diff --git a/data/registers/fsmc_v1x0.yaml b/data/registers/fsmc_v1x0.yaml
index b31e75c..516aaa7 100644
--- a/data/registers/fsmc_v1x0.yaml
+++ b/data/registers/fsmc_v1x0.yaml
@@ -1,4 +1,5 @@
 # stm32f100
+# stm32l1
 ---
 block/FSMC:
   description: Flexible static memory controller
diff --git a/src/chips.rs b/src/chips.rs
index f33a369..54f72f6 100644
--- a/src/chips.rs
+++ b/src/chips.rs
@@ -294,16 +294,16 @@ impl PeriMatcher {
             ("STM32F[24].*:ETH:.*", ("eth", "v1b", "ETH")),
             ("STM32F7.*:ETH:.*", ("eth", "v1c", "ETH")),
             (".*ETH:ethermac110_v3_0", ("eth", "v2", "ETH")),
-            ("STM32F4[0123].*:FS?MC:.*", ("fmc", "v2x3", "FMC")),
-            ("STM32F446.*:FMC:.*", ("fmc", "v3x1", "FMC")),
-            ("STM32F469.*:FMC:.*", ("fmc", "v3x1", "FMC")),
-            ("STM32F7.*:FMC:.*", ("fmc", "v3x1", "FMC")),
-            ("STM32H7.*:FMC:.*", ("fmc", "v4x1", "FMC")),
+            ("STM32F4[0123].*:FS?MC:.*", ("fmc", "v1x3", "FMC")),
+            ("STM32F446.*:FMC:.*", ("fmc", "v2x1", "FMC")),
+            ("STM32F469.*:FMC:.*", ("fmc", "v2x1", "FMC")),
+            ("STM32F7.*:FMC:.*", ("fmc", "v2x1", "FMC")),
+            ("STM32H7.*:FMC:.*", ("fmc", "v3x1", "FMC")),
             ("STM32F100.*:FSMC:.*", ("fsmc", "v1x0", "FSMC")),
             ("STM32F10[12357].*:FSMC:.*", ("fsmc", "v1x3", "FSMC")),
             ("STM32F2.*:FSMC:.*", ("fsmc", "v1x3", "FSMC")),
             ("STM32F3.*:FSMC:.*", ("fsmc", "v2x3", "FSMC")),
-            ("STM32L1.*:FSMC:.*", ("fsmc", "v1x1", "FSMC")),
+            ("STM32L1.*:FSMC:.*", ("fsmc", "v1x0", "FSMC")),
             ("STM32L4.*:FSMC:.*", ("fsmc", "v3x1", "FSMC")),
             ("STM32G4.*:FSMC:.*", ("fsmc", "v4x1", "FSMC")),
             ("STM32L5.*:FSMC:.*", ("fsmc", "v4x1", "FSMC")),