ARMmbed
/
mbed-os
mirror of https://github.com/ARMmbed/mbed-os.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity

reserved topmost 32 bytes of RAM used by IAP functions 

NXP LPC176x/5x User Manual UM10360 Rev 4.1:
32.3.2.8 RAM used by IAP command handler
Flash programming commands use the top 32 bytes of on-chip RAM. The maximum stack 
usage in the user allocated stack space is 128 bytes and it grows downwards.
pull/4169/head
0x6d61726b 2017-04-30 14:16:52 +02:00 committed by GitHub
parent 6c3f9bd485
commit 7d9e1d4b75
1 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
targets/TARGET_NXP/TARGET_LPC176X/device/TOOLCHAIN_GCC_CS/LPC1768.ld
View File

@ -20,13 +20,13 @@ SEARCH_DIR(.)
/*
ram ORIGIN: 8_byte_aligned(49 vect * 4 bytes) = 8_byte_aligned(0xC4) = 0xC8
ram LENGTH: 32KB - 0xC8 = 0x7F38
ram LENGTH: 32KB (RAM size) - 0xC8 (NIVT) - 32 (topmost 32 bytes used by IAP functions) = 0x7F18
*/
MEMORY
{
rom (rx) : ORIGIN = 0x00000000, LENGTH = 512K
ram (rwx) : ORIGIN = 0x100000C8, LENGTH = 0x7F38
ram (rwx) : ORIGIN = 0x100000C8, LENGTH = 0x7F18
ram1(rwx) : ORIGIN = 0x2007C000, LENGTH = 16K
ram2(rwx) : ORIGIN = 0x20080000, LENGTH = 16K