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STA381BWS датащи(PDF) 160 Page - STMicroelectronics |
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STA381BWS датащи(HTML) 160 Page - STMicroelectronics |
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160 / 174 page ![]() Register description: Sound Terminal compatibility STA381BWS 160/174 DocID018937 Rev 7 Table 174. Manual threshold register 0x2E, 0x2F and 0x5E 7.25 Headphone/Line out configuration register (address 0x55) D7 D6 D5 D4 D3 D2 D1 D0 ReservedT Reserved MTH[21:16] 00000000 D7 D6 D5 D4 D3 D2 D1 D0 MTH[15:8] 00000000 D7 D6 D5 D4 D3 D2 D1 D0 MTH[7:0] 00000000 D7 D6 D5 D4 D3 D2 D1 D0 HPLN Reserved MUTE Reserved CPFEN CPOK ABFAULT DCROK 00100 NA NA NA Table 175. Headphone/Line out configuration bits Bit R/W RST Name Description 7 R/W 0 HPLN When F3X is connected to the internal HP/Line driver this bit selects the gain of the F3X->analog out path. 0: HP out. When the MVOL+Channel Vol is 0 dBFs, a 0 dBFs input will generate a 40 mW output on a 32 ohm load (+/- 3.3 V supply). 1:Line out. When the MVOL+Channel Vol is 0 dBFs, a 0 dBFs input will generate a 2 Vrms output (+/- 3.3 V supply) 5 R/W 1 MUTE 1: HP/Line out muted 0: HP/Line out playing 3 R/W 0 CPFEN 0: Charge pump auto enable when unmute 1: Charge pump is always enabled 2 R NA CPOK 0: Charge pump is not working 1: Charge pump is working and it is OK 1 R NA ABFAULT 0: No fault on class-AB 1: Overcurrent fault detected on class-AB 0 R NA DCROK 1: core supply OK Obsolete Product(s) - Obsolete Product(s) |
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