 |
công cụ tìm kiếm bảng dữ liệu linh kiện điện tử |
|
|
công cụ tìm kiếm bảng dữ liệu linh kiện điện tử |
|
STM706T bảng dữ liệu(PDF) 8 Page - STMicroelectronics |
|
||||||||||||||||||||||||||||||
STM706T bảng dữ liệu(HTML) 8 Page - STMicroelectronics |
|
|
8 / 32 page  Pin descriptions STM706T/S/R, STM706P, STM708T/S/R 8/32 Doc ID 10518 Rev 12 2 Pin descriptions 2.1 MR A logic low on MR asserts the reset output. Reset remains asserted as long as MR is low and for trec after MR returns high. This active low input has an internal pull-up. It can be driven from a TTL or CMOS logic line, or shorted to ground with a switch. Leave open if unused. 2.2 WDI If WDI remains high or low for 1.6 s, the internal watchdog timer runs out and reset (or WDO) is triggered. The internal watchdog timer clears while reset is asserted or when WDI sees a rising or falling edge. The watchdog function can be disabled by allowing the WDI pin to float. 2.3 WDO WDO goes low when a transition does not occur on WDI within 1.6 s, and remains low until a transition occurs on WDI (indicating the watchdog interrupt has been serviced) or MR input is asserted (goes low). WDO also goes low when VCC falls below the reset threshold; however, unlike the reset output, WDO goes high as soon as VCC exceeds the reset threshold. Output type is push-pull. Note: For those devices with a WDO output, a watchdog timeout will not trigger reset unless WDO is connected to MR. 2.4 RST Pulses low for trec when triggered, and stays low whenever VCC is below the reset threshold or when MR is a logic low. It remains low for trec after either VCC rises above the reset threshold, the watchdog triggers a reset, or MR goes from low to high. 2.5 RST Pulses high for trec when triggered, and stays high whenever VCC is above the reset threshold or when MR is a logic high. It remains high for trec after either VCC falls below the reset threshold, the watchdog triggers a reset, or MR goes from high to low. 2.6 PFI When PFI is less than VPFI, PFO goes low; otherwise, PFO remains high. Connect to ground if unused. |
Số phần tương tự - STM706T |
|
Mô tả tương tự - STM706T |
|
|
Link URL |
| Chính sách bảo mật |
| ALLDATASHEET.VN |
| Cho đến nay ALLDATASHEET có giúp ích cho doanh nghiệp của bạn hay không? [ DONATE ] |
Alldatasheet là | Quảng cáo | Liên lạc với chúng tôi | Chính sách bảo mật | Trao đổi link | Tìm kiếm theo nhà sản xuất 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 |
Vietnamese ▼
English
Chinese
German
Japanese
Russian
Korean
Spanish
French
Italian
Portuguese
Polish
Vietnamese
Indian
Mexican
British
New Zealand
