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STM32H503KBUx
STMicroelectronics Arm Cortex-M33 MCU, 128KB flash, 32KB RAM, 250 MHz, 26 GPIO, UFQFPN32
Schematic Symbol
Pin Configuration (33 pins)
| Pin | Name | Type |
|---|---|---|
| 1 | VDD | power_in |
| 2 | PC14 | bidirectional |
| 3 | PC15 | bidirectional |
| 4 | NRST | input |
| 5 | VDDA | power_in |
| 6 | PA0 | bidirectional |
| 7 | PA1 | bidirectional |
| 8 | PA2 | bidirectional |
| 9 | PA3 | bidirectional |
| 10 | PA4 | bidirectional |
| 11 | PA5 | bidirectional |
| 12 | PA6 | bidirectional |
| 13 | PA7 | bidirectional |
| 14 | PB0 | bidirectional |
| 15 | PB1 | bidirectional |
| 16 | VCAP | power_out |
| 17 | VDD | power_in |
| 18 | PB15 | bidirectional |
| 19 | PA8 | bidirectional |
| 20 | PA9 | bidirectional |
| 21 | PA11 | bidirectional |
| 22 | PA12 | bidirectional |
| 23 | PA13(JTMS | bidirectional |
| 24 | PA14(JTCK | bidirectional |
| 25 | PA15(JTDI) | bidirectional |
| 26 | PB3(JTDO | bidirectional |
| 27 | PB4(NJTRST) | bidirectional |
| 28 | PB5 | bidirectional |
| 29 | PB6 | bidirectional |
| 30 | PB7 | bidirectional |
| 31 | BOOT0 | input |
| 32 | PB8 | bidirectional |
| 33 | VSS | power_in |
Footprint
ConfirmedPackage_DFN_QFN/QFN-32-1EP_5x5mm_P0.5mm_EP3.45x3.45mm
Pad Layout
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1
2
3
4
5
6
7
8
9
10
11
12
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14
15
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17
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23
24
25
26
27
28
29
30
31
32
33
Pads (42)
| Number | Type |
|---|---|
| — | smd |
| — | smd |
| — | smd |
| — | smd |
| — | smd |
| — | smd |
| — | smd |
| — | smd |
| — | smd |
| 1 | smd |
| 2 | smd |
| 3 | smd |
| 4 | smd |
| 5 | smd |
| 6 | smd |
| 7 | smd |
| 8 | smd |
| 9 | smd |
| 10 | smd |
| 11 | smd |
| 12 | smd |
| 13 | smd |
| 14 | smd |
| 15 | smd |
| 16 | smd |
| 17 | smd |
| 18 | smd |
| 19 | smd |
| 20 | smd |
| 21 | smd |
| 22 | smd |
| 23 | smd |
| 24 | smd |
| 25 | smd |
| 26 | smd |
| 27 | smd |
| 28 | smd |
| 29 | smd |
| 30 | smd |
| 31 | smd |
| 32 | smd |
| 33 | smd |