diff --git a/ports/samd/boards/ADAFRUIT_FEATHER_M0_EXPRESS/mpconfigboard.h b/ports/samd/boards/ADAFRUIT_FEATHER_M0_EXPRESS/mpconfigboard.h
index cec9e9ccdd..815597899c 100644
--- a/ports/samd/boards/ADAFRUIT_FEATHER_M0_EXPRESS/mpconfigboard.h
+++ b/ports/samd/boards/ADAFRUIT_FEATHER_M0_EXPRESS/mpconfigboard.h
@@ -1,2 +1,4 @@
 #define MICROPY_HW_BOARD_NAME "Feather M0 Express"
 #define MICROPY_HW_MCU_NAME   "SAMD21G18A"
+
+#define MICROPY_HW_XOSC32K  (1)
diff --git a/ports/samd/boards/ADAFRUIT_FEATHER_M0_EXPRESS/pins.csv b/ports/samd/boards/ADAFRUIT_FEATHER_M0_EXPRESS/pins.csv
index 84e68157ac..0985ee1646 100644
--- a/ports/samd/boards/ADAFRUIT_FEATHER_M0_EXPRESS/pins.csv
+++ b/ports/samd/boards/ADAFRUIT_FEATHER_M0_EXPRESS/pins.csv
@@ -29,6 +29,9 @@ PIN_PB22,TX
 PIN_PB23,RX
 PIN_PA23,SCL
 PIN_PA22,SDA
+PIN_PB10,MOSI
+PIN_PA12,MISO
+PIN_PB11,SCK
 PIN_PA06,NEOPIXEL
 PIN_PA13,FLASH_CS
 
diff --git a/ports/samd/boards/ADAFRUIT_FEATHER_M4_EXPRESS/mpconfigboard.h b/ports/samd/boards/ADAFRUIT_FEATHER_M4_EXPRESS/mpconfigboard.h
index 48599eec47..35945395fc 100644
--- a/ports/samd/boards/ADAFRUIT_FEATHER_M4_EXPRESS/mpconfigboard.h
+++ b/ports/samd/boards/ADAFRUIT_FEATHER_M4_EXPRESS/mpconfigboard.h
@@ -1,2 +1,4 @@
 #define MICROPY_HW_BOARD_NAME "Feather M4 Express"
 #define MICROPY_HW_MCU_NAME   "SAMD51J19A"
+
+#define MICROPY_HW_XOSC32K  (1)
diff --git a/ports/samd/boards/ADAFRUIT_FEATHER_M4_EXPRESS/pins.csv b/ports/samd/boards/ADAFRUIT_FEATHER_M4_EXPRESS/pins.csv
index 5b999c39e0..32daac3d0f 100644
--- a/ports/samd/boards/ADAFRUIT_FEATHER_M4_EXPRESS/pins.csv
+++ b/ports/samd/boards/ADAFRUIT_FEATHER_M4_EXPRESS/pins.csv
@@ -7,6 +7,8 @@
 
 PIN_PB17,D0
 PIN_PB16,D1
+-
+-
 PIN_PA14,D4
 PIN_PA16,D5
 PIN_PA18,D6
@@ -30,5 +32,12 @@ PIN_PB22,MISO
 PIN_PA17,SCK
 PIN_PB01,VDIV
 PIN_PA03,AREF
+PIN_PB03,NEOPIXEL
+PIN_PB11,FLASH_CS
+PIN_PB10,FLASH_SCK
+PIN_PA08,FLASH_MOSI
+PIN_PA09,FLASH_MISO
+PIN_PA10,FLASH_WP
+PIN_PA11,FLASH_HOLD
 
