diff --git a/libs/core/_locales/core-strings.json b/libs/core/_locales/core-strings.json
index 836b367e..5ff7b7e7 100644
--- a/libs/core/_locales/core-strings.json
+++ b/libs/core/_locales/core-strings.json
@@ -7,6 +7,19 @@
   "AcceleratorRange.OneG|block": "1g",
   "AcceleratorRange.TwoG": "The accelerator measures forces up to 2 gravity",
   "AcceleratorRange.TwoG|block": "2g",
+  "AnalogPin.P11|block": "P11 (write only)",
+  "AnalogPin.P12|block": "P12 (write only)",
+  "AnalogPin.P13|block": "P13 (write only)",
+  "AnalogPin.P14|block": "P14 (write only)",
+  "AnalogPin.P15|block": "P15 (write only)",
+  "AnalogPin.P16|block": "P16 (write only)",
+  "AnalogPin.P19|block": "P19 (write only)",
+  "AnalogPin.P20|block": "P20 (write only)",
+  "AnalogPin.P5|block": "P5 (write only)",
+  "AnalogPin.P6|block": "P6 (write only)",
+  "AnalogPin.P7|block": "P5 (write only)",
+  "AnalogPin.P8|block": "P8 (write only)",
+  "AnalogPin.P9|block": "P9 (write only)",
   "BaudRate.BaudRate115200|block": "115200",
   "BaudRate.BaudRate9600|block": "9600",
   "BeatFraction.Breve|block": "4",
diff --git a/libs/core/enums.d.ts b/libs/core/enums.d.ts
index 3b892107..d68e67d1 100644
--- a/libs/core/enums.d.ts
+++ b/libs/core/enums.d.ts
@@ -280,6 +280,32 @@ declare namespace led {
     P3 = 10,  // MICROBIT_ID_IO_P3
     P4 = 11,  // MICROBIT_ID_IO_P4
     P10 = 17,  // MICROBIT_ID_IO_P10
+    //% block="P5 (write only)"
+    P5 = 12,  // MICROBIT_ID_IO_P5
+    //% block="P6 (write only)"
+    P6 = 13,  // MICROBIT_ID_IO_P6
+    //% block="P5 (write only)"
+    P7 = 14,  // MICROBIT_ID_IO_P7
+    //% block="P8 (write only)"
+    P8 = 15,  // MICROBIT_ID_IO_P8
+    //% block="P9 (write only)"
+    P9 = 16,  // MICROBIT_ID_IO_P9
+    //% block="P11 (write only)"
+    P11 = 18,  // MICROBIT_ID_IO_P11
+    //% block="P12 (write only)"
+    P12 = 19,  // MICROBIT_ID_IO_P12
+    //% block="P13 (write only)"
+    P13 = 20,  // MICROBIT_ID_IO_P13
+    //% block="P14 (write only)"
+    P14 = 21,  // MICROBIT_ID_IO_P14
+    //% block="P15 (write only)"
+    P15 = 22,  // MICROBIT_ID_IO_P15
+    //% block="P16 (write only)"
+    P16 = 23,  // MICROBIT_ID_IO_P16
+    //% block="P19 (write only)"
+    P19 = 24,  // MICROBIT_ID_IO_P19
+    //% block="P20 (write only)"
+    P20 = 25,  // MICROBIT_ID_IO_P20
     }
 
 
diff --git a/libs/core/pins.cpp b/libs/core/pins.cpp
index b6ea1ed4..5b3f0699 100644
--- a/libs/core/pins.cpp
+++ b/libs/core/pins.cpp
@@ -29,6 +29,32 @@ enum class AnalogPin {
     P3 = MICROBIT_ID_IO_P3,
     P4 = MICROBIT_ID_IO_P4,
     P10 = MICROBIT_ID_IO_P10,
+    //% block="P5 (write only)"
+    P5 = MICROBIT_ID_IO_P5,
+    //% block="P6 (write only)"
+    P6 = MICROBIT_ID_IO_P6,
+    //% block="P5 (write only)"
+    P7 = MICROBIT_ID_IO_P7,
+    //% block="P8 (write only)"
+    P8 = MICROBIT_ID_IO_P8,
+    //% block="P9 (write only)"
+    P9 = MICROBIT_ID_IO_P9,
+    //% block="P11 (write only)"
+    P11 = MICROBIT_ID_IO_P11,
+    //% block="P12 (write only)"
+    P12 = MICROBIT_ID_IO_P12,
+    //% block="P13 (write only)"
+    P13 = MICROBIT_ID_IO_P13,
+    //% block="P14 (write only)"
+    P14 = MICROBIT_ID_IO_P14,
+    //% block="P15 (write only)"
+    P15 = MICROBIT_ID_IO_P15,
+    //% block="P16 (write only)"
+    P16 = MICROBIT_ID_IO_P16,
+    //% block="P19 (write only)"
+    P19 = MICROBIT_ID_IO_P19,
+    //% block="P20 (write only)"
+    P20 = MICROBIT_ID_IO_P20
 };
 
 enum class PulseValue {