| Electronic Components Datasheet Search |
|
PCI9060ES Datasheet(PDF) 27 Page - List of Unclassifed Manufacturers |
|
|
|||||||||||||||||||||||||||||
PCI9060ES Datasheet(HTML) 27 Page - List of Unclassifed Manufacturers |
|
27 / 192 page ![]() SECTION 3 PCI 9080 FUNCTIONAL DESCRIPTION ©PLX Technology, Inc., 1997 Page 18 Version 1.02 3.5 RESPONSE TO FIFO FULL/EMPTY Table 3-6 lists the response of the PCI 9080 to full and empty FIFOs. Table 3-6. Response to FIFO Full/Empty Mode Direction FIFO PCI Side Local Side Full No action De-assert READYo# Direct Master Write Local to PCI Empty De-assert REQ# (off PCI bus) No action Full De-assert REQ# or throttle IRDY# No action Direct Master Read PCI to Local Empty No action De-assert READYo# Full Disconnect or throttle TRDY# No action Direct Slave Write PCI to Local Empty No action De-assert LHOLD, assert BLAST# (see Note) Full No action De-assert LHOLD, assert BLAST# (see Note) Direct Slave Read Local to PCI Empty Throttle TRDY# No action Full No action De-assert LHOLD, assert BLAST# Local to PCI Empty De-assert REQ# No action Full De-assert REQ# No action DMA PCI to Local Empty No action De-assert LHOLD, assert BLAST# Note: De-assert of LHOLD depends on MARBR[21]. 3.6 DIRECT DATA TRANSFER MODES Figure 3-4 and Figure 3-5 illustrate the direct data transfer modes. Refer also to Table 3-6 for responses to full and empty FIFOs. ! "#!$ #%$ &'( &) *+ , - ,. / #% &'( " 0 '+ / ,. % #% " # '+ ,& 12 '+ *% % #% +' %% "#! '+ Figure 3-4. Direct Master, Direct Slave, and DMA %!! ! " (!%1 % % (!%1 (!%1 0 (!%1 2 (!%1 3 (!%1 4 (!%1 5 (!%1 6 (!%1 7 Figure 3-5. Mailbox/Doorbell Message Passing 3.6.1 Direct Master Operation (Local Master to PCI Target) PCI 9080 supports the direct access of the PCI bus by the local processor or an intelligent controller. Master mode must be enabled in the PCI Command Register. Five registers are used to define local to PCI access: • Range • Local Base Address for Direct Master to PCI Memory Register • Local Base Address for Direct Master to PCI IO/CFG Register |
|
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 |