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| 型号： | 0W344-005-XTP |
| 厂商： | ON SEMICONDUCTOR |
| 元件分类： | 数字信号处理 |
| 英文描述： | BelaSigna 200 - Single-Chip Audio Processing System; Package: 52 PIN QFN 8x8; No of Pins: 52; Container: Tape and Reel; Qty per Container: 1000 |
| 中文描述： | 0-BIT, 33 MHz, MIXED DSP, QCC52 |
| 封装： | 8 X 8 MM, QFN-52 |
| 文件页数： | 14/43页 |
| 文件大小： | 1426K |
| 代理商： | 0W344-005-XTP |
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BelaSigna 200
The IOP places and retrieves FIFO data in memories shared with the RCore. Each FIFO (input and output) has two memory interfaces.
The first corresponds with the normal FIFO. Here the address of the most recent input block changes as new blocks arrive. The second
corresponds with the Smart FIFO. In this scheme the address of the most recent input block is fixed. The smart FIFO interface is
especially useful for time-domain filters.
In the case where the WOLA and the IOP no longer work together as a result of a low battery condition, an IOP end-of-battery-life auto-
mute feature is available.
7.3 General-Purpose Timer
The general-purpose timer is a 12-bit countdown timer with a 3-bit prescaler that interrupts the RCore when it reaches zero. It can
operate in two modes, single-shot or continuous. In single-shot mode the timer counts down only once and then generates an interrupt.
It will then have to be restarted from the RCore. In continuous mode the timer restarts with full timeout setting every time it hits zero and
interrupts are generated continuously. This unit is often useful in scheduling tasks that are not part of the sample-based signal
processing scheme, such as checking a battery voltage, or reading the value of a volume control.
7.4 Watchdog Timer
The watchdog timer is a configurable hardware timer that operates from the system clock and is used to prevent unexpected or
unstable system states. It is always active and must be periodically acknowledged as a check that an application is still running. Once
the watchdog times out, it generates an interrupt. If left to time out a second consecutive time without acknowledgement, a system reset
will occur.
7.5 RAM and ROM
There are 20 Kwords of on-chip program and data RAM on BelaSigna 200. These are divided into three entities: a 12-Kword program
memory, and two 4-Kword data memories ("X" and "Y" as are common in a dual-Harvard architecture).
There are also three RAM banks that are shared between the RCore and WOLA coprocessor. These memory banks contain the input
and output FIFOs, gain tables for the WOLA coprocessor, temporary memory for WOLA calculations, WOLA coprocessor results, and
the WOLA coprocessor microcode.
There is a 128-word lookup table (LUT) ROM that contains log2(x), 2
x, 1/x and sqrt(x) values, and a 1-Kword ProgramROM that is used
during booting and configuration of the system.
Complete memory maps for BelaSigna 200 are shown in Figure 11.
Rev. 16 | Page 21 of 43 | www.onsemi.com
相关PDF资料 |
PDF描述 |
|---|---|
| 0W588-002-XUA | BelaSigna 200 - Single-Chip Audio Processing System; Package: WLCSP 40, 3.8x2.3; No of Pins: 40; Container: Tape and Reel; Qty per Container: 5000 |
| 0W633-001-XTP | BelaSigna 250 - 16 bit Audio Processor, Full Stereo 2-in, 2-out; Package: LFBGA 57, 5x5; No of Pins: 57; Container: Tape and Reel; Qty per Container: 5000 |
| 0W888-002-XTP | BelaSigna 250 - 16 bit Audio Processor, Full Stereo 2-in, 2-out; Package: LFBGA 64, 7x7; No of Pins: 64; Container: Tape and Reel; Qty per Container: 1500 |
| 0X860 | OSCILLOSCOPE 100MHz ANALOGUE |
| 2-5174339-5 | 68 CONTACT(S), MALE, STRAIGHT TELECOM AND DATACOM CONNECTOR, SOLDER |
相关代理商/技术参数 |
参数描述 |
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| 0W588-002-XUA | 功能描述:数字信号处理器和控制器 - DSP, DSC BELASIGNA 200 WLCSP RoHS:否 制造商:Microchip Technology 核心:dsPIC 数据总线宽度:16 bit 程序存储器大小:16 KB 数据 RAM 大小:2 KB 最大时钟频率:40 MHz 可编程输入/输出端数量:35 定时器数量:3 设备每秒兆指令数:50 MIPs 工作电源电压:3.3 V 最大工作温度:+ 85 C 封装 / 箱体:TQFP-44 安装风格:SMD/SMT |
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| 0W589-007-XDS | 功能描述:音频模/数转换器 IC AUDIO AD/DA RoHS:否 制造商:Wolfson Microelectronics 转换速率: 分辨率: ADC 输入端数量: 工作电源电压: 最大工作温度: 最小工作温度: 安装风格: 封装 / 箱体: 封装: |
| 0W598001EVK | 制造商:ON Semiconductor 功能描述:B250 EDK SGL PURCH - Bulk |
| 0W633-001-XTP | 功能描述:数字信号处理器和控制器 - DSP, DSC BELASIGNA 250 CABGA 5X5 RoHS:否 制造商:Microchip Technology 核心:dsPIC 数据总线宽度:16 bit 程序存储器大小:16 KB 数据 RAM 大小:2 KB 最大时钟频率:40 MHz 可编程输入/输出端数量:35 定时器数量:3 设备每秒兆指令数:50 MIPs 工作电源电压:3.3 V 最大工作温度:+ 85 C 封装 / 箱体:TQFP-44 安装风格:SMD/SMT |
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