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參數資料
| 型號： | LC83015E |
| 元件分類： | 消費家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP80 |
| 封裝： | QFP-80 |
| 文件頁數： | 1/13頁 |
| 文件大小： | 307K |
| 代理商： | LC83015E |
Any and all SANYO products described or contained herein do not have specifications that can handle
applications that require extremely high levels of reliability, such as life-support systems, aircraft’s
control systems, or other applications whose failure can be reasonably expected to result in serious
physical and/or material damage. Consult with your SANYO representative nearest you before using
any SANYO products described or contained herein in such applications.
SANYO assumes no responsibility for equipment failures that result from using products at values that
exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges,or other
parameters) listed in products specifications of any and all SANYO products described or contained
herein.
CMOS IC
Digital Signal Processor
for Audio Applications
Ordering number:ENN4013A
LC83015E
SANYO Electric Co.,Ltd. Semiconductor Company
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
80101TN (KT)/40893JN No.4013–1/13
Overview
The LC83015E is a digital signal processor IC designed for
medium- and high-class home audio systems, such as AV
amplifiers, mini, super-mini and car audio component sys-
tems.
The LC83015E is a part of the LC83010N/NE family. It
features an internal ROM, with a large standard program
library, an internal RAM for user programs and a wide va-
riety of interface capabilities. The standard program library
includes sound-field simulation, theater surround and
karaoke programs.
The LC83015E operates from a 5V supply and is available
in 80-pin QFPs.
Features
80 ns cycle time at fs = 48kHz (256 cycles/fs)
Dual-Harvard architecture allows single-cycle stereo sig-
nal integration and playback, with two of each of the fol-
lowing.
24
× 16-bit fixed decimal point multiplier.
32-bit arithmetic operation and 24-bit arithmetic logic
operation ALU/shifter.
32-bit accumulator.
8
× 32-bit temporary storage registers.
64
× 24-bit internal data RAM.
128
× 16-bit internal coefficient RAM.
304
× 16-bit internal coefficient ROM.
Large program memory.
1024
× 32-bit standard program ROM.
256
× 32-bit user program RAM.
Standard program ROM.
Sound-field simulation library.
Auditorium simulation.
Stereo, 3-band graphic equalizer.
12-band spectrum analyzer.
Karaoke function library.
Pitch shift (realized in program RAM)
Vocal mute.
Microphone echo.
Coefficient ROM.
Logarithmic conversion coefficients.
Audio interface.
2 input channels compatible with a variety of formats.
3 output channels compatible with a variety of 32/64fs
formats.
External memory interface.
DRAM interface.
120 ns (maximum) RAS access time.
1Mbyte (256Kbyte
× 4) or 256Kbyte (64Kbyte × 4).
1 or 2 units.
SRAM/ROM interface.
100 ns (maximum) address access time.
1Mbyte (128Kbyte
× 8) or 256Kbyte (32Kbyte × 8).
1 unit.
Pseudo-SRAM interface.
70 ns (maximum) CE access time.
1Mbyte (128Kbyte
× 8) or 256Kbyte (32Kbyte × 8).
1 unit.
Package Dimensions
unit:mm
3174-QIP80E
[LC83015E]
SANYO : QIP80E
0.15
1.6
14.0
17.2
0.8
124
25
40
41
64
65
80
21.6
0.8
3.0max
1.0
2.7
15.6
0.8
1.6
0.35
23.2
20.0
0.8
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