ES1868 AudioDrive® solution mixed-signal single-chip solution that add
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ES1868 AudioDrive Solution Product Brief
ES1868 AudioDrive® solution mixed-signal single-chip solution that adds 16-bit stereo sound music synthesis personal computers. includes embedded microprocessor, OPL3superset ESFMmusic synthesizer, 16-bit stereo wave CODEC, 16-bit stereo music DAC, hardware master volume control, MPU-401 UART mode serial port, dual game port, full Plug Play support, CD-ROM interface, serial port interfaces external external ES689/ES69x wavetable music synthesizer, control logic with FIFO, interface logic. There three stereo inputs (typically line-in, audio, auxiliary line-in) mono microphone input internal preamp. this embodied single chip that designed into motherboard, add-on card, integrated into other peripheral cards such voice/fax/modem, VGA, LAN, I/O, etc. ES1868 AudioDrive record, compress, play back voice, sound, music with built-in mixer controls. Using high-performance channels, ES1868 supports fullduplex analog operation simultaneous record playback. ESFMsynthesizer extended capabilities within native mode operation providing superior sound power down capabilities. register compatible OPL3.
FEATURES
Single, high-performance, mixed-signal, 16-bit stereo VLSI chip High-quality, OPL3 superset ESFMmusic synthesizer Patented ESPCM® compression CD-ROM interface configurable supports demand transfer F-type Plug Play Features On-chip Plug Play support audio, joystick port,
modem, MPU-401, CD-ROM, additional user-defined device
Software address mapping, selections
motherboard implementation
Internal configuration data audio Plug Play support Read/Write serial interface Plug Play resource
EEPROM
Record Playback Features Record, compress, play back voice, sound, music 16-bit stereo Programmable sample rates from 44.1 record
playback
ES1868 AudioDrive® supports full Plug Play standard. provides Plug Play configuration logical devices: audio, ESFMsynthesizer, game port, MPU-401, CDROM IDE, modem, additional user defined device. MPU-401 hardware interfacing external MIDI serial port. ES1868 music allows external ES689/ES69x wavetable sythesizer through ES1868's third serial port. dual game port supports joysticks both having resistor value settings pushbutton switches. serial interface allows external take over resources. address, DMA, interrupt selection controlled system software. Advanced power management features include suspend/resume from disk host-independent self-timed power-down automatic wake-up. ES1868 AudioDrive solution available industrystandard 100-pin Plastic Quad Flat Pack (PQFP) package.
Full-duplex operation simultaneous record playback 3-button hardware volume control down, mute Inputs Outputs stereo inputs line-in, audio, auxiliary line-in,
mono input microphone
MPU-401 (UART mode) interface wavetable synthesizers
MIDI devices
Integrated dual game port Serial port interface external optionally controls fullduplex operation
Mixer Features 6-channel mixer with stereo line, audio, auxiliary line,
music synthesizer, digital audio (wave files), mono input microphone
APPLICATIONS
Business Audio Multimedia Games Music Synthesis
Programmable 6-bit step) logarithmic master volume control Power Advanced power management with self-timed power-down,
automatic wake-up, suspend/resume from disk
Supports operation Compatibility Supports games applications Sound Blaster
Sound Blaster
Supports Microsoft® WindowsSound System
Technology, Inc.
