peripheral Interface (SPI) */
297 #define ID_TC0    (23) /**< \brief Timer/Counter 0 (TC0) */
298 #define ID_TC1    (24) /**< \brief Timer/Counter 1 (TC1) */
299 #define ID_TC2    (25) /**< \brief Timer/Counter 2 (TC2) */
300 #define ID_ADC    (29) /**< \brief Analog To Digital Converter (ADC) */
301 #define ID_DACC   (30) /**< \brief Digital To Analog Converter (DACC) */
302 #define ID_PWM    (31) /**< \brief Pulse Width Modulation (PWM) */
303 
304 #define ID_PERIPH_COUNT (32) /**< \brief Number of peripheral IDs */
305 /*@}*/
306 
307 /* ************************************************************************** */
308 /*   BASE ADDRESS DEFINITIONS FOR SAM3N2B */
309 /* ************************************************************************** */
310 /** \addtogroup SAM3N2B_base Peripheral Base Address Definitions */
311 /*@{*/
312 
313 #if (defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__))
314 #define SPI        (0x40008000U) /**< \brief (SPI       ) Base Address */
315 #define PDC_SPI    (0x40008100U) /**< \brief (PDC_SPI   ) Base Address */
316 #define TC0        (0x40010000U) /**< \brief (TC0       ) Base Address */
317 #define TWI0       (0x40018000U) /**< \brief (TWI0      ) Base Address */
318 #define PDC_TWI0   (0x40018100U) /**< \brief (PDC_TWI0  ) Base Address */
319 #define TWI1       (0x4001C000U) /**< \brief (TWI1      ) Base Address */
320 #define PWM        (0x40020000U) /**< \brief (PWM       ) Base Address */
321 #define USART0     (0x40024000U) /**< \brief (USART0    ) Base Address */
322 #define PDC_USART0 (0x40024100U) /**< \brief (PDC_USART0) Base Address */
323 #define USART1     (0x40028000U) /**< \brief (USART1    ) Base Address */
324 #define ADC        (0x40038000U) /**< \brief (ADC       ) Base Address */
325 #define PDC_ADC    (0x40038100U) /**< \brief (PDC_ADC   ) Base Address */
326 #define DACC       (0x4003C000U) /**< \brief (DACC      ) Base Address */
327 #define PDC_DACC   (0x4003C100U) /**< \brief (PDC_DACC  ) Base Address */
328 #define MATRIX     (0x400E0200U) /**< \brief (MATRIX    ) Base Address */
329 #define PMC        (0x400E0400U) /**< \brief (PMC       ) Base Address */
330 #define UART0      (0x400E0600U) /**< \brief (UART0     ) Base Address */
331 #define PDC_UART0  (0x400E0700U) /**< \brief (PDC_UART0 ) Base Address */
332 #define CHIPID     (0x400E0740U) /**< \brief (CHIPID    ) Base Address */
333 #define UART1      (0x400E0800U) /**< \brief (UART1     ) Base Address */
334 #define EFC        (0x400E0A00U) /**< \brief (EFC       ) Base Address */
335 #define PIOA       (0x400E0E00U) /**< \brief (PIOA      ) Base Address */
336 #define PIOB       (0x400E1000U) /**< \brief (PIOB      ) Base Address */
337 #define RSTC       (0x400E1400U) /**< \brief (RSTC      ) Base Address */
338 #define SUPC       (0x400E1410U) /**< \brief (SUPC      ) Base Address */
339 #define RTT        (0x400E1430U) /**< \brief (RTT       ) Base Address */
340 #define WDT        (0x400E1450U) /**< \brief (WDT       ) Base Address */
341 #define RTC        (0x400E1460U) /**< \brief (RTC       ) Base Address */
342 #define GPBR       (0x400E1490U) /**< \brief (GPBR      ) Base Address */
343 #else
344 #define SPI        ((Spi    *)0x40008000U) /**< \brief (SPI       ) Base Address */
345 #define PDC_SPI    ((Pdc    *)0x40008100U) /**< \brief (PDC_SPI   ) Base Address */
346 #define TC0        ((Tc     *)0x40010000U) /**< \brief (TC0       ) Base Address */
347 #define TWI0       ((Twi    *)0x40018000U) /**< \brief (TWI0      ) Base Address */
348 #define PDC_TWI0   ((Pdc    *)0x40018100U) /**< \brief (PDC_TWI0  ) Base Address */
349 #define TWI1       ((Twi    *)0x4001C000U) /**< \brief (TWI1      ) Base Address */
350 #define PWM        ((Pwm    *)0x40020000U) /**< \brief (PWM       ) Base Address */
351 #define USART0     ((Usart  *)0x40024000U) /**< \brief (USART0    ) Base Address */
352 #define PDC_USART0 ((Pdc    *)0x40024100U) /**< \brief (PDC_USART0) Base Address */
353 #define USART1     ((Usart  *)0x40028000U) /**< \brief (USART1    ) Base Address */
354 #define ADC        ((Adc    *)0x40038000U) /**< \brief (ADC       ) Base Address */
