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Read time: 3 minute(s)
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< section class = "- topic/section section" id = "id__section_b4t_ch3_fdc" data-ofbid = "id__section_b4t_ch3_fdc" > < h2 class = "- topic/title title sectiontitle" > 测试环境< / h2 >
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< li class = "- topic/li li" data-ofbid = "d132796e35__20250519091519" > < strong class = "+ topic/ph hi-d/b ph b" > 硬件< / strong > < ul class = "- topic/ul ul simple" id = "id__ul_qqf_dh3_fdc" data-ofbid = "id__ul_qqf_dh3_fdc" >
< li class = "- topic/li li" data-ofbid = "d132796e40__20250519091519" >
< p class = "- topic/p p" data-ofbid = "d132796e42__20250519091519" > 开发板< / p >
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< / li >
< / ul > < / li >
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< li class = "- topic/li li" data-ofbid = "d132796e47__20250519091519" > < strong class = "+ topic/ph hi-d/b ph b" > 软件< / strong > < ul class = "- topic/ul ul simple" id = "id__ul_ctm_dh3_fdc" data-ofbid = "id__ul_ctm_dh3_fdc" >
< li class = "- topic/li li" data-ofbid = "d132796e52__20250519091519" >
< p class = "- topic/p p" data-ofbid = "d132796e54__20250519091519" > PC 端的串口终端软件，用于 PC 和开发板进行串口通信< / p >
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< / li >
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< li class = "- topic/li li" data-ofbid = "d132796e58__20250519091519" >
< p class = "- topic/p p" data-ofbid = "d132796e60__20250519091519" > test_psadc 测试程序< / p >
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< / li >
< / ul > < / li >
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< li class = "- topic/li li" data-ofbid = "d132796e65__20250519091519" > < strong class = "+ topic/ph hi-d/b ph b" > 软件配置< / strong > < div class = "- topic/div div section" id = "id__test-psadc" >
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< strong class = "+ topic/ph hi-d/b ph b" > < code class = "+ topic/ph pr-d/codeph ph codeph" > test_psadc< / code > 配置< / strong >
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< div class = "- topic/p p" data-ofbid = "d132796e75__20250519091519" > 在 < span class = "- topic/ph ph" > Luban-Lite< / span > 根目录下执行 < span class = "+ topic/keyword sw-d/cmdname keyword cmdname" > scons --menuconfig< / span > ，进入
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menuconfig
的功能配置界面，按如下选择：< pre class = "+ topic/pre pr-d/codeblock pre codeblock language-c" id = "id__codeblock_zrb_gh3_fdc" data-ofbid = "id__codeblock_zrb_gh3_fdc" > Drivers options --->
Drivers examples --->
[*] Enable PSADC driver test command< / pre > < / div >
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< / div > < / li >
< / ul >
< / section >
< section class = "- topic/section section" id = "id__id5" data-ofbid = "id__id5" > < h2 class = "- topic/title title sectiontitle" > RTOS 环境< / h2 >
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< ul class = "- topic/ul ul" id = "id__ul_ylw_2qb_pdc" data-ofbid = "id__ul_ylw_2qb_pdc" >
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< li class = "- topic/li li" data-ofbid = "d132796e96__20250519091519" >
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< div class = "- topic/div div section" id = "id__id6" >
< strong class = "+ topic/ph hi-d/b ph b" > < code class = "+ topic/ph pr-d/codeph ph codeph" > test_psadc< / code > 测试< / strong >
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< div class = "- topic/p p" data-ofbid = "d132796e105__20250519091519" > 在打开 < code class = "+ topic/ph pr-d/codeph ph codeph" > test_psadc< / code > 的编译后，板子上可直接运行
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< span class = "+ topic/keyword sw-d/cmdname keyword cmdname" > test_psadc< / span >
命令：< pre class = "+ topic/pre pr-d/codeblock pre codeblock language-c" id = "id__codeblock_ac4_wqb_pdc" data-ofbid = "id__codeblock_ac4_wqb_pdc" > test_psadc -h< / pre > < pre class = "+ topic/pre pr-d/codeblock pre codeblock language-c" id = "id__codeblock_znk_kh3_fdc" data-ofbid = "id__codeblock_znk_kh3_fdc" > Compile time: Jul < span class = "hl-number" > 26< / span > < span class = "hl-number" > 2023< / span > < span class = "hl-number" > 08< / span > :< span class = "hl-number" > 20< / span > :< span class = "hl-number" > 53< / span >
