 |
Electronic Components Datasheet Search |
|
|
Electronic Components Datasheet Search |
|
HT85F2240 Datasheet(PDF) 73 Page - Holtek Semiconductor Inc |
|
|
|||||||||||||||||||||||||||||
HT85F2240 Datasheet(HTML) 73 Page - Holtek Semiconductor Inc |
|
|
73 / 147 page  Rev. 1.10 7� of 147 ���� �1� �01� A/D Flash 8051 Core Low Pin Count MCU HT85F2230/HT85F2240 SRST Register Software Reset A software reset will be generated after two consecutive instructions to write a high value to the SRSTREQ bit in the SRST register. The same bit can be used to identify the reset source. SRST Register SFR Address: F7h Bit 7 6 5 4 3 2 1 0 Labe� — — — — — — — SRSTREQ R/W — — — — — — — R/W POR — — — — — — — 0 Bit 7~1 Unimplemented, read as “0” Bit 0 SRSTREQ: Software reset request. Writing a ‘0’ value to this bit will have no effect. A single ‘1’ value write to this bit will have no effect. Two consecutive ‘1’ value writes to this bit will generate a software reset. Reading this bit can indicate the last reset source: 0: No software reset 1: Software reset This bit must be cleared by the application program as it will not be automatically cleared by hardware. WDTCR Register Software Reset A WDTCR software reset will be generated when a value other than “10101” or “01010”, exist in the highest five bits of the WDTCR register. The WRF bit in the RSTSRC register will be set high when this occurs, thus indicating the generation of a WDTCR software reset. WDTCR Register SFR Address: 96h Bit 7 6 5 4 3 2 1 0 Name WE4 WE� WE� WE1 WE0 — — WDTCS R/W R/W R/W R/W R/W R/W — — R/W POR 0 1 0 1 0 — — 0 Bit 7~ 3 WE4 ~ WE0: WDT function software control 10101: Disable 01010: Enable - default Other values: Reset MCU If the MCU reset is caused by WE[4:0] in WDTC software reset, the WRF flag of RSTSRC register will be set. Bit 2~1 Unimplemented, read as “0” Bit 0 WDTCS: Watchdog clock (fWDT) selection Described elsewhere |
|
Link URL |
| Does ALLDATASHEET help your business so far? [ DONATE ] |
About Alldatasheet | Advertisement | Contact us | Privacy Policy | Link to Datasheet | Link Exchange | Manufacturer List 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 |
New Zealand ▼
English
Chinese
German
Japanese
Russian
Korean
Spanish
French
Italian
Portuguese
Polish
Vietnamese
Indian
Mexican
British
New Zealand