355 #define PDC_ADC    ((Pdc    *)0x40038100U) /**< \brief (PDC_ADC   ) Base Address */
356 #define DACC       ((Dacc   *)0x4003C000U) /**< \brief (DACC      ) Base Address */
357 #define PDC_DACC   ((Pdc    *)0x4003C100U) /**< \brief (PDC_DACC  ) Base Address */
358 #define MATRIX     ((Matrix *)0x400E0200U) /**< \brief (MATRIX    ) Base Address */
359 #define PMC        ((Pmc    *)0x400E0400U) /**< \brief (PMC       ) Base Address */
360 #define UART0      ((Uart   *)0x400E0600U) /**< \brief (UART0     ) Base Address */
361 #define PDC_UART0  ((Pdc    *)0x400E0700U) /**< \brief (PDC_UART0 ) Base Address */
362 #define CHIPID     ((Chipid *)0x400E0740U) /**< \brief (CHIPID    ) Base Address */
363 #define UART1      ((Uart   *)0x400E0800U) /**< \brief (UART1     ) Base Address */
364 #define EFC        ((Efc    *)0x400E0A00U) /**< \brief (EFC       ) Base Address */
365 #define PIOA       ((Pio    *)0x400E0E00U) /**< \brief (PIOA      ) Base Address */
366 #define PIOB       ((Pio    *)0x400E1000U) /**< \brief (PIOB      ) Base Address */
367 #define RSTC       ((Rstc   *)0x400E1400U) /**< \brief (RSTC      ) Base Address */
368 #define SUPC       ((Supc   *)0x400E1410U) /**< \brief (SUPC      ) Base Address */
369 #define RTT        ((Rtt    *)0x400E1430U) /**< \brief (RTT       ) Base Address */
370 #define WDT        ((Wdt    *)0x400E1450U) /**< \brief (WDT       ) Base Address */
371 #define RTC        ((Rtc    *)0x400E1460U) /**< \brief (RTC       ) Base Address */
372 #define GPBR       ((Gpbr   *)0x400E1490U) /**< \brief (GPBR      ) Base Address */
373 #endif /* (defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) */
374 /*@}*/
375 
376 /* ************************************************************************** */
377 /*   PIO DEFINITIONS FOR SAM3N2B */
378 /* ************************************************************************** */
379 /** \addtogroup SAM3N2B_pio Peripheral Pio Definitions */
380 /*@{*/
381 
382 #include "pio/pio_sam3n2b.h"
383 /*@}*/
384 
385 /* ************************************************************************** */
386 /*   MEMORY MAPPING DEFINITIONS FOR SAM3N2B */
387 /* ************************************************************************** */
388 
389 #define IFLASH_SIZE             (0x20000u)
390 #define IFLASH_PAGE_SIZE        (256u)
391 #define IFLASH_LOCK_REGION_SIZE (16384u)
392 #define IFLASH_NB_OF_PAGES      (512u)
393 #define IFLASH_NB_OF_LOCK_BITS  (8u)
394 #define IRAM_SIZE               (0x4000u)
395 
396 #define IFLASH_ADDR (0x00400000u) /**< Internal Flash base address */
397 #define IROM_ADDR   (0x00800000u) /**< Internal ROM base address */
398 #define IRAM_ADDR   (0x20000000u) /**< Internal RAM base address */
399 
400 /* ************************************************************************** */
401 /*   ELECTRICAL DEFINITIONS FOR SAM3N2B */
402 /* ************************************************************************** */
403 
404 /* Device characteristics */
405 #define CHIP_FREQ_SLCK_RC_MIN           (20000UL)
406 #define CHIP_FREQ_SLCK_RC               (32000UL)
407 #define CHIP_FREQ_SLCK_RC_MAX           (44000UL)
408 #define CHIP_FREQ_MAINCK_RC_4MHZ        (4000000UL)
409 #define CHIP_FREQ_MAINCK_RC_8MHZ        (8000000UL)
410 #define CHIP_FREQ_MAINCK_RC_12MHZ       (12000000UL)
411 #define CHIP_FREQ_CPU_MAX               (48000000UL)
412 #define CHIP_FREQ_XTAL_32K              (32768UL)
413 #define CHIP_FREQ_XTAL_12M              (12000000UL)
414 
415 /* Embedded Flash Write Wait State */
416 #define CHIP_FLASH_WRITE_WAIT_STATE     (6U)
417 
418 /* Embedded Flash Read Wait State (VDDCORE set at 1.65V) */
419 #define CHIP_FREQ_FWS_0                 (21000000UL) /**< \brief Maximum operating frequency when FWS is 0 */
420 #define CHIP_FREQ_FWS_1                 (32000000UL) /**< \brief Maximum operating frequency when FWS is 1 */
421 #define CHIP_FREQ_FWS_2                 (48000000UL) /**< \brief Maximum operating frequency when FWS is 2 */
422 
423 
424 #ifdef __cplusplus
425 }
426 #endif
427 
428 /*@}*/
429 
430 #endif /* _SAM3N2B_ */
431