Usage: test_psadc [options]:
-r, --read Read the adc value
-t, --voltage Set < strong class = "hl-keyword" > default< / strong > voltage
-s, --status Show more hardware information
-n, --number Set the number of samples, < strong class = "hl-keyword" > default< / strong > is < span class = "hl-number" > 10< / span >
-h, --help
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Example: test_psadc -r< / pre > < / div > < ul class = "- topic/ul ul" id = "id__ul_m4d_xqb_pdc" data-ofbid = "id__ul_m4d_xqb_pdc" >
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< li class = "- topic/li li" data-ofbid = "d132796e119__20250519091519" >
< div class = "- topic/p p" data-ofbid = "d132796e121__20250519091519" > ADC 基准参考电压：通过 eFuse 获取的电压。不同产品系列的 ADC 基准参考电压如下所示：< ul class = "- topic/ul ul simple" id = "id__ul_rff_hh3_fdc" data-ofbid = "id__ul_rff_hh3_fdc" >
< li class = "- topic/li li" data-ofbid = "d132796e125__20250519091519" >
< p class = "- topic/p p" data-ofbid = "d132796e127__20250519091519" > D21x: 3.0 V< / p >
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< / li >
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< li class = "- topic/li li" data-ofbid = "d132796e131__20250519091519" >
< p class = "- topic/p p" data-ofbid = "d132796e133__20250519091519" > D13x: 2.5 V< / p >
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< / li >
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< li class = "- topic/li li" data-ofbid = "d132796e137__20250519091519" >
< p class = "- topic/p p" data-ofbid = "d132796e139__20250519091519" > D12x: 2.5 V< / p >
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< / li >
< / ul > < / div >
< / li >
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< li class = "- topic/li li" data-ofbid = "d132796e145__20250519091519" >
< div class = "- topic/p p" data-ofbid = "d132796e147__20250519091519" > 默认电压：无法通过 eFuse 获取电压时才使用的电压。默认电压值配置为如上不同产品系列所对应的 adc 基准参考电压。< div class = "- topic/note note tip note_tip" id = "id__note_avl_qn3_ddc" data-ofbid = "id__note_avl_qn3_ddc" > < span class = "note__title" > 提示：< / span >
< p class = "- topic/p p" data-ofbid = "d132796e151__20250519091519" > 无法获取 ADC 基准参考电压时，系统会返回信息提示： < samp class = "+ topic/ph sw-d/systemoutput ph systemoutput sysout" > Failed to
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obtainre ference voltage through
efuse< / samp > ，此时才需执行 < span class = "+ topic/keyword sw-d/cmdname keyword cmdname" > -t,
--voltage< / span > 命令配置默认电压值。< / p >
< / div > < / div >
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< / li >
< / ul > < / div >
< / li >
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< li class = "- topic/li li" data-ofbid = "d132796e164__20250519091519" >
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< div class = "- topic/div div section" id = "id__adc" >
< strong class = "+ topic/ph hi-d/b ph b" > ADC 读取测试< / strong >
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< div class = "- topic/p p" data-ofbid = "d132796e171__20250519091519" > ADC 数据的读取可以使用 Shell 命令 < span class = "+ topic/keyword sw-d/cmdname keyword cmdname" > test_psadc< / span > ： < ul class = "- topic/ul ul" id = "id__ul_tfd_qqb_pdc" data-ofbid = "id__ul_tfd_qqb_pdc" >
< li class = "- topic/li li" data-ofbid = "d132796e178__20250519091519" > 每次可读取某一个通道中的当前数据：< pre class = "+ topic/pre pr-d/codeblock pre codeblock language-c" id = "id__codeblock_tz3_hh3_fdc" data-ofbid = "id__codeblock_tz3_hh3_fdc" > test_psadc -s< / pre > < pre class = "+ topic/pre pr-d/codeblock pre codeblock language-c" id = "id__codeblock_hd4_pqb_pdc" data-ofbid = "id__codeblock_hd4_pqb_pdc" > In PSADC V1.< span class = "hl-number" > 01< / span >
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enabled < span class = "hl-number" > 3< / span > channels: [< span class = "hl-number" > 5< / span > ][< span class = "hl-number" > 6< / span > ][< span class = "hl-number" > 7< / span > ]< / pre > < / li >
