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AN4128 Datasheet(PDF) 6 Page - STMicroelectronics |
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AN4128 Datasheet(HTML) 6 Page - STMicroelectronics |
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6 / 28 page ![]() I/O connections AN4128 6/28 Doc ID 023306 Rev 1 Table 2. Pad connections Description PAD 1 GPIO05 - general purpose I/O (1) 1. Default configuration - a different configuration may be chosen (see the SPBT2632C1A.AT2 datasheet). 2 GPIO04 - general purpose I/O (1) (LED2 is connected to GPIO4) 3 GPIO06 - general purpose I/O (1) 4 GPIO15 - general purpose I/O (1) 5 GPIO02 - general purpose I/O (1) 6 +3.3 V (module) (LED1 is connected to module power) 7 GPIO03 - general purpose I/O (1) 8 GPIO01 - general purpose I/O (1) (LED3 is connected to GPIO1) 9 GPIO00 - general purpose I/O (1) 10 GPIO13 - general purpose I/O 11 GPIO14 - general purpose I/O 12 GPIO07 - general purpose I/O (1) 13 GND 14 +5 V (USB) 15 BOOT0 (Boot pin used for firmware downloading - used for testing purposes) 16 RESET - connected in parallel to onboard reset switch 17 GPIO08 - general purpose I/O (1) 18 GPIO10 - general purpose I/O 19 GPIO09 - general purpose I/O (1) 20 GPIO11 - general purpose I/O (1) 21 GPIO12 - general purpose I/O (1) JTAG 1JTRST 2JTDO 3JTCK 4JTMS 5JTDI 6 nreset (max. voltage 2.5 V) 7+ 3.3 V 8GND |
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