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-rw-r--r--chip/stm32/config-stm32f100.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/chip/stm32/config-stm32f100.h b/chip/stm32/config-stm32f100.h
index 21d91f6695..ac9c12197d 100644
--- a/chip/stm32/config-stm32f100.h
+++ b/chip/stm32/config-stm32f100.h
@@ -9,7 +9,7 @@
#define CONFIG_FLASH_SIZE CONFIG_FLASH_PHYSICAL_SIZE
#define CONFIG_FLASH_BANK_SIZE 0x1000
#define CONFIG_FLASH_ERASE_SIZE 0x0400 /* erase bank size */
-#define CONFIG_FLASH_WRITE_SIZE 0x0040 /* minimum write size */
+#define CONFIG_FLASH_WRITE_SIZE 0x0002 /* minimum write size */
#define CONFIG_RAM_BASE 0x20000000
#define CONFIG_RAM_SIZE 0x00002000