ES1888 AudioDrive mixed-signal single-chip solution that adds 16-bit s
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ES1888 AudioDrive® Product Brief
ES1888 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, dual game ports, hardware master volume control, 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. ES1888 AudioDrive record, compress, play back voice, sound, music with built-in 7-channel mixer controls. Using high-performance channels, ES1888 supports full-duplex operation simultaneous record playback. ESFMsynthesizer extended capabilities within native mode operation providing superior sound power-down capabilities. ES1888 register compatible OPL3TM. MPU-401 serial port interfacing with external MIDI device. dual game port supports joysticks both having resistor value settings pushbutton switches. speaker volume modified software. software address selection modes allow motherboard Plug Play configuration. serial interface allows external take over resources. wavetable serial port allows ES1888 interface with either ES689 ES690 wavetables. address, DMA, interrupt selection controlled through system software. Advanced power management features include suspend/resume from disk host-independent self-timed power-down automatic wake-up. ES1888 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, compress, play back voice, sound, music 16-bit stereo ADC/DAC digital audio Programmable sample rate from 44.1 record playback 3-button hardware volume control down, mute Full-duplex operation simultaneous record playback using channels MIDI serial port compatible with MPU-401 UART mode high-performance integrated dual game port Single Demand transfer Software address mapping, selections motherboard Plug Play Wavetable serial port interface ES689/ES690 direct access music speaker input/output with volume control stereo DACs with independent sample rate filter control simultaneous game, music, system playback digital data streams Serial port interface external optionally controls fullduplex operation 7-channel stereo mixer inputs line, auxiliary audio), auxiliary digital audio voice files, 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 Programmable 6-bit step) logarithmic master volume control Advanced power management with self-timed power-down, automatic wake-up, suspend/resume from disk Supports operation Supports games Sound Blasterand Sound BlasterPro OPL3 synthesizers Supports Microsoft® WindowsTM, Windows NTTM, Windows WorkgroupsTM, Windows®95 Windows Sound System® Supports IBM® OS/2®
Record Playback Features
Inputs Outputs
Mixer Features
APPLICATIONS
Power
Audio Games Business Audio Multimedia Music Synthesis
Compatibility
BLOCK DIAGRAM
ANALOG
LINE_L LINE_R AUXA_L AUXA_R AUXB_L AUXB_R PCSPKI PCSPKO CMR, VREF
TYPICAL APPLICATION
RECORDING SOURCE INPUT VOLUME CONTROL
SWITCHED CAPACITOR LOW-PASS FILTER STEREO RECORD MIXER STEREO PLAYBACK MIXER
OUTPUT VOLUME MUTE CONTROL RECORD MONITOR 16-BIT STEREO GAME DAC/ADC 16-BIT STEREO MUSIC 16-BIT STEREO SYSTEM
AOUT_L AOUT_R FDXI FDXO
IRQ9 IRQ5 IRQ7 IRQ10
IRQ11,IRQ12,OR IRQ15(IRQ15 recommended)
ES1888
VDDD GNDD RESET IRQA IRQB IRQC IRQD IRQE VDDA GNDA AUXA_L AUXA_R AUXB_L AUXB_R LINE_L LINE_R
78L05 Regulator
7.5K 10µF Left Right
7.5K 10µF
VDDA GNDA
SPEAKER CNTRL ESFMFM MUSIC SYNTHESIZER
FOUT_L FOUT_R CIN_L CIN_R
SERIAL PORT WAVETABLE SERIAL PORT MPU-401 SERIAL PORT FIFOs DATA BUFFER WITH BYTE FIFO
DCLK FSX, MCLK
DRQA DRQB DRQC DACKBA DACKBB DACKBC DRQ0(8-BIT),DRQ5,OR DRQ6(16-BIT) DRQD -DACK0, -DACK5, -DACK6 DACKBD A[11:0] D[15:0] IORB IOWB VOLUP VOLDN MUTE PCSPKI
DRQ0 DRQ1 DRQ3 -DACK0 -DACK1 -DACK3
AuxB Left AuxB Right Line Left Line Right
VREF FOUT_L CIN_L FOUT_R CIN_R AOUT_L AOUT_R PCSPKO
.001 .001
VOLUP,VOLDN MUTE SW(A-D) T(A-D)
HARDWARE VOLUME CONTROL DUAL GAME PORT TIMERS
A[11:0] IRQ(A-E) DRQ(A-D) DACKB(A-D) IOWB,IORB RESET,AEN AMODE ENB245 GPO[1:0]
Hardware Volume Front Panel Controls From Timer Chip
DOWN MUTE
Stereo Amplifier 2.2K 2.2K 2.2K
DB15S
PROGRAMMABLE CONTROLLER
D[7:0]
14.31818 **NOTE
2.2K 2.2K 2.2K 2.2K 2.2M
DATA BUFFER WITH WORD FIFO
D[15:8]
**NOTE **NOTE MCLK
MICROPROCESSOR
CLOCK GENERATOR TIMER
**NOTE
AMODE
**NOTE crystal ES1888 accuracy signal sufficient. driven external clock clock CMOS logic levels. **NOTE designs where interface used, recommended low. **NOTE designs where ES689/ES690 serial interface used, recommended MCLK low. **NOTE AMODE selects software address configuration methods. this example, Read-Sequence-Key method selected.
