(China (Mainland))
Product Summary
The YMF740B-V 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 YMF740B-V PCI Audio Engine converts the sampling rate of each audio stream and the streams are mixed without utilizing the CPU or causing system latency.
Parametrics
YMF740B-V absolute maximum ratings: (1)Power Supply Voltage 1 (PVDD, VDD5): -0.5 to 7.0 V; (2)Power Supply Voltage 2 (VDD3, LVDD): -0.3 to 4.6 V; (3)Input Voltage 1 (PVDD, VDD5): -0.5 to VDD5+0.5 V; (4)Input Voltage 2 (VDD3, LVDD): -0.3 to VDD3+0.3 V; (5)Operating Ambient Temperature: 0 to 70℃; (6)Storage Temperature: -50 to 125 ℃.
Features
YMF740B-V features: (1)PCI 2.1 Compliant; (2)PC 97/PC 98 specification Compliant; (3)PCI Bus Power Management rev. 1.0 Compliant (Support D0, D2 and D3 state); (4)PCI Bus Master for PCI Audio; (5)Supports PC/PCI DMA for legacy DMAC (8237) emulation; (6)Legacy Audio compatibility; (7)Supports AC 97 Interface (AC-Link); (8)Hardware Volume Control; (9)Single Crystal operation (24.576MHz); (10)5V Power supply for I/O. 3.3V Power supply for Internal core logic; (11)144-pin LQFP (YMF740C-V).
Diagrams
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