 LED_PA17,LED
diff --git a/ports/samd/boards/ADAFRUIT_ITSYBITSY_M0_EXPRESS/pins.csv b/ports/samd/boards/ADAFRUIT_ITSYBITSY_M0_EXPRESS/pins.csv
index 50c3c1cf68..d7d59c2357 100644
--- a/ports/samd/boards/ADAFRUIT_ITSYBITSY_M0_EXPRESS/pins.csv
+++ b/ports/samd/boards/ADAFRUIT_ITSYBITSY_M0_EXPRESS/pins.csv
@@ -8,7 +8,7 @@
 PIN_PA11,D0
 PIN_PA10,D1
 PIN_PA14,D2
-PIN_PB09,D3
+PIN_PA09,D3
 PIN_PA08,D4
 PIN_PA15,D5
 -
@@ -27,8 +27,8 @@ PIN_PA05,A4
 PIN_PB02,A5
 PIN_PA22,SDA
 PIN_PA23,SCL
-PIN_PB10,MO
-PIN_PA12,MI
+PIN_PB10,MOSI
+PIN_PA12,MISO
 PIN_PB11,SCK
 PIN_PA00,DOTSTAR_CLK
 PIN_PA01,DOTSTAR_DATA
diff --git a/ports/samd/boards/ADAFRUIT_ITSYBITSY_M4_EXPRESS/pins.csv b/ports/samd/boards/ADAFRUIT_ITSYBITSY_M4_EXPRESS/pins.csv
index 90e38761a1..ce760a269c 100644
--- a/ports/samd/boards/ADAFRUIT_ITSYBITSY_M4_EXPRESS/pins.csv
+++ b/ports/samd/boards/ADAFRUIT_ITSYBITSY_M4_EXPRESS/pins.csv
@@ -27,10 +27,16 @@ PIN_PA04,A4
 PIN_PA06,A5
 PIN_PA12,SDA
 PIN_PA13,SCL
-PIN_PA00,MO
-PIN_PB23,MI
+PIN_PA00,MOSI
+PIN_PB23,MISO
 PIN_PA01,SCK
 PIN_PB02,DOTSTAR_CLK
 PIN_PB03,DOTSTAR_DATA
+PIN_PB11,FLASH_CS
+PIN_PB10,FLASH_SCK
+PIN_PA08,FLASH_MOSI
+PIN_PA09,FLASH_MISO
+PIN_PA10,FLASH_WP
+PIN_PA11,FLASH_HOLD
 
 LED_PA22,LED
diff --git a/ports/samd/boards/MINISAM_M4/pins.csv b/ports/samd/boards/MINISAM_M4/pins.csv
index 7442a028d1..cf9a3bd19b 100644
--- a/ports/samd/boards/MINISAM_M4/pins.csv
+++ b/ports/samd/boards/MINISAM_M4/pins.csv
@@ -21,6 +21,9 @@ PIN_PA00,BUTTON
 PIN_PA03,AREF
 PIN_PA12,SDA
 PIN_PA13,SCL
+PIN_PB22,MOSI
+PIN_PB23,MISO
+PIN_PA01,SCK
 PIN_PB03,DOTSTAR_DATA
 PIN_PB02,DOTSTAR_CLK
 
diff --git a/ports/samd/boards/SAMD21_XPLAINED_PRO/mpconfigboard.h b/ports/samd/boards/SAMD21_XPLAINED_PRO/mpconfigboard.h
index c69b5b4c14..064d1ecc0d 100644
--- a/ports/samd/boards/SAMD21_XPLAINED_PRO/mpconfigboard.h
+++ b/ports/samd/boards/SAMD21_XPLAINED_PRO/mpconfigboard.h
@@ -1,2 +1,4 @@
 #define MICROPY_HW_BOARD_NAME "SAMD21-XPLAINED-PRO"
 #define MICROPY_HW_MCU_NAME   "SAMD21J18A"
+
+#define MICROPY_HW_XOSC32K  (1)
diff --git a/ports/samd/boards/SEEED_XIAO/mpconfigboard.h b/ports/samd/boards/SEEED_XIAO/mpconfigboard.h
index 2026efc6b1..98994a5bc0 100644
--- a/ports/samd/boards/SEEED_XIAO/mpconfigboard.h
+++ b/ports/samd/boards/SEEED_XIAO/mpconfigboard.h
@@ -1,2 +1,4 @@
 #define MICROPY_HW_BOARD_NAME "Seeed Xiao"
 #define MICROPY_HW_MCU_NAME   "SAMD21G18A"
+
+#define MICROPY_HW_XOSC32K  (1)