 |
数据搜索系统，热门电子元器件搜索 |
|
|
数据搜索系统，热门电子元器件搜索 |
|
PFS172 数据表(PDF) 39 Page - PADAUK Technology. |
|
|
|||||||||||||||||||||||||||||
PFS172 数据表(HTML) 39 Page - PADAUK Technology. |
|
|
39 / 92 page  PFS172 8bit MTP MCU with 8-bit ADC ©Copyright 2020, PADAUK Technology Co. Ltd Page 39 of 92 PDK-DS-PFS172-EN_V000-May 8, 2020 5.5.3 Using the comparator and bandgap 1.20V The internal bandgap module can provide 1.20 volt, it can measure the external supply voltage level. The bandgap 1.20 volt is selected as minus input of comparator and Vinternal R is selected as plus input. The supply voltage of Vinternal R is VDD, and the VDD voltage level can be detected by adjusting the voltage level of Vinternal R to compare with bandgap. If N (gpcs[3:0] in decimal) is the number to let Vinternal R closest to bandgap 1.20 volt, the supply voltage VDD can be calculated by using the following equations: For using Case 1: VDD = [ 32 / (N+9) ] * 1.20 volt ; For using Case 2: VDD = [ 24 / (N+1) ] * 1.20 volt ; For using Case 3: VDD = [ 40 / (N+9) ] * 1.20 volt ; For using Case 4: VDD = [ 32 / (N+1) ] * 1.20 volt ; Case 1: $ GPCS VDD*12/40; // 4.0V * 12/40 = 1.2V $ GPCC Enable, BANDGAP, P_R; // - input: BANDGAP, + input: P_R( Vinternal R) …. if (GPC _Out) // or GPCC.6 { // when VDD﹥4V } else { // when VDD﹤4V } |
|
链接网址 |
| ALLDATASHEET是否为您带来帮助? [ DONATE ] |
关于 Alldatasheet | 广告服务 | 联系我们 | 隐私政策 | 数据表链接 | 链接交换 | 制造商名单 All Rights Reserved©Alldatasheet.com |
| Russian : Alldatasheetru.com | Korean : Alldatasheet.co.kr | Spanish : Alldatasheet.es | French : Alldatasheet.fr | Italian : Alldatasheetit.com Portuguese : Alldatasheetpt.com | Polish : Alldatasheet.pl | Vietnamese : Alldatasheet.vn Indian : Alldatasheet.in | Mexican : Alldatasheet.com.mx | British : Alldatasheet.co.uk | New Zealand : Alldatasheet.co.nz |
|
Family Site : ic2ic.com |
icmetro.com |
Chinese ▼
English
Chinese
German
Japanese
Russian
Korean
Spanish
French
Italian
Portuguese
Polish
Vietnamese
Indian
Mexican
British
New Zealand
