代码搜索:ad转换
找到约 10,000 项符合「ad转换」的源代码
代码结果 10,000
www.eeworm.com/read/154104/11989035
c soft_ad.c
/*软件A/D所能实现的精度有限,测量电压范围是2-15V,
而且速度低(约1KHz),但仅用一个电容和一个电阻的诱惑
力,我想大虾您会笑纳的。用于某些场合是有用的。
原理是利用470K电阻对1uF电容充电,利用P0.0口作为检测电压,
当电压低于1/3 VCC时,P0.0读入的I/O电平为0,当充电电压超过
1/3 VCC时,P0.0读入的I/O电平为1。通过测量此过程所用的时间, ...
www.eeworm.com/read/342755/12003166
pdf ad974.pdf
www.eeworm.com/read/256179/12014058
qpf ad0809.qpf
# Copyright (C) 1991-2005 Altera Corporation
# Your use of Altera Corporation's design tools, logic functions
# and other software and tools, and its AMPP partner logic
# functions, and any
www.eeworm.com/read/256179/12014060
pof ad0809.pof
www.eeworm.com/read/256179/12014078
sof ad0809.sof
www.eeworm.com/read/256179/12014082
vhd ad0809.vhd
LIBRARY IEEE;
USE IEEE.STD_LOGIC_1164.ALL;
USE IEEE.STD_LOGIC_UNSIGNED.ALL;
ENTITY AD0809 IS
PORT(
SYSCLOCK : IN STD_LOGIC;
OE : OUT STD_LOGIC;
WR_n : OUT STD_LOGIC;
www.eeworm.com/read/256179/12014087
qsf ad0809.qsf
# Copyright (C) 1991-2005 Altera Corporation
# Your use of Altera Corporation's design tools, logic functions
# and other software and tools, and its AMPP partner logic
# functions, and any
www.eeworm.com/read/256179/12014093
qws ad0809.qws
[ProjectWorkspace]
ptn_Child1=Frames
ptn_Child2=ActionPoints
[ProjectWorkspace.Frames]
ptn_Child1=ChildFrames
[ProjectWorkspace.Frames.ChildFrames]
ptn_Child1=Document-0
ptn_Child2=Document-1
www.eeworm.com/read/256179/12014289