Electronic Components Datasheet Search |
|
W83977EF-AW Datasheet(PDF) 55 Page - Winbond |
|
|
W83977EF-AW Datasheet(HTML) 55 Page - Winbond |
55 / 142 page W83977EF-AW/W83977EG-AW Publication Release Date: Apr. 2006 -53- Revision 1.2 7. PARALLEL PORT 7.1 Printer Interface Logic The parallel port of W83977EF/EG makes possible the attachment of various devices that accept eight bits of parallel data at standard TTL level. W83977EF/EG supports an IBM XT/AT compatible parallel port (SPP), bi-directional parallel port (BPP), Enhanced Parallel Port (EPP), Extended Capabilities Parallel Port (ECP), Extension FDD mode (EXTFDD), Extension 2FDD mode (EXT2FDD) on the parallel port. Refer to the configuration registers for more information on disabling, power- down, and on selecting the mode of operation. Table 7-1 shows the pin definitions for different modes of the parallel port. TABLE 7-1-1 PARALLEL PORT CONNECTOR AND PIN DEFINITIONS HOST CONNECTOR PIN NUMBER OF W83977EF PIN ATTRIBUTE SPP EPP ECP 1 36 O nSTB nWrite nSTB, HostClk2 2-9 31-26, 24-23 I/O PD<0:7> PD<0:7> PD<0:7> 10 22 I nACK Intr nACK, PeriphClk2 11 21 I BUSY nWait BUSY, PeriphAck2 12 19 I PE PE PEerror, nAckReverse2 13 18 I SLCT Select SLCT, Xflag2 14 35 O nAFD nDStrb nAFD, HostAck2 15 34 I nERR nError nFault1, nPeriphRequest2 16 33 O nINIT nInit nINIT1, nReverseRqst2 17 32 O nSLIN nAStrb nSLIN1 , ECPMode2 Notes : n<name > : Active Low 1. Compatible Mode 2. High Speed Mode 3. For more information, refer to the IEEE 1284 standard. |
Similar Part No. - W83977EF-AW |
|
Similar Description - W83977EF-AW |
|
|
Link URL |
Privacy Policy |
ALLDATASHEET.COM |
Does ALLDATASHEET help your business so far? [ DONATE ] |
About Alldatasheet | Advertisement | Datasheet Upload | 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 |