Empfaenger : Karlheinz Kalb @ 2:244/1117 Absender : Thomas Gohel @ 2:2410/308.12 (Minonet, Berlin) Betreff : Mixerchip 1345/1745 Datum : So 11.12.94, 21:25 ************************************************************************** * Sound Blaster 16 Mixer * * ************************************************************************** # = nicht benutzte BIT's bei 32 Stufen wird BIT 3 bis 7 verwendet / =5 BIT's ----------------------------------------------------------------------------- **************************************************************** * Register Tabelle fr den Mixer Chip 1745 * **************************************************************** HEX- BIT BIT INDEX | D7 | D6 | D5 | D4 | D3 | D2 | D1 | D0 | ---------------------------------------------------------------- 00 | Rest Mixer | ---------------------------------------------------------------- 04 | Voice Left Vol. | Voice Right Vol. | 16 Stufen ---------------------------------------------------------------- 0A | ################################ | Mic. Volume | ---------------------------------------------------------------- 22 | Master Left Vol. | Master Right Vol. | 16 Stufen ---------------------------------------------------------------- 26 | Midi Left Vol. | Midi Right Vol. | 16 Stufen ---------------------------------------------------------------- 28 | CD Left Vol. | CD Right Vol. | 16 Stufen ---------------------------------------------------------------- 2E | Line Left Vol. | Line Right Vol. | 16 Stufen ================================================================ 30 | Master Vol. Left | ###################| 32 Stufen ---------------------------------------------------------------- 31 | Master Vol. Right | ###################| 32 Stufen ---------------------------------------------------------------- 32 | Voice Vol. Left | ###################| 32 Stufen ---------------------------------------------------------------- 33 | Voice Vol. Right | ###################| 32 Stufen ---------------------------------------------------------------- 34 | Midi Vol. Left | ###################| 32 Stufen ---------------------------------------------------------------- 35 | Midi Vol. Right | ###################| 32 Stufen ---------------------------------------------------------------- 36 | CD Vol. Left | ###################| 32 Stufen ---------------------------------------------------------------- 37 | CD Vol. Right | ###################| 32 Stufen ---------------------------------------------------------------- 38 | Line Vol. Left | ###################| 32 Stufen ---------------------------------------------------------------- 39 | Line Vol. Right | ###################| 32 Stufen ---------------------------------------------------------------- 3A | MIC. Volume | ###################| 32 Stufen ---------------------------------------------------------------- 3B | PC Speaker Volume | ###################| 32 Stufen ---------------------------------------------------------------- 3C | Output Mixer Switches | |####################|Line.L|Line.R| CD.L | CD.R | MIC. | ---------------------------------------------------------------- 3D | Input Mixer Left Switches | |######|MID.L|MID.R |LINE.L|LINE.R|CD.L |CD.R | MIC. | ---------------------------------------------------------------- 3E | Input Mixer Right Switches | |######|MID.L|MID.R |LINE.L|LINE.R|CD.L |CD.R | MIC. | ---------------------------------------------------------------- 3F | Inp Gain L |#########################################| ---------------------------------------------------------------- 40 | Inp Gain R |#########################################| ---------------------------------------------------------------- 41 | Out Gain L |#########################################| ---------------------------------------------------------------- 42 | Out Gain L |#########################################| ---------------------------------------------------------------- 43 |################################################| AGC | ---------------------------------------------------------------- 44 | Treble Left |###########################| ---------------------------------------------------------------- 45 | Treble Right |###########################| ---------------------------------------------------------------- 46 | Bass Left |###########################| ---------------------------------------------------------------- 47 | Bass Right |###########################| ---------------------------------------------------------------- EOF Tab **************************************************************** Register Infos : ---------------------------------------------------------------- Register 0x00 Mixer Reset Register 0x04 , 0x0A , 0x22 , 0x26 , 0x28 , 0x2E kompatibel mit Chip CT1345 Register 0x04 , 0x22 , 0x26 4 bit's per Channel 16 Level 0 - 15 -60 dB to 0 dB in 4dB Steps Default 12 = -12 dB Register 0x28 , 0x2E 4 bit's per Channel 16 Level 0 - 15 -60 dB to 0 dB in 4dB Steps Default 0 = -60dB Register 0x0A 3 bit's 8 Level 0 - 7 -48dB to 0 dB in 6dB Steps Default 0 = -48dB Register 0x30/0x31 , 0x32/0x33 , 0x34/0x35 , 0x36/0x37 , 0x38/0x39 , 0x3A 5 bit's per Channel 32 Level 0 - 31 -62 dB to 0 dB in 2dB Steps Default 24 = -14dB Register 0x3B (PC Speaker) 2 bit's 4 Level 0 - 3 -18 dB to 0 dB in 6dB Steps Default 0 = -18dB Register 0x3C (Output Mixer switches) Line.L/Line.R CD.L / CD.R Mic 1 1 1 1 1 Register 0x3D (Input Mixer Left switches) MIDI.L/MIDI.R LINE.L/LINE.R CD.L/CD.R MIC 0 0 1 0 1 0 1 Register 0x3E (Input Mixer Right switches) MIDI.L/MIDI.R LINE.L/LINE.R CD.L/CD.R MIC 0 0 0 1 0 1 1 Register 0x3F , 0x40 , 0x41 , 0x42 2 bit's per Channel 4 Level 0 - 3 0dB to 18dB in 6dB Steps Default 0 = 0dB Register 0x43 (AGC) 0 = AGC ON (default) AutoGainControl 1 = Fixed Gain 20dB Register 0x44/0x45 , 0x46/0x47 4 bit's per Channel 16 Level 0 - 7 -14dB to 0dB in 2dB Steps 8 - 15 0dB to +14dB in 2dB Steps Default 8 = 0 dB