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ST25DV64K 数据表(PDF) 51 Page - STMicroelectronics |
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ST25DV64K 数据表(HTML) 51 Page - STMicroelectronics |
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51 / 200 page ![]() Table 52. I2CSS Bit Name Function Factory Value b1-b0 RW_PROTECTION_A1 00: Area 1 I2C access: Read always allowed, Write always allowed 01: Area 1 I2C access: Read always allowed, Write allowed if I2C user security session is open 10: Area 1 I2C access: Read always allowed, Write always allowed 11: Area 1 I2C access: Read always allowed, Write allowed if I2C user security session is open 00b b3-b2 RW_PROTECTION_A2 00: Area 2 I2C access: Read always allowed, Write always allowed 01: Area 2 I2C access: Read always allowed, Write allowed if I2C user security session is open 10: Area 2 I2C access: Read allowed if I2C user security session is open, Write always allowed 11: Area 2 I2C access: Read allowed if I2C security session is open, Write allowed if I2C security session is open 00b b5-b4 RW_PROTECTION_A3 00: Area 3 I2C access: Read always allowed, Write always allowed 01: Area 3 I2C access: Read always allowed, Write allowed if I2C user security session is open 10: Area 3 I2C access: Read allowed if I2C user security session is open, Write always allowed 11: Area 3 I2C access: Read allowed if I2C security session is open, Write allowed if I2C security session is open 00b b7-b6 RW_PROTECTION_A4 00: Area 4 I2C access: Read always allowed, Write always allowed 01: Area 4 I2C access: Read always allowed, Write allowed if I2C user security session is open 10: Area 4 I2C access: Read allowed if I2C user security session is open, Write always allowed 11: Area 4 I2C access: Read allowed if I2C security session is open, Write allowed if I2C security session is open 00b Note: Refer to Table 11. System configuration memory map for the I2CSS register. ST25DV04K ST25DV16K ST25DV64K Data Protection DS10925 - Rev 9 page 51/200 |
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