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CFA631 датащи(PDF) 54 Page - Crystalfontz America, Inc. |
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CFA631 датащи(HTML) 54 Page - Crystalfontz America, Inc. |
54 / 81 page Crystalfontz Data Sheet Release 2014-11-17 www.crystalfontz.com CFA631 Intelligent Display Modules Page 54 28 (0x1C): Set ATX Power Switch Functionality For ATX, WR-PWR-Y25, WR-PWR-Y38 ATX power cable or the optional SCAB+WR-PWR-Y14 ATX power cable is required. The combination of the CFA631 with ATX can be used to replace the function of the power and reset switches in a standard ATX-compatible system. The ATX power switch functionality is one of the items stored by the command 4 (0x04): Store Current State As Boot State (Pg. 39) See How to Set ATX Functionality Using cfTest (Pg. 33) for detailed steps. Note The GPIO pins used for ATX control must not be configured as user GPIO. The pins must be configured to their default drive mode in order for the ATX functions to work correctly. These settings are factory default but may be changed by the user. Please see command 34 (0x22): GPIO Settings (SCAB Required) (Pg. 58). These settings must be saved as the boot state. To ensure that GPIO[1] will operate correctly as ATX SENSE, user GPIO[1] must be configured as: DDD = "011: 1=Resistive Pull Up, 0=Fast, Strong Drive Down". F = "0: Port unused for user GPIO." This configuration can be assured by sending the following command: command = 34 length = 3 data[0] = 1 data[1] = 0 data[2] = 3 To ensure that GPIO[2] will operate correctly as ATX POWER, user GPIO[2] must be configured as: DDD = "010: Hi-Z, use for input". F = "0: Port unused for user GPIO." This configuration can be assured by sending the following command: command = 34 length = 3 data[0] = 2 data[1] = 0 data[2] = 2 To ensure that GPIO[3] will operate correctly as ATX RESET, user GPIO[3] must be configured as: DDD = "010: Hi-Z, use for input". F = "0: Port unused for user GPIO." This configuration can be assured by sending the following command: command = 34 length = 3 data[0] = 3 data[1] = 0 data[2] = 2 These settings must be saved as the boot state. |
Аналогичный номер детали - CFA631 |
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Аналогичное описание - CFA631 |
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