diff --git a/mcu/st_stm32f030.yaml b/mcu/st_stm32f030.yaml
new file mode 100644
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+name: STM32F103
+suffix: F4, K6, C6, C8, CC, R8, RC
+variations: TSSOP20, LQFP32, LQFP48, LQFP64
+description: ARM Cartex-M0 micro-controller
+keywords: IC, MCU, Micro-Controller, STM32, STM32F030
+datasheet: https://www.st.com/en/microcontrollers-microprocessors/stm32f030c8.html
+
+pinout@LQFP64:
+  PORTA:
+    PA0: 14
+    PA1: 15
+    PA2: 16
+    PA3: 17
+    PA4: 20
+    PA5: 21
+    PA6: 22
+    PA7: 23
+    PA8: 41
+    PA9: 42
+    PA10: 43
+    PA11: 44
+    PA12: 45
+    PA13-SWDIO: 46
+    PA14-SWCLK: 49
+    PA15: 50
+  PORTB:
+    PB0: 26
+    PB1: 27
+    PB2: 28
+    PB3: 55
+    PB4: 56
+    PB5: 57
+    PB6: 58
+    PB7: 59
+    PB8: 61
+    PB9: 62
+    PB10: 29
+    PB11: 30
+    PB12: 33
+    PB13: 34
+    PB14: 35
+    PB15: 36
+  PORTC:
+    PC0: 8
+    PC1: 9
+    PC2: 10
+    PC3: 11
+    PC4: 24
+    PC5: 25
+    PC6: 37
+    PC7: 38
+    PC8: 39
+    PC9: 40
+    PC10: 51
+    PC11: 52
+    PC12: 53
+    PC13: 2
+    PC14-OSC32_IN: 3
+    PC15-OSC32_OUT: 4
+  PORTD:
+    PD2: 54
+  PORTF:
+    PF0-OSC_IN: 5
+    PF1-OSC_OUT: 6
+    PF4-GND: 18
+    PF5-VDD: 19
+    PF6-GBD: 47
+    PF7-VDD: 48
+  CTRL:
+    NRST: 7
+    BOOT0: 60
+  GROUND:
+    VSS: 31, 63
+    VSSA: 12
+  POWER:
+    VDD: 1, 32, 64
+    VDDA: 13
+
+pinout@LQFP48:
+  PORTA:
+    PA0: 10
+    PA1: 11
+    PA2: 12
+    PA3: 13
+    PA4: 14
+    PA5: 15
+    PA6: 16
+    PA7: 17
+    PA8: 29
+    PA9: 30
+    PA10: 31
+    PA11: 32
+    PA12: 33
+    PA13-SWDIO: 34
+    PA14-SWCLK: 37
+    PA15: 38
+  PORTB:
+    PB0: 18
+    PB1: 19
+    PB2: 20
+    PB3: 39
+    PB4: 40
+    PB5: 41
+    PB6: 42
+    PB7: 43
+    PB8: 45
+    PB9: 46
+    PB10: 21
+    PB11: 22
+    PB12: 25
+    PB13: 26
+    PB14: 27
+    PB15: 28
+  PORTC:
+    PC13: 2
+    PC14-OSC32_IN: 3
+    PC15-OSC32_OUT: 4
+  PORTF:
+    PF0-OSC_IN: 5
+    PF1-OSC_OUT: 6
+    PF6-GBD: 35
+    PF7-VDD: 36
+  CTRL:
+    NRST: 7
+    BOOT0: 44
+  GROUND:
+    VSS: 23, 47
+    VSSA: 8
+  POWER:
+    VDD: 1, 24, 48
+    VDDA: 9
+
+pinout@LQFP32:
+  PORTA:
+    PA0: 6
+    PA1: 7
+    PA2: 8
+    PA3: 9
+    PA4: 10
+    PA5: 11
+    PA6: 12
+    PA7: 13
+    PA8: 18
+    PA9: 19
+    PA10: 20
+    PA11: 21
+    PA12: 22
+    PA13-SWDIO: 23
+    PA14-SWCLK: 24
+    PA15: 25
+  PORTB:
+    PB0: 14
+    PB1: 15
+    PB3: 26
+    PB4: 27
+    PB5: 28
+    PB6: 29
+    PB7: 30
+  PORTF:
+    PF0-OSC_IN: 2
+    PF1-OSC_OUT: 3
+  CTRL:
+    NRST: 4
+    BOOT0: 31
+  GROUND:
+    VSS: 16, 32
+  POWER:
+    VDD: 17, 1
+    VDDA: 5
+
+pinout@TSSOP20:
+  PORTA:
+    PA0: 6
+    PA1: 7
+    PA2: 8
+    PA3: 9
+    PA4: 10
+    PA5: 11
+    PA6: 12
+    PA7: 13
+    PA9: 17
+    PA10: 18
+    PA13-SWDIO: 19
+    PA14-SWCLK: 20
+  PORTB:
+    PB1: 14
+  PORTF:
+    PF0-OSC_IN: 2
+    PF1-OSC_OUT: 3
+  CTRL:
+    NRST: 4
+    BOOT0: 1
+  GROUND:
+    VSS: 15
+  POWER:
+    VDD: 16
+    VDDA: 5
+
+properties:
+  in: NRST, BOOT0
+  bidir: PORTA, PORTB, PORTC, PORTD, PORTF
+  power: VDD, VDDA
+  nc: NC
+  ground: VSS, VSSA
+  inverted: NRST
+
+schematic:
+  symbol: IC
+  left: CTRL, PORTA, PORTC, PORTF
+  right: PORTB, PORTD, PORTE
+  top: POWER
+  bottom: GROUND
+
+housing@LQFP64:
+  suffix: R
+  pattern: QFP
+  bodyWidth: 10.0 # D1
+  bodyLength: 10.0 # E1
+  height: 1.6 # A
+  leadWidth: 0.17-0.27 # b
+  leadLength: 0.45-0.75 # L
+  leadSpan: 12.0 # D
+  pitch: 0.5 # e
+  leadCount: 64
+  rowCount: 16
+  columnCount: 16
+
+housing@LQFP48:
+  suffix: C
+  pattern: QFP
+  bodyWidth: 6.8-7.2 # D1
+  bodyLength: 6.8-7.2 # E1
+  height: 1.6 # A
+  leadWidth: 0.17-0.27 # b
+  leadLength: 0.45-0.75 # L
+  leadSpan: 8.8-9.2 # D
+  pitch: 0.5 # e
+  leadCount: 48
+  rowCount: 12
+  columnCount: 12
+
+housing@LQFP32:
+  suffix: K
+  pattern: QFP
+  bodyWidth: 6.8-7.2 # D1
+  bodyLength: 6.8-7.2 # E1
+  height: 1.6 # A
+  leadWidth: 0.30-0.45 # b
+  leadLength: 0.45-0.75 # L
+  leadSpan: 8.8-9.2 # D
+  pitch: 0.8 # e
+  leadCount: 32
+  rowCount: 8
+  columnCount: 8
+
+housing@TSSOP20:
+  suffix: F
+  pattern: SOP
+  bodyWidth: 4.30-4.50 # E1
+  bodyLength: 6.40-6.60 # D
+  height: 1.2 # A
+  leadWidth: 0.19-0.30 # b
+  leadLength: 0.45-0.75 # L
+  leadSpan: 6.20-6.60 # E
+  pitch: 0.65 # e
+  leadCount: 20