PINOUT
RESET VDDD GNDD IOWB IORB IRQA IRQB IRQC IRQD IRQE DACKBA DRQA DACKBB DRQB DACKBC DRQC DACKBD DRQD GNDD VDDD GPO0 GPO1 PCSPKI GNDD DCLK MCLK
ES1888 AudioDrive®
PCSPKO AOUT_R AOUT_L LINE_R LINE_L VREF CIN_R CIN_L VDDA GNDA AUXA_R AUXA_L AUXB_R/FDXO AUXB_L/FDXI FOUT_R FOUT_L
VDDD GNDD ENB245 VOLDN VOLUP MUTE AMODE GNDD VDDD
ES1888
DIGITAL DESCRIPTIONS
Name VDDD GNDD VOLDN VOLUP MUTE GPO0 Description Digital supply voltage (3.0V 5.5V). Digital ground. Active-low volume decrease button input. Active-low volume increase button input. Active-low mute toggle button input. 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. Active-high reset from bus. Crystal oscillator output. Crystal oscillator input. Active-low read strobe from bus. Active-low write strobe from bus. Address inputs from bus. Address inputs from bus. ES1888 requires these pins address decodes. Active-low address enable from bus. Bidirectional data bus. These pins have weak pullup devices prevent these inputs from floating when driven. High byte input data bus. This used system when 16-bit transfer mode selected. Active-low output when ES1888 being read written Intended connected enable control external 74LS245. Four (A,B,C,D) active-low joystick switch setting inputs. These pins have internal pullup resistor. joystick port typically address 201. Four (A,B,C,D) joystick timer pins. These pins connect positioning variable resistors joysticks. Input with pull-down device. ES1888 disabled following hardware reset must configured methods (optioned AMODE) software address selection: Read-Sequence-Key method System-Control-Register method 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. ICC1 MCLK DRQD DACKBD PCSPKI Name DACKB(A-C) Description Three (A,B,C) active-low acknowledge inputs from bus. request system DAC. This selected either 8-bit 16-bit transfers. Active-low acknowledge system DAC. Normally digital speaker signal input. This signal converted analog signal with volume control appears analog output PCSPKO. Input with internal pull-down. Frame sync receive data from external DSP. Programmable activehigh active-low. Input with internal pull-down. Frame sync transmit request from external DSP. Programmable active-high 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 ES1888 through serial interface.
GPO1
DCLK
RESET IORB IOWB A[9:0] A[11:10] D[7:0]
D[15:8]
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
ENB245
SW(A-D)
T(A-D)
AMODE
VOH1
VOL2 VOH2 VOL3
IRQ(A-D)
IRQE DRQ(A-C)
VDDD=max osc. rate 14.32 VDDA=max
ICC2
VDDA active
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. These pins selectable with FDXI, FDXO functions (See below). Normally connected internal resistor. programmed connect internal FOUT_R during serial mode. This function shared with AUXB_R input pin. Input with internal pullup CMR. Alternate input left channel filter stage serial mode. This function shared with AUXB_L input pin. 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.
ANALOG CHARACTERISTICS
Parameter Reference voltage Input impedance Pins CMR, VREF 2.25 Unit Volts (VDDA =5.0V) 100k Ohms
LINE_L, LINE_R, AUXA_L, AUXA_R, AUXB_L, AUXB_R, CIN_L, CIN_R
3.5k
6.5k
Ohms Ohms Ohms
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
AUXB_L, AUXB_R
Input voltage range
VDDA -0.5 VDDA -1.0
mVp-p Volts
FDXO
Output voltage range Gain
Volts
FDXI
FOUT_L, FOUT_R
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
CIN_L, CIN_R VREF
AOUT_L, AOUT_R PCSPKO
BUNDLED SOFTWARE DRIVERS
AudioRackBundled Drivers for: Microsoft Windows Microsoft Windows Workgroups Microsoft Windows Microsoft Windows95 OS/2
SERVICE SUPPORT
Evaluation Manufacturing Reference Design
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: SAM0068 REV:
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