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ST25DV16KC-JF8D3 Scheda tecnica(PDF) 43 Page - STMicroelectronics |
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ST25DV16KC-JF8D3 Scheda tecnica(HTML) 43 Page - STMicroelectronics |
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43 / 203 page ![]() Table 29. GPO interrupt capabilities in function of RF field and VCC RF field VCC LPD GPIO pin OFF OFF Don't care Remains High-Z (open drain version) or is tied to ground (CMOS version) ON OFF Don't care State is function of RF events(1)(2) OFF ON High Remains High-Z (open drain version) or is tied to ground (CMOS version) ON ON High State is function of RF events(1)(2) OFF ON Low/unconnected State function of I2C events ON ON Low/unconnected State is function of both RF and I2C event(1) 1. If pull-up resistor is powered (open drain) or VDCG is powered (CMOS) 2. Except FIELD_CHANGE in case of RF field falling 5.4.4 GPO registers Four registers are dedicated to this feature: • Two static registers in system configuration • Two dynamic registers Table 30. GPO1 access RF I2C Command Type Address Type Read Configuration (cmd code A0h) @00h Write Configuration (cmd code A1h) @00h R always, W if RF configuration security session is open and configuration not locked E2=1, E1=1, 0000h R always, W if I 2C security session is open ST25DV04KC ST25DV16KC ST25DV64KC GPO DS13519 - Rev 3 page 43/203 |
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