micropython/stmhal/boards/HYDRABUS/pins.csv

1	PC0	PC0
2	PC1	PC1
3	PC2	PC2
4	PC3	PC3
5	PC4	PC4
6	PC5	PC5
7	PC6	PC6
8	PC7	PC7
9	PC8	PC8
10	PC9	PC9
11	PC10	PC10
12	PC11	PC11
13	PC12	PC12
14	PC13	PC13
15	PC14	PC14
16	PC15	PC15
17	PB0	PB0
18	PB1	PB1
19	PB2	PB2
20	PB3	PB3
21	PB4	PB4
22	PB5	PB5
23	PB6	PB6
24	PB7	PB7
25	PB8	PB8
26	PB9	PB9
27	PB10	PB10
28	PB11	PB11
29	PB12	PB12
30	VUSB	PB13
31	USB1D_N	PB14
32	USB1D_P	PB15
33	PA0	PA0
34	PA1	PA1
35	PA2	PA2
36	PA3	PA3
37	PA4	PA4
38	PA5	PA5
39	PA6	PA6
40	PA7	PA7
41	PA8	PA8
42	PA9	PA9
43	PA10	PA10
44	PA11	PA11
45	PA12	PA12
46	PD2	PD2
47	BOOT0	BOOT0
48	PA15	PA15
49	UART3_TX	PD8
50	UART3_RX	PD9
51	UART3_RTS	PD12
52	UART3_CTS	PD11