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< li class = "- topic/li li" data-ofbid = "d132796e185__20250519091519" > 设置 ADC
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基准参考电压的默认值：< pre class = "+ topic/pre pr-d/codeblock pre codeblock language-c" id = "id__codeblock_jmy_pqb_pdc" data-ofbid = "id__codeblock_jmy_pqb_pdc" > test_psadc -t < span class = "hl-number" > 3< / span > < / pre > < / li >
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< li class = "- topic/li li" data-ofbid = "d132796e190__20250519091519" > 未设置采样次数时，默认采样 10
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次：< pre class = "+ topic/pre pr-d/codeblock pre codeblock language-c" id = "id__codeblock_rnk_tqb_pdc" data-ofbid = "id__codeblock_rnk_tqb_pdc" > test_psadc -n < span class = "hl-number" > 2< / span > < / pre > < / li >
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< li class = "- topic/li li" data-ofbid = "d132796e195__20250519091519" >
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< pre class = "+ topic/pre pr-d/codeblock pre codeblock language-c" id = "id__codeblock_ldt_qqb_pdc" data-ofbid = "id__codeblock_ldt_qqb_pdc" > test_psadc -r< / pre >
< pre class = "+ topic/pre pr-d/codeblock pre codeblock language-c" id = "id__codeblock_x3f_vqb_pdc" data-ofbid = "id__codeblock_x3f_vqb_pdc" > The reference voltage is < span class = "hl-number" > 3.< / span > < span class = "hl-number" > 0< / span > v # 当前 ADC 计算所使用的的电压值
Start samplng < span class = "hl-number" > 2< / span > samples for3 channels
Sample time: < span class = "hl-number" > 11< / span > us
[< span class = "hl-number" > 1< / span > ] PSADC: < span class = "hl-number" > 4095976833< / span > # ADC 值依次是所设置通道(从小到大排序[< span class = "hl-number" > 5< / span > ][< span class = "hl-number" > 6< / span > ][< span class = "hl-number" > 7< / span > ]通道)的采样值
voltage: < span class = "hl-number" > 3.< / span > < span class = "hl-number" > 0< / span > v < span class = "hl-number" > 0.71< / span > v < span class = "hl-number" > 0.61< / span > v # 同理，该电压值依次是[< span class = "hl-number" > 5< / span > ][< span class = "hl-number" > 6< / span > ][< span class = "hl-number" > 7< / span > ]通道的电压
Sample time: < span class = "hl-number" > 10< / span > us
[< span class = "hl-number" > 2< / span > ] PSADC: < span class = "hl-number" > 4095907750< / span >
voltage: < span class = "hl-number" > 3.< / span > < span class = "hl-number" > 0< / span > v < span class = "hl-number" > 0.66< / span > v < span class = "hl-number" > 0.54< / span > v
Sample time: < span class = "hl-number" > 10< / span > us
< / pre >
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< / li >
< / ul > < / div > < / div >
< / li >
< / ul >
< / section >
< section class = "- topic/section section" id = "id__section_g2n_hh3_fdc" data-ofbid = "id__section_g2n_hh3_fdc" > < h2 class = "- topic/title title sectiontitle" > 裸机环境< / h2 >
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< ul class = "- topic/ul ul" id = "id__ul_nd3_fqb_pdc" data-ofbid = "id__ul_nd3_fqb_pdc" >
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< li class = "- topic/li li" data-ofbid = "d132796e215__20250519091519" >
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< div class = "- topic/div div section" id = "id__id8" >
< strong class = "+ topic/ph hi-d/b ph b" > < code class = "+ topic/ph pr-d/codeph ph codeph" > test_psadc< / code > 测试< / strong >
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< div class = "- topic/p p" data-ofbid = "d132796e224__20250519091519" > 在打开 < code class = "+ topic/ph pr-d/codeph ph codeph" > test_psadc< / code > 的编译后，板子上可直接运行
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< span class = "+ topic/keyword sw-d/cmdname keyword cmdname" > test_psadc< / span >
