YMF740(B/C)-V, YMF740B/C-V, YMF740C Selling Leads, Datasheet
MFG:166 Package Cooled:YAMAHA D/C:166
YMF740(B/C)-V, YMF740B/C-V, YMF740C Datasheet download
Part Number: YMF740(B/C)-V
MFG: 166
Package Cooled: YAMAHA
D/C: 166
YMF740(B/C)-V, YMF740B/C-V, YMF740C
- Table of contents:
Info of YMF740(B/C)-V
Info of YMF740B/C-V
Info of YMF740C
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About YMF262
PDF/DataSheet Download
Datasheet: YMF262
File Size: 9566767 KB
Manufacturer: ETC [ETC]
Download : Click here to Download
About YMF262
PDF/DataSheet Download
Datasheet: YMF262
File Size: 9566767 KB
Manufacturer: ETC [ETC]
Download : Click here to Download
About YMF740C
PDF/DataSheet Download
Datasheet: YMF740C
File Size: 229988 KB
Manufacturer: ETC [ETC]
Download : Click here to Download
YMF740C General Description
YMF740C (DS-1L) is a high performance audio controller for the PCI Bus. DS-1L consists of two separated functional blocks. One is the PCI Audio block and the other is the Legacy Audio block. PCI Audio block allows Software Driver to handle maximum of 41 concurrent audio streams with the Bus Master DMA engine. The PCI Audio Engine converts the sampling rate of each audio stream and the streams are mixed without utilizing the CPU or causing system latency. By using the Software Driver from YAMAHA, PCI Audio provides 32-voice XG wavetable synthesizer with Reverb and variation. It also supports DirectSound hardware accelerator, Downloadable Sound (DLS) and DirectMusic accelerator.
Legacy Audio block supports FM Synthesizer, Sound Blaster Pro, MPU401 UART mode and Joystick function in order to provide hardware compatibility for numerous PC games on real DOS without any software driver. To achieve legacy DMAC compatibility on the PCI, DS-1L supports PC/PCI protocols.
DS-1L supports the connection to AC'97 which provides high quality DAC, ADC and analog mixing.
YMF740C Maximum Ratings
| Item | Symbol | Min. | Max. | Unit |
| Power Supply Voltage 1 (PVDD, VDD5) | VDD5 | -0.5 | 7.0 | V |
| Power Supply Voltage 2 (VDD3, LVDD) | VDD3 | -0.3 | 4.6 | V |
| Input Voltage 1 (PVDD, VDD5) | VIN5 | -0.5 | VDD5+0.5 | V |
| Input Voltage 2 (VDD3, LVDD) | VIN3 | -0.3 | VDD3+0.3 | V |
| Operating Ambient Temperature | TOP | 0 | 70 | °C |
| Storage Temperature | TSTG | -50 | 125 | °C |
Note : PVSS=LVSS=VSS=0[V]
YMF740C Features
• PCI 2.1 Compliant
• PC'97/PC'98 specification Compliant
• PCI Bus Power Management rev. 1.0 Compliant (Support D0, D2 and D3 state)
• PCI Bus Master for PCI Audio
True Full Duplex Playback and Capture with different Sampling Rate
Maximum 32-voice XG capital Wavetable
Synthesizer including GM compatibility
DirectSound Hardware Acceleration
DirectMusic Hardware Acceleration
Downloadable Sound (DLS) level-1
• Supports PC/PCI DMA for legacy DMAC (8237) emulation
• Legacy Audio compatibility
FM Synthesizer
Hardware Sound Blaster Pro compatibility
MPU401 UART mode MIDI interface Joystick
• Supports AC'97 Interface (AC-Link)
• Hardware Volume Control
• Single Crystal operation (24.576MHz)
• 5V Power supply for I/O. 3.3V Power supply for Internal core logic
• 144-pin LQFP (YMF740C-V)
• PC'97/PC'98 specification Compliant
• PCI Bus Power Management rev. 1.0 Compliant (Support D0, D2 and D3 state)
• PCI Bus Master for PCI Audio
True Full Duplex Playback and Capture with different Sampling Rate
Maximum 32-voice XG capital Wavetable
Synthesizer including GM compatibility
DirectSound Hardware Acceleration
DirectMusic Hardware Acceleration
Downloadable Sound (DLS) level-1
• Supports PC/PCI DMA for legacy DMAC (8237) emulation
• Legacy Audio compatibility
FM Synthesizer
Hardware Sound Blaster Pro compatibility
MPU401 UART mode MIDI interface Joystick
• Supports AC'97 Interface (AC-Link)
• Hardware Volume Control
• Single Crystal operation (24.576MHz)
• 5V Power supply for I/O. 3.3V Power supply for Internal core logic
• 144-pin LQFP (YMF740C-V)
YMF740C Connection Diagram
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