 |
Electronic Components Datasheet Search |
|
|
Electronic Components Datasheet Search |
|
W83787F Datasheet(PDF) 7 Page - Winbond |
|
||||||||||||||||||||||||||||||
W83787F Datasheet(HTML) 7 Page - Winbond |
|
|
7 / 123 page  W83787IF Publication Release Date:Sep 1995 - 7 - Revision A1 Game Port/Power Down Interface, continued PDCIN IRRX2 3 I I This input pin controls the chip power down. When this pin is active, the clock supply to the chip will be inhibited and the output pins will be tri- stated as defined in CR4 and CR6. The PDCIN is pulled down internally. Its active state is defined by bit 4 of CRA (PDCHACT). Default is high active. PDCIN can be programmed by CR0D register as input pin IRRX2 for serial infrared communication. 1.4 Multi-Mode Parallel Port The following pins have eight functions, which are controlled by bits PRTMOD0, PRTMOD1, and PRTMOD2 of CR0 and CR9 (refer to section 6.0, Extended Functions). SYMBOL PIN I/O FUNCTION BUSY 24 I OD I OD _ PRINTER MODE: BUSY An active high input indicates that the printer is not ready to receive data. This pin is pulled high internally. Refer to the description of the parallel port for the definition of this pin in ECP and EPP mode. EXTENSION FDD MODE: MOB2 This pin is for Extension FDD B; the function of this pin is the same as that of the MOB pin. EXTENSION ADAPTER MODE: XIRQ This pin is an interrupt request generated by the Extension Adapter and is an active high input. EXTENSION 2FDD MODE: MOB2 This pin is for Extension FDD A and B; the function of this pin is the same as that of the MOB pin. JOYSTICK MODE: NC pin. |
Similar Part No. - W83787F |
|
Similar Description - W83787F |
|
|
Link URL |
| Privacy Policy |
| ALLDATASHEET.NET |
| Does ALLDATASHEET help your business so far? [ DONATE ] |
About Alldatasheet | Advertisement | Contact us | Privacy Policy | 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 |
English ▼
English
Chinese
German
Japanese
Russian
Korean
Spanish
French
Italian
Portuguese
Polish
Vietnamese
Indian
Mexican
British
New Zealand
