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FDA803U-KBX 数据表(PDF) 66 Page - STMicroelectronics |
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FDA803U-KBX 数据表(HTML) 66 Page - STMicroelectronics |
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66 / 76 page ![]() I2C register FDA803U 66/76 DS12497 Rev 2 Table 21. IB8-ADDR: “I0001000” - CHANNEL CONTROLS Data bit Default value Definition D7-D6 11 Reserved D5 0 0 - Channel in TRISTATE (PWM OFF) 1 - Channel with PWM ON D4 0 0 - Channel DC Diag disable 1 - Channel DC Diag start D3-D1 000 I2Stest pin configuration: D3-D1 Function 000 High impedance configuration 001 Reserved 010 Reserved 011 Reserved 100 Reserved 101 Output: PWM synchronization signal 110 Reserved 111 Reserved D0 0 0 - Channel in MUTE 1 - Channel in PLAY Table 22. IB9-ADDR: “I0001001” Data bit Default value Definition D7-D5 000 Reserved D4 0 0 - watch-dog for word select managing 1 - no watch-dog for word select managing D3-D0 1000 Reserved(1) 1. In case this register is written, [D3] must be set to 1 to preserve its default value. Table 23. IB10-ADDR: “I0001010” Data bit Default value Definition D7 0 Short load impedance threshold (DC Diagnostic): 0 - 0.75 Ω 1 - 0.5 Ω D6 0 Open load impedance threshold (DC Diagnostic & Open load in play detector): 0 - 25 Ω 1 - 15 Ω D5 0 Reserved |
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