diff --git a/src/target/hc32l110.c b/src/target/hc32l110.c
index aa9025808f1..7a6da03cf17 100644
--- a/src/target/hc32l110.c
+++ b/src/target/hc32l110.c
@@ -157,13 +157,24 @@ static void hc32l110_add_flash(target *t, uint32_t flash_size)
 	f->blocksize = HC32L110_BLOCKSIZE;
 	f->writesize = HC32L110_BLOCKSIZE; // TODO
 	f->erased = 0xffU;
+
 	f->erase = hc32l110_flash_erase;
 	f->write = hc32l110_flash_write;
 	f->prepare = hc32l110_flash_prepare;
 	f->done = hc32l110_flash_done;
+
 	target_add_flash(t, f);
 }
 
+bool hc32l110_enter_flash_mode(target *t)
+{
+  // the MCU required to have PC outside of the flash region to unlock
+  // that one specific region
+
+  uint32_t pc = 0xFFFFFFFE;
+  return t->reg_write(t, REG_PC, &pc, sizeof(pc)) == sizeof(pc);
+}
+
 bool hc32l110_probe(target *t)
 {
 	uint32_t flash_size = target_mem_read32(t, HC32L110_ADDR_FLASH_SIZE);
@@ -180,6 +191,8 @@ bool hc32l110_probe(target *t)
 	default:
 		return false;
 	}
+
+  t->enter_flash_mode = hc32l110_enter_flash_mode;
 	hc32l110_add_flash(t, flash_size);
 	return true;
 }