 |
Electronic Components Datasheet Search |
|
|
Electronic Components Datasheet Search |
|
AT89C51AC3-RDTIM Datasheet(PDF) 95 Page - ATMEL Corporation |
|
|
|||||||||||||||||||||||||||||
AT89C51AC3-RDTIM Datasheet(HTML) 95 Page - ATMEL Corporation |
|
|
95 / 141 page  95 AT89C51AC3 4383A–8051–10/04 Figure 53. PCA Timer/Counter The CMOD register includes three additional bits associated with the PCA. • The CIDL bit which allows the PCA to stop during idle mode. • The WDTE bit which enables or disables the WatchDog function on module 4. • The ECF bit which when set causes an interrupt and the PCA overflow flag CF in CCON register to be set when the PCA timer overflows. The CCON register contains the run control bit for the PCA and the flags for the PCA timer and each module. • The CR bit must be set to run the PCA. The PCA is shut off by clearing this bit. • The CF bit is set when the PCA counter overflows and an interrupt will be generated if the ECF bit in CMOD register is set. The CF bit can only be cleared by software. • The CCF0:4 bits are the flags for the modules (CCF0 for module0...) and are set by hardware when either a match or a capture occurs. These flags also can be cleared by software. PCA Modules Each one of the five compare/capture modules has six possible functions. It can perform: • 16-bit Capture, positive-edge triggered • 16-bit Capture, negative-edge triggered • 16-bit Capture, both positive and negative-edge triggered • 16-bit Software Timer • 16-bit High Speed Output • 8-bit Pulse Width Modulator. In addition module 4 can be used as a WatchDog Timer. CIDL CPS1 CPS0 ECF It CH CL 16 bit up counter To PCA modules FPca/6 FPca/2 T0 OVF P1.2 Idle CMOD 0xD9 WDTE CF CR CCON 0xD8 CCF4 CCF3 CCF2 CCF1 CCF0 overflow |
|
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
