Fujitsu MB91460 SERIES Nota de aplicación - Página 4
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Contents
REVISION HISTORY.............................................................................................................. 2
WARRANTY AND DISCLAIMER ........................................................................................... 3
CONTENTS ............................................................................................................................ 4
1 INTRODUCTION................................................................................................................ 5
2 SETTINGS OF THE START91460.ASM ........................................................................... 6
2.1
Controller Device (DEVICE)...................................................................................... 6
2.2
Boot / Flash Security (BOOT_FLASH_SEC) ............................................................ 6
2.3
Stack Type and Stack Size (STACKUSE, ...)........................................................... 7
2.3.1
STACKUSE................................................................................................. 7
2.3.2
STACK_RESERVE, STACK_SYS_SIZE, STACK_USR_SIZE .................. 7
2.3.3
STACK_FILL, STACK_PATTERN .............................................................. 8
2.4
Copy code from Flash to I-RAM (I_RAM) ................................................................. 8
2.5
Low-Level Library Interface (CLIBINIT)..................................................................... 9
2.6
C++ startup (CPLUSPLUS)....................................................................................... 9
2.7
Clock Configuration................................................................................................. 10
2.7.1
Clock Selection (CLOCKSPEED) ............................................................. 10
2.7.2
Select Clock Modulator (CLOMO, CMPR) ................................................ 11
2.8
External Bus Interface (EXTBUS) ........................................................................... 13
3 USER CLOCK SETTINGS (CLOCKSPEED == CLOCK_USER) ................................... 14
3.1
Clock source (CLOCKSOURCE, ENABLE_SUBCLOCK) ...................................... 15
3.2
PLL ratio (PLLSPEED)............................................................................................ 16
3.3
PLL Auto Gear-Up and -Down (DIV_G, MUL_G)................................................... 18
3.4
Clock divider (CPUCLOCK, PERCLOCK, EXTBUSCLOCK).................................. 20
3.5
CAN clock (PSCLOCKSOURCE, PSDVC, CANCLOCK) ....................................... 21
3.6
Voltage Regulator (REGULATORCTRL, REGULATORSEL) ................................. 23
3.7
Memory Controller (FLASHCONTROL, FLASHREADT, FLASHMWT2) ................ 25
4 SECTION AND DATA DECLARATION .......................................................................... 28
4.1
Default Sections ...................................................................................................... 28
4.2
Additional Sections.................................................................................................. 29
MCU-AN-300021-E-V10
Start91460.asm
Contents
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