 |
поискавой системы для электроныых деталей |
|
|
поискавой системы для электроныых деталей |
|
PIC16F722-E/ML датащи(PDF) 37 Page - Microchip Technology |
|
|
|||||||||||||||||||||||||||||
PIC16F722-E/ML датащи(HTML) 37 Page - Microchip Technology |
|
|
37 / 302 page  © 2009 Microchip Technology Inc. DS41341E-page 37 PIC16F72X/PIC16LF72X 3.5 Brown-Out Reset (BOR) Brown-out Reset is enabled by programming the BOREN<1:0> bits in the Configuration register. The brown-out trip point is selectable from two trip points via the BORV bit in the Configuration register. Between the POR and BOR, complete voltage range coverage for execution protection can be imple- mented. Two bits are used to enable the BOR. When BOREN = 11, the BOR is always enabled. When BOREN = 10, the BOR is enabled, but disabled during Sleep. When BOREN = 0X, the BOR is disabled. If VDD falls below VBOR for greater than parameter (TBOR) (see Section 23.0 “Electrical Specifica- tions”), the Brown-out situation will reset the device. This will occur regardless of VDD slew rate. A Reset is not ensured to occur if VDD falls below VBOR for more than parameter (TBOR). If VDD drops below VBOR while the Power-up Timer is running, the chip will go back into a Brown-out Reset and the Power-up Timer will be re-initialized. Once VDD rises above VBOR, the Power-up Timer will execute a 64 ms Reset. FIGURE 3-3: BROWN-OUT SITUATIONS Note: When erasing Flash program memory, the BOR is forced to enabled at the minimum BOR setting to guarantee that any code protection circuitry is operating properly. 64 ms(1) VBOR VDD Internal Reset VBOR VDD Internal Reset 64 ms(1) < 64 ms 64 ms(1) VBOR VDD Internal Reset Note 1: 64 ms delay only if PWRTE bit is programmed to ‘0’. |
|
ссылки URL |
| Вашему бизинису помогли Аллдатащит? [ DONATE ] |
Что такое Аллдатащит | реклама | контакт | Конфиденциальность | Ссылка на техническое описание | обмен ссыками | поиск по производителю 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 |
Russian ▼
English
Chinese
German
Japanese
Russian
Korean
Spanish
French
Italian
Portuguese
Polish
Vietnamese
Indian
Mexican
British
New Zealand
