參數(shù)資料
型號(hào): ATJ2085
廠商: Electronic Theatre Controls, Inc.
英文描述: ATJ2085 is a single-chip for flash-based digital music player
中文描述: ATJ2085是一種單芯片基于閃存的數(shù)字音樂播放器
文件頁(yè)數(shù): 33/35頁(yè)
文件大?。?/td> 609K
代理商: ATJ2085
ATJ2085 DATA SHEET Actions
Copyright 2004 Actions Semiconductor Co., Ltd. All rights reserved.
VER 1.5
Page 32
8/18/2004
the input pins, it is possible that an internal input level may be generated due to noise, etc., hence
causing malfunction. CMOS devices behave differently than Bipolar or NMOS devices. Input levels of
CMOS devices must be fixed high or low by using a pull-up or pull-down circuitry. Each unused pin
should be connected to VDD or GND with a resistor, if it is considered to have a possibility of being
an output pin. All handling related to the unused pins must be judged device by device and related
specifications governing the devices.
7.4 Status before Initialization of MOS Devices
Power-on does not necessarily define initial status of MOS device. Production process of MOS does
not define the initial operation status of the device. Immediately after the power source is turned ON,
the devices with reset function have not yet been initialized. Hence, power-on does not guarantee
out-pin levels, I/O settings or contents of registers. Device is not initialized until the reset signal is
received. Reset operation must be executed immediately after power-on for devices having reset
function.
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