命令：< pre class = "+ topic/pre pr-d/codeblock pre codeblock language-c" id = "id__codeblock_ehg_mqb_pdc" data-ofbid = "id__codeblock_ehg_mqb_pdc" > test_psadc help< / pre > < pre class = "+ topic/pre pr-d/codeblock pre codeblock language-c" id = "id__codeblock_shj_lh3_fdc" data-ofbid = "id__codeblock_shj_lh3_fdc" > Compile time: May < span class = "hl-number" > 29< / span > < span class = "hl-number" > 2024< / span > < span class = "hl-number" > 13< / span > :< span class = "hl-number" > 23< / span > :< span class = "hl-number" > 14< / span >
Usage: test_psadc [options]
test_psadc read : Get the adc value
test_psadc modify < default_voltage> : Modify < strong class = "hl-keyword" > default< / strong > voltage
test_psadc status : Check the psadc status
test_psadc help : Get this help
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Example: test_psadc read< / pre > < / div > < ul class = "- topic/ul ul" id = "id__ul_yvn_nqb_pdc" data-ofbid = "id__ul_yvn_nqb_pdc" >
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< li class = "- topic/li li" data-ofbid = "d132796e238__20250519091519" >
< div class = "- topic/p p" data-ofbid = "d132796e240__20250519091519" > ADC 基准参考电压：通过 eFuse 获取的电压。不同产品系列的 ADC 基准参考电压如下所示：< ul class = "- topic/ul ul simple" id = "id__ul_xrr_hh3_fdc" data-ofbid = "id__ul_xrr_hh3_fdc" >
< li class = "- topic/li li" data-ofbid = "d132796e244__20250519091519" >
< p class = "- topic/p p" data-ofbid = "d132796e246__20250519091519" > D21x: 3.0 V< / p >
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< / li >
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< li class = "- topic/li li" data-ofbid = "d132796e250__20250519091519" >
< p class = "- topic/p p" data-ofbid = "d132796e252__20250519091519" > D13x: 2.5 V< / p >
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< / li >
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< li class = "- topic/li li" data-ofbid = "d132796e256__20250519091519" >
< p class = "- topic/p p" data-ofbid = "d132796e258__20250519091519" > D12x: 2.5 V< / p >
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< / li >
< / ul > < / div >
< / li >
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< li class = "- topic/li li" data-ofbid = "d132796e264__20250519091519" >
< div class = "- topic/p p" data-ofbid = "d132796e266__20250519091519" > 默认电压：无法通过 eFuse 获取电压时才使用的电压。默认电压值配置为如上不同产品系列所对应的 adc 基准参考电压。< div class = "- topic/note note tip note_tip" id = "id__note_bvl_qn3_ddc" data-ofbid = "id__note_bvl_qn3_ddc" > < span class = "note__title" > 提示：< / span >
< p class = "- topic/p p" data-ofbid = "d132796e270__20250519091519" > 无法获取 ADC 基准参考电压时，系统会返回信息提示： < samp class = "+ topic/ph sw-d/systemoutput ph systemoutput sysout" > Failed to obtain
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reference voltage through efuse< / samp > ，此时才需执行
< span class = "+ topic/keyword sw-d/cmdname keyword cmdname" > modify< / span > 命令配置默认电压值。< / p >
< / div > < / div >
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< / li >
< / ul > < / div >
< / li >
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< li class = "- topic/li li" data-ofbid = "d132796e283__20250519091519" >
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< div class = "- topic/div div section" id = "id__id9" >
< strong class = "+ topic/ph hi-d/b ph b" > ADC 读取测试< / strong >
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< div class = "- topic/p p" data-ofbid = "d132796e290__20250519091519" > ADC 数据的读取可以使用 Shell 命令 < span class = "+ topic/keyword sw-d/cmdname keyword cmdname" > test_psadc< / span > ，每次可读取某一个通道中的当前数据。< ul class = "- topic/ul ul" id = "id__ul_rbn_3qb_pdc" data-ofbid = "id__ul_rbn_3qb_pdc" >
< li class = "- topic/li li" data-ofbid = "d132796e297__20250519091519" >
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< pre class = "+ topic/pre pr-d/codeblock pre codeblock language-c" id = "id__codeblock_v25_hh3_fdc" data-ofbid = "id__codeblock_v25_hh3_fdc" > test_psadc status< / pre >
< pre class = "+ topic/pre pr-d/codeblock pre codeblock language-c" id = "id__codeblock_jmv_hqb_pdc" data-ofbid = "id__codeblock_jmv_hqb_pdc" > In PSADC V1.< span class = "hl-number" > 01< / span >
