Bose Lifestyle 48 문제 해결 매뉴얼 - 페이지 30

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Bose Lifestyle 48에 대해서도 마찬가지입니다: 설치 매뉴얼 (42 페이지), 매뉴얼 (29 페이지), 설치 매뉴얼 (36 페이지), 소유자 매뉴얼 (25 페이지), 소유자 매뉴얼 (24 페이지), 소유자 매뉴얼 (13 페이지), 빠른 설정 매뉴얼 (3 페이지), 소유자 매뉴얼 (30 페이지)

Integrated Circuit Diagrams

DSP ADSP21065LKS, part number 254191-001

Type

SDCLK 1-0

I/O/S/T

SDRAM 2x Clock Output. In systems with multiple SDRAM devices connected in

parallel, supports the corresponding increase clock load requirements, eliminating

need of off-chip clock buffers. Either SDCLK 1 , or both SDCLKx pins can be tri-

stated.

_____

I/O/T

SDRAM Write Enable. in conjunction with CAS MSx, RAS, SDCLKx and

SWDE

sometimes SDA10, defines the operation for the SDRAM to perform.

DQM

O/T

SDRAM Data Mask. In write mode DQM has a latency of zero and is used to block

write operations.

SDCKE

I/O/T

SDRAM Clock Enable. Enables and disables the CLK signal.

SDA10

O/T

SDRAM A10 Pin. Enables applications to refresh an SDRAM in parallel with a

host access.

XTAL

Crystal Oscillator Terminal. Used in conjunction with CLKIN to enable the ADSP-

21065L's internal clock generator or to disable it to use an external clock source.

See CLKIN

________

I/O/A

PWM Output Event Capture. In PWMOUT mode, is an output pin and functions

PWM_EV

as a timer counter. In WIDTH_CNT mode, is an input pin and function as a pulse

ENT 1-0

counter.event capture.

VDD

Power Supply; Nominally +3.3Vdc (33pins)

GND

Power Supply Return. (30 Pins)

Not Connect. Reserved pins which must be left open and unconnected

PS18/28/35 Troubleshooting Guide

Function