diff --git a/atmel-samd/mpconfigport.h b/atmel-samd/mpconfigport.h
index 3a79d33943..4cebf356d6 100644
--- a/atmel-samd/mpconfigport.h
+++ b/atmel-samd/mpconfigport.h
@@ -180,7 +180,6 @@ extern const struct _mp_obj_module_t usb_hid_module;
         { MP_OBJ_NEW_QSTR(MP_QSTR_audiobusio), (mp_obj_t)&audiobusio_module }, \
         { MP_OBJ_NEW_QSTR(MP_QSTR_gamepad),(mp_obj_t)&gamepad_module }, \
         { MP_OBJ_NEW_QSTR(MP_QSTR_nvm), (mp_obj_t)&cpy_nvm_module }, \
-        { MP_OBJ_NEW_QSTR(MP_QSTR_pulseio), (mp_obj_t)&pulseio_module }, \
         { MP_OBJ_NEW_QSTR(MP_QSTR_bitbangio), (mp_obj_t)&bitbangio_module }
     #define EXPRESS_BOARD
 #else
@@ -201,6 +200,7 @@ extern const struct _mp_obj_module_t usb_hid_module;
     { MP_OBJ_NEW_QSTR(MP_QSTR_analogio), (mp_obj_t)&analogio_module }, \
     { MP_OBJ_NEW_QSTR(MP_QSTR_digitalio), (mp_obj_t)&digitalio_module }, \
     { MP_OBJ_NEW_QSTR(MP_QSTR_busio), (mp_obj_t)&busio_module }, \
+    { MP_OBJ_NEW_QSTR(MP_QSTR_pulseio), (mp_obj_t)&pulseio_module }, \
     { MP_OBJ_NEW_QSTR(MP_QSTR_board), (mp_obj_t)&board_module }, \
     { MP_OBJ_NEW_QSTR(MP_QSTR_os), (mp_obj_t)&os_module }, \
     { MP_OBJ_NEW_QSTR(MP_QSTR_random), (mp_obj_t)&random_module }, \
diff --git a/shared-bindings/index.rst b/shared-bindings/index.rst
index 556626268b..06fcc1188e 100644
--- a/shared-bindings/index.rst
+++ b/shared-bindings/index.rst
@@ -27,7 +27,7 @@ Module / Port      SAMD21   SAMD21 Express  ESP8266
 `neopixel_write`   **Yes**  **Yes**         **Yes**
 `nvm`              No       **Yes**         No
 `os`               **Yes**  **Yes**         **Yes**
-`pulseio`          No       **Yes**         No
+`pulseio`          **Yes**  **Yes**         No
 `random`           **Yes**  **Yes**         **Yes**
 `storage`          **Yes**  **Yes**         **Yes**
 `time`             **Yes**  **Yes**         **Yes**