diff --git a/ports/stm32/boards/NUCLEO_F091RC/pins.csv b/ports/stm32/boards/NUCLEO_F091RC/pins.csv
index 33f9628bb4..36d3141083 100644
--- a/ports/stm32/boards/NUCLEO_F091RC/pins.csv
+++ b/ports/stm32/boards/NUCLEO_F091RC/pins.csv
@@ -1,50 +1,87 @@
+D0,PA3
+D1,PA2
+D2,PA10
+D3,PB3
+D4,PB5
+D5,PB4
+D6,PB10
+D7,PA8
+D8,PA9
+D9,PC7
+D10,PB6
+D11,PA7
+D12,PA6
+D13,PA5
+D14,PB9
+D15,PB8
 A0,PA0
 A1,PA1
-A2,PA2
-A3,PA3
-A4,PA4
-A5,PA5
-A6,PA6
-A7,PA7
-A8,PA8
-A9,PA9
-A10,PA10
-A11,PA11
-A12,PA12
-A13,PA13
-A14,PA14
-A15,PA15
-B0,PB0
-B1,PB1
-B2,PB2
-B3,PB3
-B4,PB4
-B5,PB5
-B6,PB6
-B7,PB7
-B8,PB8
-B9,PB9
-B10,PB10
-B11,PB11
-B12,PB12
-B13,PB13
-B14,PB14
-B15,PB15
-C0,PC0
-C1,PC1
-C2,PC2
-C3,PC3
-C4,PC4
-C5,PC5
-C6,PC6
-C7,PC7
-C8,PC8
-C9,PC9
-C10,PC10
-C11,PC11
-C12,PC12
-C13,PC13
-C14,PC14
-C15,PC15
+A2,PA4
+A3,PB0
+A4,PC1
+A5,PC0
+RX,PA3
+TX,PA2
+SCL,PB8
+SDA,PB9
+SCK,PA5
+MISO,PA6
+MOSI,PA7
+CS,PB6
+BOOT0,PF11
+SWDIO,PA13
+SWCLK,PA14
 USER_B1,PC13
 LED_GREEN,PA5
+PA0,PA0
+PA1,PA1
+PA2,PA2
+PA3,PA3
+PA4,PA4
+PA5,PA5
+PA6,PA6
+PA7,PA7
+PA8,PA8
+PA9,PA9
+PA10,PA10
+PA11,PA11
+PA12,PA12
+PA13,PA13
+PA14,PA14
+PA15,PA15
+PB0,PB0
+PB1,PB1
+PB2,PB2
+PB3,PB3
+PB4,PB4
+PB5,PB5
+PB6,PB6
+PB7,PB7
+PB8,PB8
+PB9,PB9
+PB10,PB10
+PB11,PB11
+PB12,PB12
+PB13,PB13
+PB14,PB14
+PB15,PB15
+PC0,PC0
+PC1,PC1
+PC2,PC2
+PC3,PC3
+PC4,PC4
+PC5,PC5
+PC6,PC6
+PC7,PC7
+PC8,PC8
+PC9,PC9
+PC10,PC10
+PC11,PC11
+PC12,PC12
+PC13,PC13
+PC14,PC14
+PC15,PC15
+PD2,PD2
+PF0,PF0
+PF1,PF1
+PF11,PF11