Address offset: 0x028
Setting of pins dedicated to NFC functionality: NFC antenna or GPIO
Note: When used as NFC antenna pin, the corresponding pin must be controlled by
the application core, and the GPIO PIN_CNF register initialized to its reset value.
| Bit number | 31 | 30 | 29 | 28 | 27 | 26 | 25 | 24 | 23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 | 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID | A | ||||||||||||||||||||||||||||||||||
| Reset 0xFFFFFFFF | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | |||
| ID | R/W | Field | Value ID | Value | Description | ||||||||||||||||||||||||||||||
| A |
RW |
PROTECT |
Setting of pins dedicated to NFC functionality |
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|
Disabled |
0 |
Operation as GPIO pins. Same protection as normal GPIO pins |
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|
NFC |
1 |
Operation as NFC antenna pins. Configures the protection for NFC operation |
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