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ATXP032 датащи(PDF) 8 Page - Dialog Semiconductor |
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ATXP032 датащи(HTML) 8 Page - Dialog Semiconductor |
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8 / 113 page ![]() 6 ATXP032 DS-ATXP032–114I–4-2020 3. Block Diagram Figure 3-1. Block Diagram 4. Pin Descriptions All I/O pins and Data Strobe (DS) are in the tri-state mode when not actively driven. To reduce power consumption, it is recommended to not leave pins floating to ensure that all pins have a valid logic level at all times. FLASH MEMORY ARRAY Y- GATING CS SCK SO (I/O1) SI (I/O0) Y-DECODER X-DECODER I/O BUFFERS AND LATCHES CONTROL AND PROTECTION LOGIC SRAM DATA BUFFER WP(I/O2) INTERFACE CONTROL AND LOGIC I/O3 DS I/O4 I/O5 I/O6 I/O7 RESET Table 4-1. Pin Descriptions Symbol Description Asserted State Type CS CHIP SELECT: Asserting the CS pin selects the device. When the CS pin is deasserted, the device is deselected and normally placed in standby mode (not deep power-down mode), and the output pins are placed in a high-impedance state. When the device is deselected, data is not accepted on the SI pin. A high-to-low transition on the CS pin is required to start an operation, and a low-to-high transition is required to end an operation. When ending an internally self-timed operation such as a program or erase cycle, the device does not enter the standby mode until the completion of the operation. Low Input |
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