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数据搜索系统，热门电子元器件搜索 |
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数据搜索系统，热门电子元器件搜索 |
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ST25DV64K 数据表(PDF) 37 Page - STMicroelectronics |
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ST25DV64K 数据表(HTML) 37 Page - STMicroelectronics |
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37 / 200 page  Table 27. IT_TIME access RF I2C Command Type Address Type Read Configuration (cmd code A0h) @01h Write Configuration (cmd code A1h) @01h R always, W if RF configuration security session is open and configuration not locked E2=1, 0001h R always, W if I2C security session is open Table 28. IT_TIME Bit Name Function Factory Value b2-b0 IT_TIME Pulse duration = 301 us - IT_TIME x 37.65 us ± 2 us 011b b7-b3 RFU - 00000b Note: Refer to Table 11. System configuration memory map for the IT_TIME register. • Defines interrupt pulse duration on GPO pin for the flowing events: RF_INTERRUPT, FIELD_CHANGE, RF_PUT_MSG, RF_GET_MSG and RF_WRITE. • See Eq. (1) for interrupt duration calculation. • RF configuration security session (present RF password 0) or I2C security session (present I2C password) must be open in order to write IT_TIME register. Table 29. GPO_CTRL_Dyn access RF I2C Command Type Address Type Read Dynamic Configuration (cmd code ADh) @00h Fast Read Dynamic Configuration (cmd code CDh) @00h RO E2 = 0, 2000h b0-b6: RO b7 : R always, W always ST25DV04K ST25DV16K ST25DV64K GPO DS10925 - Rev 9 page 37/200 |
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