參數(shù)資料
型號(hào)： 0W633-001-XTP
廠商： ON SEMICONDUCTOR
元件分類： 數(shù)字信號(hào)處理
英文描述： 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
中文描述： 0-BIT, 50 MHz, MIXED DSP, PBGA49
封裝： 5 X 5 MM, GREEN, CABGA-49
文件頁(yè)數(shù)： 17/34頁(yè)
文件大?。?/td> 935K
代理商： 0W633-001-XTP
Rev. 7 | Page 24 of 34 | www.onsemi.com
BelaSigna 250
3.7.4. Infrared (IR) Remote Control
A switched-carrier IR remote control receiver interface is provided, which can receive commands wirelessly with the attachment of a
photovoltaic diode or similar component. Data transfer from a remote unit is initiated by first transmitting a burst sequence followed by
the data to be transferred. The data must be RS-232 formatted (8N1) and must be modulated using a 40kHz switched-carrier
modulation scheme. Data are received at 1200bps by a dedicated UART. The remote control receiver interacts with the RCore through
memory mapped control registers and interrupts.
This interface is not available on the 5x5 CABGA package, nor on the WLCSP option.
3.8 Digital Interfaces
BelaSigna 250 has the following digital interfaces:
16-pin general-purpose I/O (GPIO) interface.
Serial peripheral interface (SPI) communications port with interface speeds up to 640kbps at 1.28MHz system clock. This
interface supports data logging during operation without audible artifacts.
PCM interface for high-bandwidth digital audio I/O. This interface comes with configurable input and output buffers for reduced
interrupt handling overhead when BelaSigna 250 is used in an audio streaming application.
Configurable high-speed RS-232 universal asynchronous receiver/transmitter (UART).
RS-232-based communications port for debugging and in-circuit emulation. This interface can also be used to send analog
audio data to the input stage.
Two-wire synchronous serial (TWSS) interface compatible with the I
2C protocol and with speeds up to 100kbps at 1.28MHz
MCLK and up to 400kbps at MCLKs higher than 1.92MHz. Supports master and slave operation.
4.0 Figures and Data
4.1 Absolute Maximum Ratings
Table 10: Absolute Maximum Ratings
Parameter
Min.
Max.
Unit
Voltage at any input pin
-0.3
2.2
V
Operating supply voltage1
0.9
2.0
V
Operating temperature range2
-40
85
°C
Storage temperature range
-40
85
°C
Caution: Class 2 ESD Sensitivity, JESD22-A114-B (2000V)
4.2 Electrical Performance Specifications
The parameters in Table 11 do not vary with WOLA filterbank configuration. The tests were performed at 20C with a clean 1.8V supply
voltage. BelaSigna 250 was running in high voltage mode (VDDC=1.8V). The system clock (SYS_CLK) was set to 5.12MHz and a
sampling frequency of 16kHz was used with MCLK was set to 1.28MHz.
Parameters marked as screened are tested on each chip. Other parameters are qualified but not tested on every part.
1 Below 1.05V audio performance will be degraded.
2 Parameters may exceed listed tolerances when out of the temperature range 0 to 50°C.
相關(guān)PDF資料
PDF描述
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
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2-5174339-4 50 CONTACT(S), MALE, STRAIGHT TELECOM AND DATACOM CONNECTOR, SOLDER
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