參數(shù)資料
型號(hào): TMX320F2810PBKS
廠商: Texas Instruments, Inc.
元件分類(lèi): 數(shù)字信號(hào)處理
英文描述: DIGITAL SIGNAL PROCESSORS
中文描述: 數(shù)字信號(hào)處理器
文件頁(yè)數(shù): 50/103頁(yè)
文件大?。?/td> 1341K
代理商: TMX320F2810PBKS
TMS320F2810, TMS320F2812
DIGITAL SIGNAL PROCESSORS
SPRS174B
APRIL 2001
REVISED SEPTEMBER 2001
50
POST OFFICE BOX 1443
HOUSTON, TEXAS 77251
1443
PLL-based clock module
The F2810 and F2812 have an on-chip, PLL-based clock module. This module provides all the necessary
clocking signals for the device, as well as control for low-power mode entry. The PLL has a 4-bit ratio control
to select different CPU clock rates.
The PLL-based clock module provides two modes of operation:
Crystal-operation
This mode allows the use of an external crystal/resonator to provide the time base to the device.
External clock source operation
This mode allows the internal oscillator to be bypassed. The device clocks are generated from an external
clock source input on the XTAL1/CLKIN pin. In this case, an external oscillator clock is connected to the
XTAL1/CLKIN pin.
external reference oscillator clock option
TI recommends that customers have the resonator/crystal vendor characterize the operation of their device with
the DSP chip. The resonator/crystal vendor has the equipment and expertise to tune the tank circuit. The vendor
can also advise the customer regarding the proper tank component values that will ensure start-up and stability
over the entire operating range.
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