1 //*****************************************************************************
2 //
3 //! @file system_Apollo3.h
4 //!
5 //! @brief Ambiq Micro Apollo3 MCU specific functions.
6 //
7 //*****************************************************************************
8 
9 //*****************************************************************************
10 //
11 // Copyright (c) 2024, Ambiq Micro, Inc.
12 // All rights reserved.
13 //
14 // Redistribution and use in source and binary forms, with or without
15 // modification, are permitted provided that the following conditions are met:
16 //
17 // 1. Redistributions of source code must retain the above copyright notice,
18 // this list of conditions and the following disclaimer.
19 //
20 // 2. Redistributions in binary form must reproduce the above copyright
21 // notice, this list of conditions and the following disclaimer in the
22 // documentation and/or other materials provided with the distribution.
23 //
24 // 3. Neither the name of the copyright holder nor the names of its
25 // contributors may be used to endorse or promote products derived from this
26 // software without specific prior written permission.
27 //
28 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
29 // AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
30 // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
31 // ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
32 // LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
33 // CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
34 // SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
35 // INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
36 // CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
37 // ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
38 // POSSIBILITY OF SUCH DAMAGE.
39 //
40 // This is part of revision release_sdk_3_2_0-dd5f40c14b of the AmbiqSuite Development Package.
41 //
42 //*****************************************************************************
43 
44 #ifndef SYSTEM_APOLLO3_H
45 #define SYSTEM_APOLLO3_H
46 
47 #ifdef __cplusplus
48 extern "C" {
49 #endif
50 
51 #include <stdint.h>
52 
53 extern uint32_t SystemCoreClock;     // System Clock Frequency (Core Clock)
54 
55 //*****************************************************************************
56 //
57 // External function definitions
58 //
59 //*****************************************************************************
60 extern void SystemInit (void);
61 extern void SystemCoreClockUpdate (void);
62 
63 #ifdef __cplusplus
64 }
65 #endif
66 
67 #endif  // SYSTEM_APOLLO3_H
68 
69