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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 Wavetab...

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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 Tr...

YMF740C Data Sheet

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Part Number:
YMF740C
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/4/19

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Product Details

Description



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)


Pinout

Connection Diagram


Specifications

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]




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.




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