ES1868 PRODUCT BRIEF
BLOCK DIAGRAM
LINE_L LINE_R AUXA_L AUXA_R AUXB_L AUXB_R CMR, VREF VDDA GNDA
PINOUT
RESET DCLK MCLK RSTB GPO1/GPDACK GPI/GPDRQ/GPIRQ CDIRQ CDCSB0 CDCSB1 CDENBL OUTPUT VOLUME MUTE CONTROL RECORD MONITOR SWITCHED CAPACITOR LOWPASS FILTER 16-BIT STEREO GAME DAC/ADC 16-BIT STEREO MUSIC AOUT_L AOUT_R FDXI FDXO FOUT_L FOUT_R CIN_L CIN_R VDDD GNDD SECS/PSEL0 VOLDN/SEDO VOLUP/SEDI MUTE/SECLK GNDD PSEL1 VDDD
ANALOG SUBSYSTEMS
RECORDING SOURCE INPUT VOLUME CONTROL STEREO PROGRAMMABLE MIXER
HARDWARE VOLUME CONTROL SECLK MUTE SEDO VOLDN SEDI VOLUP PSEL0 PSEL1 PLUG PLAY CONFIGURATION CONTROLLER
SERIAL PORT WAVETABLE SERIAL PORT MPU-401 SERIAL
DCLK FSX, MCLK SW(A-D)
PORT FIFOs
ESFMFM MUSIC SYNTHESIZER DATA BUFFER WITH BYTE FIFO DUAL GAME PORT TIMERS CD-ROM INTERFACE MODEM INTERFACE GENERAL PURPOSE INTERFACE CLOCK GENERATOR TIMER
T(A-D)
CDENBL CDIRQ CDCSB0 CDCSB1 MMCSB MMIRQ MMIEB GPCS GPDACK GPI/GPDRQ/GPIRQ GPO[1:0]
D[7:0] A[11:0] IRQ(A-F) DRQ(A-D) DACKB(A-D) IOWB IORB RESET, RSTB
PROGRAMMABLE CONTROLLER
VDDD GNDD IOWB IORB IRQA IRQB IRQC IRQD IRQE IRQF DACKBA DRQA DACKBB DRQB DACKBC DRQC DACKBD DRQD GNDD VDDD GPO0/GPCS MMCSB MMIRQ MMIEB GNDD AOUT_R
ES1868F AudioDrive
AOUT_L LINE_R LINE_L CIN_R CIN_L FOUT_L FOUT_R VDDA VREF GNDA AUXA_R AUXA_L AUXB_R/FDXO AUXB_L/FDXI
MICROPROCESSOR
Name
A[9:0] VDDD GNDD D[7:0] SECS PSEL0 VOLDN SEDO VOLUP SEDI MUTE SECLK
Number
10:8, 6:4, 2:1, 100:99 19:12
Description
Address inputs from bus. Digital supply voltage. Digital ground. Active-low, address enable from bus. Bidirectional data bus. These pins have weak pull-up devices prevent these inputs from floating when driven. Serial EEPROM This input during RESET. conjunction with PSEL1, this selects device used. PSEL1 description. Active-low, volume decrease button input (shared with SEDO pin). Data output external serial EEPROM. Active-low, volume increase button input (shared with SEDI pin). Data input external serial EEPROM. Active-low, mute toggle button input (shared with SECLK pin). External serial EEPROM clock PnP. conjunction with PSEL0, this selects device used: PSEL1 SECS/PSEL0 Internal 93LC66 address bits Joystick timer pins. These pins connects positioning variable resistors joysticks. Active-low, joystick switch setting inputs. These pins have internal pull-up resistor. joystick port typically address 201. Input with internal pull-up CMR. Alternate input left channel filter stage serial mode. This function shared with AUXB_L input. Auxiliary input left. AUXB_L internal pull-up resistor CMR. Normally intended connection external wavetable music synthesizer other line level source. This optioned with FDXI function. Normally connected internal resistor. programmed connect internal FOUT_R during serial mode. This function shared with AUXB_R input. Auxiliary input right. AUXB_R internal pull-up resistor CMR. Normally intended connection external wavetable music synthesizer other line level source. This optioned with FDXO function. Auxiliary inputs left right. AUXA_L AUXA_R have internal pull-up resistors CMR. Normally intended connection internal external CD-ROM analog output. Buffered reference output. Should bypassed analog ground with electrolytic capacitor with capacitor parallel.
PSEL1
T(A-D) SW(A-D) FDXI
27:30 31:34
AUXB_L FDXO AUXB_R AUXA_L, AUXA_R
Technology, Inc.
