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STLC5046 bảng dữ liệu(PDF) 1 Page - STMicroelectronics |
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STLC5046 bảng dữ liệu(HTML) 1 Page - STMicroelectronics |
1 / 27 page PROGRAMMABLE MONOLITHIC 4 CHAN- NEL CODEC/FILTER SINGLE +3.3V SUPPLY PIN STRAP / MCU CONTROL MODE A/ µ LAW PROGRAMMABLE LINEAR CODING (16 BITS) OPTION PCM HIGHWAY FORMAT AUTOMATICALLY DETECTED: 1.536 or 1.544MHz; 2.048, 4.096, 8192 MHz TX GAIN PROGRAMMING: 16dB RANGE; <0.1dB STEP RX GAIN PROGRAMMING: 26dB RANGE; <0.1dB STEP PROGRAMMABLE TIME SLOT ASSIGN- MENT DIGITAL AND ANALOG LOOPBACKS SLIC CONTROL PORT STATIC MODE (16 I/Os) DYNAMIC MODE (12 I/Os + 4 CS) 64 TQFP PACKAGE PCM IN HI-Z MODE DESCRIPTION The STLC5046 is a monolithic programmable 4 channel codec and filter. It operates with a single +3.3V supply. The analog interface is based on a receive output buffer driving the SLIC RX input and on an amplifier input stage. Due to the single supply voltage a proper midsupply reference level is generated internally by the device and all ana- log signals are referred to this level (AGND). The PCM interface uses one common 8KHz frame sync. pulse for transmit and receive direction. The bit clock can be selected between four standards: 1.536/1.544MHz, 2.048MHz, 4.096MHz, 8192MHz. Device programmability is achieved by means of 41 registers allowing to set the dif- ferent parameters like TX/RX gains, encoding law (A/ µ), time slot assignment, independent chan- nels power up/down, loopbacks, PCM bits offset. Thanks to pinstrap option, the most significant of the above parameters can be set by hardware connection of dedicated pins. This allow to use this device also on line card without MCU on board. When pin strap option is selected different pins of the device will change their function (see pin description). In MCU control mode the STLC5046 can be pro- grammed via serial interface running up to 4MHz. One interrupt output pin is also provided. This is preliminary information on a new product now in development. Details are subject to change without notice. December 1999 ® TQFP64 ORDERING NUMBER: STLC5046 STLC5046 PROGRAMMABLE FOUR CHANNEL CODEC AND FILTER PRODUCT PREVIEW 1/27 |
Số phần tương tự - STLC5046 |
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Mô tả tương tự - STLC5046 |
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