ST18D952 Просмотр технического описания (PDF) - STMicroelectronics

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ST18D952

DIGITAL SIGNAL PROCESSOR (DSP) CHIP

STMicroelectronics 

ST18952

SIO

There are two synchronous serial input/output (SIO) ports enable a link to serial devices such

as codecs and to other processors.

Oscillator and PLL

A 27 MHz crystal can be used with the on-chip oscillator and PLL to provide the D950Core

clock input. The PLL module multiplies the oscillator frequency by a factor of 10 and generates

a 270 MHz signal. A programmable divider is connected to the PLL output to generate the

D950 clock input. The division range is 2 to 256.

Emulation unit and JTAG IEEE 1149.1 test access port

The emulation unit (EMU) performs functions dedicated to emulation and test through the

external IEEE 1149.1 JTAG interface.

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