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-rw-r--r--electronics/stm32.txt9
1 files changed, 9 insertions, 0 deletions
diff --git a/electronics/stm32.txt b/electronics/stm32.txt
index 6785840..4678b06 100644
--- a/electronics/stm32.txt
+++ b/electronics/stm32.txt
@@ -1,4 +1,13 @@
+Memory Utilization
+=====================
+
+'text' is what ends up in flash (only).
+'data' is initialized variables: need to be storad in flash, then end up in RAM.
+'bss' is uninitialized data: nothing in flash, but does consume RAM.
+
+The "-x --format=sysv" flags to arm-none-eabi-size can be helpful.
+
Debugging
================