enabled < span class = "hl-number" > 3< / span > channels: [< span class = "hl-number" > 5< / span > ][< span class = "hl-number" > 6< / span > ][< span class = "hl-number" > 7< / span > ]< / pre >
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< / li >
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< li class = "- topic/li li" data-ofbid = "d132796e306__20250519091519" >
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< pre class = "+ topic/pre pr-d/codeblock pre codeblock language-c" id = "id__codeblock_ojf_3qb_pdc" data-ofbid = "id__codeblock_ojf_3qb_pdc" > test_psadc modify < span class = "hl-number" > 3< / span > # 设置 adc 基准参考电压的默认值< / pre >
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< / li >
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< li class = "- topic/li li" data-ofbid = "d132796e312__20250519091519" >
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< pre class = "+ topic/pre pr-d/codeblock pre codeblock language-c" id = "id__codeblock_ryj_jqb_pdc" data-ofbid = "id__codeblock_ryj_jqb_pdc" > test_psadc read< / pre >
< pre class = "+ topic/pre pr-d/codeblock pre codeblock language-c" id = "id__codeblock_e3p_jqb_pdc" data-ofbid = "id__codeblock_e3p_jqb_pdc" > The reference voltage is < span class = "hl-number" > 3.< / span > < span class = "hl-number" > 0< / span > v # 当前 ADC 计算所使用的的电压值
Start samplng for3 channels
Sample time: < span class = "hl-number" > 11< / span > us
[< span class = "hl-number" > 1< / span > ] PSADC: < span class = "hl-number" > 4095976833< / span > # ADC 值依次是所设置通道(从小到大排序[< span class = "hl-number" > 5< / span > ][< span class = "hl-number" > 6< / span > ][< span class = "hl-number" > 7< / span > ]通道)的采样值
voltage: < span class = "hl-number" > 3.< / span > < span class = "hl-number" > 0< / span > v < span class = "hl-number" > 0.71< / span > v < span class = "hl-number" > 0.61< / span > v # 同理，该电压值依次是[< span class = "hl-number" > 5< / span > ][< span class = "hl-number" > 6< / span > ][< span class = "hl-number" > 7< / span > ]通道的电压
Sample time: < span class = "hl-number" > 10< / span > us
[< span class = "hl-number" > 2< / span > ] PSADC: < span class = "hl-number" > 4095907750< / span >
voltage: < span class = "hl-number" > 3.< / span > < span class = "hl-number" > 0< / span > v < span class = "hl-number" > 0.66< / span > v < span class = "hl-number" > 0.54< / span > v
Sample time: < span class = "hl-number" > 10< / span > us
< / pre >
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< / li >
< / ul > < / div > < / div >
< / li >
< / ul >
< / section >
< / div >
< / article > < / main > < / div >
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< nav role = "navigation" id = "wh_topic_toc" aria-label = "On this page" class = "col-lg-2 d-none d-lg-block navbar d-print-none" >
< div id = "wh_topic_toc_content" >
< div class = " wh_topic_toc " > < div class = "wh_topic_label" > 在本页上< / div > < ul > < li class = "section-item" > < div class = "section-title" > < a href = "#id__section_b4t_ch3_fdc" data-tocid = "id__section_b4t_ch3_fdc" > 测试环境< / a > < / div > < / li > < li class = "section-item" > < div class = "section-title" > < a href = "#id__id5" data-tocid = "id__id5" > RTOS 环境< / a > < / div > < / li > < li class = "section-item" > < div class = "section-title" > < a href = "#id__section_g2n_hh3_fdc" data-tocid = "id__section_g2n_hh3_fdc" > 裸机环境< / a > < / div > < / li > < / ul > < / div >
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< footer class = "navbar navbar-default wh_footer" >
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.p1 {
font-family: FangZhengShuSong, Times, serif;
}
.p2 {
font-family: Arial, Helvetica, sans-serif;
}
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font-family: "Lucida Console", "Courier New", monospace;
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< div class = "webhelp.fragment.footer" >
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< p class = "p1" > Copyright © 2019-2025 广东匠芯创科技有限公司. All rights reserved.< / p >
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Update Time: 2025-05-19
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