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K32L2AX 데이터시트(PDF) 10 Page - NXP Semiconductors

부품명 K32L2AX
상세설명  K32 L2A Microcontroller with 512 KB Flash and 128 KB SRAM
PDF  96 Pages
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제조업체  NXP [NXP Semiconductors]
홈페이지  http://www.nxp.com
Logo NXP - NXP Semiconductors

K32L2AX 데이터시트(HTML) 10 Page - NXP Semiconductors

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Enter Boot
Required Clocks
NVM option is read
FTFA_FOPT
Is
LBOOT
programmed
for alternate
divider?
Is
cleared?
Slower Clock
No
Yes
No
Yes
RESET =0
SCG is enabled
Sequence
are enabled
Flash Controller
is initialized
and stored in
FAST_INIT
is used
Faster Clock
for Flash init
-Flash Init Complete
-RESET released
-Core clock enabled
-System released
from reset
-Stack Pointer,
-Program Counter
-Link Register
[BOOTPIN_OPT]
FTFA_FOPT
No
execution at reset
Yes
execution at NMI
CPU begins
Interrupt Handler
from ROM
CPU boots
Is NMI enabled
in FTFA_FOPT?
NMI/BOOTCFG0
No
Yes
No
Or
= 0?
= 0?
Set up
is used
for Flash init
Yes
vector residing
CPU begins
in flash
Figure 2. Boot flow chart
The blank chip is default to boot from ROM and remaps the vector table to ROM base
address, otherwise, it remaps to flash address.
Overview
10
K32 L2A Microcontroller with 512 KB Flash and 128 KB SRAM, Rev. 3, 02/2021
NXP Semiconductors



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