ES1688 AudioDrive mixed-signal single-chip solution that adds 16-bit s

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ES1688 AudioDrive mixed-signal single-chip solution that adds 16-bit s

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ES1688 AudioDrive® Product Brief
ES1688 AudioDrive mixed-signal single-chip solution that adds 16-bit stereo sound music synthesis personal computers. includes embedded microprocessor, 20-voice ESFMmusic synthesizer, 16-bit stereo wave DAC, 16bit stereo music DAC, MPU-401 UART mode serial port, serial port interfaces external external wavetable music synthesizer, control logic with FIFO, inferface logic. There three stereo inputs (typically line, Audio, auxiliary line) mono microphone input internal preamp. this single chip that designed into motherboard, add-on card, integrated into other peripheral cards such Fax/Modem, VGA, LAN, I/O, etc. ES1688 AudioDrive® record, compress, play back voice, sound, music with built-in 6-channel mixer controls. Using high-performance channels, ES1688 supports full-duplex analog operation simultaneous record playback. ESFMsynthesizer extended capabilities within native mode operation providing superior sound power-down capabilities. ES1688 register compatible OPL3TM. MPU-401 serial port interfacing with external MIDI device. speaker volume modified software. software address selection modes allow motherboard Plug Play configuration. serial interface allows external take over resources. wavetable serial port allows ES1688 interface with either ES689 ES690 wavetables. address, DMA, interrupt selection controlled through system software jumper. Advanced power management features include suspend/resume from disk host-independent self-timed power-down automatic wake-up. ES1688 AudioDrive available industry-standard 100pin Plastic Quad Flat Pack (PQFP) package.
FEATURE HIGHLIGHTS
Single, high-performance, mixed-signal, 16-bit stereo VLSI chip digital audio High-quality, 20-voice ESFMmusic synthesizer; patents pending Patented ESPCM® compression
Record Playback Features
Record, compress, play back voice, sound, music Programmable sample rate from 44.1 record playback Mixer controlled record playback with programmable logarithmic volume controls
Inputs Outputs
MIDI serial port compatible with MPU-401 UART mode Address decode joystick Programmed demand transfer Software address mapping, selections motherboard Plug Play Wavetable serial port interface ES689/ES690 direct access music speaker input/output with volume control Serial port interface external optionally controls fullduplex analog operation
Mixer Features
6-channel stereo mixer inputs line, auxiliary audio), auxiliary digital audio (wave files), music synthesizer, plus mono channel mixer input microphone 4-channel record mixer with stereo inputs line, auxiliary audio), auxiliary plus mono input microphone
Power
APPLICATIONS
Audio Games Business Audio Multimedia Music Synthesis
Advanced power management with self-timed power-down, automatic wake-up, suspend/resume from disk Supports operation
Compatibility
Supports games Sound Blasterand Sound BlasterPro modes Supports music synthesis OPL3 mode Supports Microsoft® WindowsTM, Windows NTTM, Windows WorkgroupsTM, Windows®95 Windows Sound System® Supports IBM® OS/2®
SERVICE SUPPORT
Evaluation Manufacturing Reference Design
BLOCK DIAGRAM
ANALOG
LINE_L LINE_R AUXA_L AUXA_R AUXB_L AUXB_R PCSPKI PCSPKO CMR,VREF AOUT_L AOUT_R FDXI FDXO
TYPICAL APPLICATION
SWITCHED CAPACITOR LOW-PASS FILTER OUTPUT VOLUME MUTE CONTROL, RECORD MONITOR
+12v GNDD VDDD VDDA GNDA AUXA_L AUXA_R LINE_L SCLK LINE_R VREF REFSEL IRQ(A-E) DRQ(A-C) DACKB(A-C) A[11:0] D[7:0] RESET IORB IOWB FOUT_L CIN_L FOUT_R CIN_R AOUT_L AOUT_R PCSPKO JOYRDB JOYWRB .001 .001 Left Right Line Left Line Right
Volt Regulator
RECORDING SOURCE INPUT VOLUME CONTROL
7.5K
7.5K 10µF
SPEAKER CNTRL
16-BIT STEREO GAME DAC/ADC STEREO PROGRAM MABLE MIXER
VDDA GNDA FOUT_L FOUT_R CIN_L CIN_R SE,DCLK DX,DR FSX,FSR MCLK
16-BIT STEREO MUSIC
ESFMFM MUSIC SYNTHESIZER
IORB IOWB RESET RSTB A[11:0] IRQ(A-E) DRQ(A-C) DACK(A-C) AS[1:0] DS[1:0] IS[1:0] AMODE ENB245 JOYRDB JOYWRB GPI,GPO[1:0]
SERIAL PORT WAVETABLE SERIAL PORT
14.31818
PROGRAMMABLE CONTROLLER
MPU-401 SERIAL PORT FIFOs DATA BUFFER WITH BYTE FIFO
Stereo Power Game Port MIDI/ MPU-401
D[7:0]
PCSPKI
MICROPROCESSOR PROGRAMMABLE CONTROLLER
ES1688
SCLK EXTCLK
CLOCK GENERATOR TIMER
PINOUT
VDDD GNDD GNDD VDDD IOWB IORB PCSPKI IRQE IRQA IRQB IRQC IRQD DACKBA DRQA DACKBB DRQB DACKBC GNDD VDDD DRQC GPO0 JOYWRB JOYRDB GNDD VDDD EXTCLK SCLK RESET RSTB GPO1 DCLK MCLK
ES1688 AudioDrive®
