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參數(shù)資料
| 型號： | SAA7780 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 消費家電 |
| 英文描述： | ThunderBird Q3DE PCI Audio Accelerator(雷鳥 Q3DE PCI音頻加速器) |
| 中文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP160 |
| 封裝： | 28 X 28 MM, 3.42 MM HEIGHT, PLASTIC, QFP-160 |
| 文件頁數(shù)： | 22/70頁 |
| 文件大?。?/td> | 348K |
| 代理商： | SAA7780 |
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ThunderBird Q3D PCI Audio
Accelerator
SAA7780
Philips Semiconductors
Product Specification
1999 Sep 30
22
MIDI Interface
PLL/DSP CLK Subsystem Interface
DSP External Memory Interface
MIDIIN
18
I-T
MIDI Serial Data Input
This signal is part of the standard 2 wire MIDI interface. This input
receives MIDI data at a rate of 31.25Kbaud. Optical isolation is
required.
MIDIOUT
11
O-T
MIDI Serial Data Output
This signal is part of the standard 2 wire MIDI interface. This output
transmits MIDI data at a rate of 31.25Kbaud. Optical isolation is
required.
XTALIN
XTALOUT
23
24
I-C
O-C
OSC Clock Crystal Pad
This pin pair describes the pad required for the 14.31818MHz OSC
pad oscillator. The OSC clock is used to provide a fixed timebase for
many functions within the SAA7780 device.
DSPCLK
27
I-T
DSP Clock Input
This pin can be used as the clock input for the SAA7780 for the DSP
subsystem in place of the PLL driving the clock. DSPCLK is also
used to drive the DSP subsystem for controllability during testing.
PSUB
20
AGND
PLL Substrate
PLLDPWR
22
DPWR
PLL Digital Power
PLLDGND
25
DGND
PLL Digital Ground
PLLAPWR
21
APWR
PLL Analog Power
PLLAGND
19
AGND
PLL Analog Ground
MA[14:0]
143,141,140,
139,137,136,
134,132,131,
130,129,127,
126,125,124
O-T
External Memory Address
Address lines for the external SRAM devices. The external memory
interface can be used for DSP code space if the EXT_SRAM_EN (in
HDCFG, bit 5) is set. Otherwise, the reverb accelerator will use the
external SRAM.
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| SAA7785 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:ThunderBird Avenger PCI Audio Accelerator |
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| SAA7811HL | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Single-chip DVD-ROM |
| SAA7818HL | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:DVD and CD playback IC |
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