ES1868 PRODUCT BRIEF
Name
GNDA VREF VDDA FOUT_L, FOUT_R CIN_L, CIN_R LINE_L, LINE_R AOUT AOUT_R MMIEB MMIRQ MMCSB GPO0 GPCS DRQ(A-D) DACKB(A-D) IRQ(A-F) IORB IOWB RESET DCLK MCLK RSTB GPO1 GPDACK GPDRQ GPIRQ CDIRQ CDCSB0 CDCSB1 CDENBL A[11:10]
Number
45:44
Description
Microphone input. internal pull-up resistor CMR. Analog ground. Reference generator resistor divider output. Should bypassed analog ground with capacitor. Analog supply voltage (4.5 Should greater than equal VDDD -0.3 Filter outputs left right. coupled externally CIN_L CIN_R remove offsets. These outputs have internal series resistors about 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 Line input left right. LINE_L LINE_R have internal pull-up resistors CMR. Line level stereo outputs, left right. Modem interrupt enable input. Generated from modem UART. input from modem device that gets mapped output ES1868 based configuration. Output from ES1868 modem CSB. address space determined configuration. GPO0 output that external reset thereafter controlled port 2x7h. Available system software power management other applications selected logic, becomes user defined general purpose based configuration. MIDI serial input. Schmitt trigger input with internal pull-up resistor. Either MPU-401 Sound Blaster formats. MIDI serial data output. Four (A,B,C,D) 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. Four (A,B,C,D) active-low, acknowledge inputs. (A,B,C,D,E,F) active-high interrupt requests bus. Unselected outputs high impedance. IRQs software configurable. Active-low, read strobe from bus. Active-low, write strobe from bus. Crystal oscillator output. Crystal oscillator input. Active-high, reset from bus. 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 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 ES1868 through serial interface. Inverted RESET output. Output that high external reset thereafter controlled port Audio_Base Available system software power management other applications. Shared with GPO1 pin. This used channel DACK modem, CD-ROM, user defined general purpose device. General purpose input option. This used request output modem, CD-ROM, user defined general purpose device based configuration. This used interrupt request output CD-ROM, user defined general purpose device based configuration. interrupt request input from CD-ROM. CD-ROM pin. CD-ROM pin. CD-ROM enable pin. Address inputs from bus. ES1868 requires these pins address decodes.
74:69
98:97
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
Technology, Inc.
ES1868 PRODUCT BRIEF
ANALOG CHARACTERISTICS
Parameter
Reference voltage Input impedance
TYPICAL APPLICATION
2.25
Pins
CMR, VREF (VDDA LINE_L, LINE_R, AUXA_ AUXA_R, AUXB_L, AUXB_R, CIN_L, CIN_R FOUT_L, FOUT_R
Unit
ES1868
+12v VDDD GNDD RESET VDDA GNDA AUXA_L AUXA_R AUXB_L AUXB_R LINE_L LINE_R VREF Left Right AuxB Left AuxB Right Line Left Line Right 78L05 Regulator
100K
IRQ9 IRQ5 IRQ7 IRQ10 IRQ11 IRQ12 IRQ12 IRQ15 DRQ0 DRQ1 DRQ3 -DACK0 -DACK1 -DACK3
3.5K
6.5K
Output impedance
AOUT_L, AOUT_R load full-scale output range
IRQA IRQB IRQC IRQD IRQE IRQF DRQA DRQB DRQC
VDDA -1.0 VDDA -1.0
mVp-p
Input voltage range Output voltage range Gain
LINE_L, LINE_R, AUXA_L, AUXA_R, AUXB_L, AUXB_R AOUT_L, AOUT_R full-scale output range preamp
A[15:12] LS138
93lc66 (EEPROM)
Mute Down
DACKBA FOUT_L DACKBB CIN_L DACKBC FOUT_R A[11:0] CIN_R AOUT_L AOUT_R D[7:0] IORB IOWB
Stereo Amplifier
PSEL1 VOLUP/SEDI VOLDN/SEDO MUTE /SECLK SECS/PSEL0 MCLK DB155 14.31818 RSTB CDIRQ CDCSB0 CDCSB1
DIGITAL CHARACTERISTICS
Symbol
VIH1 VIH2 VOL1
Parameters
Input high voltage: except Input high voltage: 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
Unit
Conditions
VDDD VDDD VDDD VDDD VDDD 16mA, VDDD VDDD
Connector
Interface
VOH1
BUNDLED SOFTWARE DRIVERS
AudioRack Device Drivers for:
Microsoft Windows®95 Microsoft Windows Microsoft Windows Workgroups- Microsoft Windows IBM® OS/2® Warp
VOL2 VOH2
IMPLEMENTATION PLATFORMS
Desktop Motherboards Multifunction Cards Sound Cards Voice/Fax/Modem Cards
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. ESFMand AudioRackare trademarks Technology, Inc. other trademarks owned their respective holders. Document Number: SAM0009C 1997
Technology, Inc.
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