PCSPKO FDXO FDXI AOUT_R AOUT_L LINE_R LINE_L VREF CIN_R CIN_L VDDA REFSEL GNDA AUXA_R AUXA_L AUXB_R AUXB_L FOUT_R
VDDD GNDD ENB245 GNDD VDDD AMODE VDDD GNDD FOUT_L
ES1688
DIGITAL DESCRIPTIONS
Name
VDDD GNDD JOYRDB JOYWRB GPO0
Description
Digital supply voltage (3.0V 5.5V). Digital ground. Active-low decode joystick, read from port 201h. Active-low decode joystick, write port 201h. Output that external reset thereafter controlled port 2x7h. Available system software power management other applications. Output that high external reset thereafter controlled port 2x7h. Available system software power management other applications. MIDI serial input. Either MPU-401 SoundBlaster formats. Schmitt trigger input with internal pull-up resistor. MIDI serial data output. Reserved general-purpose input with internal pulldown. Currently function assigned this connection acceptable. Active-high reset from bus. Inverted RESET output. Clock selection output: Clock from EXTCLK input Clock from crystal connection pins 14.32 clock input from bus. Duty cycle must 40%-60%. connection SCLK=1. Crystal oscillator output. Crystal oscillator input. Input with internal pull-up. Active-high chip enable. When low, outputs become high impedance, forced high internally, thereby disabling activity to/from ES1688. Outputs JOYRDB JOYWRB become inactive high. Leave unconnected connect normal operation. Active-low read strobe from bus. Active-low write strobe from bus. Address inputs from bus. Address inputs from bus. ES1688 requires these pins address decodes. These pins have internal pull-down device enabled when input signal AMODE=0. this case they float (ES688 compatible designs). Active-low address enable from bus. Bidirectional data bus. These pins have weak pull-up devices prevent these inputs from floating when driven. Active-low output when ES1688 being read written Intended connected enable control external 74LS245. Four (A,B,C,D) active-high interrupt requests bus. Unselected outputs high impedance. IRQs software configurable. Active-high interrupt request bus. Reserved MPU-401 hardware volume control. Three (A,B,C) active-high requests bus. Unselected outputs high impedance. When active, selected output pull-down device that holds line inactive unless another device that shares same line source enough current make line active. DRQs software configurable. Three (A,B,C) active-low acknowledge inputs from bus. Normally digital speaker signal input. This signal converted analog signal with volume control appears analog output PCSPKO.
Name
DS0,
Description
Inputs with internal pull-down devices. These inputs select channel selected after external reset:
DRQx/DACKBx DACK DRQA, DACKBA DRQB, DACKBB DRQC, DACKBC Recommended DRQ/DACK -DRQ0/-DACK0 DRQ1/-DACK1 DRQ3/-DACK3
GPO1
DS1=0 DS0=0 special case: request interrupt request selected after external reset. Software configuration interrupt channels required. IS0, Inputs with internal pull-down devices. These inputs select default interrupt request after external reset (unless DS1=0 DS0=0):
IRQx IRQA IRQB IRQC IRQD Recommended IRQ9 IRQ5 IRQ7 IRQ10
RESET RSTB SCLK
AMODE
EXTCLK
Input with pull-down device. ES1688 disabled following hardware reset must configured methods (optioned AMODE) software address selection: Read-Sequence-Key method System-Control-Register method Inputs with internal pull-down devices. Along with AMODE, these inputs select address bank software address selection technique. They should jumpered VDDD GNDD:
AMODE Function base address base address base address base address base address Read-Sequence-Key address selection base address System-Control-Register address selection
AS0,
IORB IOWB A[9:0] A[11:10]
D[7:0]
DS1=0 DS0=0 special case: request interrupt request selected after external reset. Software configuration interrupt channels required. Input with internal pull-down. Frame sync receive data from external DSP. Programmable active-high active-low. Input with internal pull-down. Frame sync transmit request from external DSP. Programmable activehigh active-low. Input with internal pull-down. Serial data clock from external DSP. Typically 2.048 MHz. Input with internal pull-down. Data receive from external DSP. Tri-state output. Data transmit external DSP. High impedance when transmitting. Input with internal pull-down. Music serial data from external ES689 ES690 Wavetable Music Synthesizer. Input with internal pull-down. Music serial clock from external ES689 ES690 Wavetable Music Synthesizer. Input with internal pull-down. Active-high enable serial mode, i.e., enables external control analog resources ES1688 through serial interface.
ENB245
IRQ(A-D)
DCLK
IRQE DRQ(A-C)
MCLK
DACKB(A-C) PCSPKI
Product Brief
ANALOG DESCRIPTIONS
Name VDDA GNDA LINE_L, LINE_R AUXA_L, AUXA_R Description Analog supply voltage (4.5 Should greater than equal VDDD-0.3 Analog ground. Microphone input. internal pullup resistor CMR. Line inputs left right. LINE_L, LINE_R have internal pullup resistors CMR. Auxiliary inputs left right. AUXA_L, AUXA_R have internal pullup resistors CMR. Normally intended connection internal external CD-ROM analog output. Auxiliary inputs left right. AUXB_L, AUXB_R have internal pullup resistors CMR. Normally intended connection external music synthesizer other line-level music source. Normally connected internal resistor. programmed connect internal FOUT_R during serial mode. Input with internal pullup CMR. Alternate input left channel filter stage serial mode. Filter outputs left right. AC-coupled externally CIN_L, CIN_R remove offsets. These outputs have internal series resistors about ohms. Capacitors analog ground these pins used create low-pass filter pole that removes switching noise introduced switched-capacitor filters. Capacitive coupled inputs left right. These inputs have internal pull-up resistors approximately ohms. Reference generator resistor divider output. Should bypassed analog ground with capacitor. Buffered reference output. Should bypassed analog ground with µFelectrolytic capacitor with capacitor parallel. Line-level stereo outputs, left right. Analog output PCSPKI with volume control. Option input: Analog GND: normal operation Analog VDD: reserved
DIGITAL CHARACTERISTICS
Symbol VIH1 VIH2 VOL1 Parameter Input high voltage: except GPI1 Input high voltage: GPI1 Input voltage Output voltage: except D[7:0], DRQx, IRQx Output high voltage: except D[7:0], DRQx, IRQx Output voltage: D[7:0], DRQx, IRQx Output high voltage: D[7:0], DRQx, IRQx Output voltage: Select DRQx when inactive VDDD active Unit Conditions VDDD=min VDDD=min VDDD=max IOL=4 VDDD=min IOH=-3 VDDD=max IOL=16 VDDD=min IOH=-12 VDDD=max IOL=0.8 VDDD=max osc. rate 14.32 VDDA=max
VOH1
VOL2 VOH2 VOL3 ICC1
AUXB_L, AUXB_R
FDXO
FDXI FOUT_L, FOUT_R
ICC2
VDDA active
ANALOG CHARACTERISTICS
Parameter Reference voltage Input impedance Pins CMR, VREF 2.25 Unit Volts (VDDA =5.0V) 100k Ohms
CIN_L, CIN_R VREF
LINE_L, LINE_R, AUXA_L, AUXA_R, AUXB_L, AUXB_R, CIN_L, CIN_R
3.5k
6.5k
Ohms Ohms Ohms
AOUT_L, AOUT_R PCSPKO REFSEL
Output impedance
FOUT_L, FOUT_R AOUT_L, AOUT_R load full-scale output range LINE_L, LINE_R, AUXA_L, AUXA_R, AUXB_L, AUXB_R AOUT_L, AOUT_R full-scale output range preamp
Input voltage range
VDDA -0.5 VDDA -1.0
mVp-p Volts
MAXIMUM RATINGS
Rating Analog supply voltage Digital supply voltage Input voltage Operating temperature range Storage temperature range Symbol VDDA VDDD TSTG Value -0.3 -0.3 -0.3
Output voltage range Gain
Volts
BUNDLED SOFTWARE DRIVERS
AudioRackBundled Drivers for: Microsoft Windows Microsoft Windows Workgroups Microsoft Windows Microsoft Windows95 OS/2
U.S. Patent 4,214,125 others, other patents pending. specifications subject change without prior notice. ESPCM® AudioDrive® registered trademarks Technology, Inc. AudioRackis trademark Technology, Inc. other trademarks owned their respective holders. Document Number: SAM0066 REV:

ES1688 AudioDrive mixed-signal single-chip solution that adds 16-bit s

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