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參數(shù)資料
| 型號(hào)： | OX16PCI952 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | Integrated High Performance Dual UARTs, Parallel Port and 5.0v PCI interface |
| 中文描述： | 集成高性能的雙UART，并行端口和5.0V PCI接口 |
| 文件頁(yè)數(shù)： | 72/76頁(yè) |
| 文件大小： | 1386K |
| 代理商： | OX16PCI952 |
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DataSheet Revision 1.1
Page 72
OX16PCI952
OXFORD SEMICONDUCTOR LTD.
2 Consecutive Write Transactions to ECP DFIFO
PCI CLK no
1
6
9-10
10
11
14-15
17
- Start of 1
st
PCI write to ECP DFIFO register
- Start of 1
st
ECP forward Transfer Cycle
- 1
st
PCI transaction termnates with a “Data Transfer”
- Peripheral Asserts BUSY in response to the host driving STB_N low
- Start of 2
nd
PCI write to ECP DFIFO register. Current ECP forward transfer remains unaffected.
- Host responds to BUSY by de-asserting STB_N (2 clock cycles after sampling BUSY) – 1
st
ECP forward transfer.
- Peripheral Deasserts BUSY
- End of 1
st
ECP forward transfer (2 clock cycles after sampling BUSY)
Start of 2nd ECP forward Transfer Cycle
18
Tstb (PCI clk to valid STB_N)
Tpd (PCI clk to valid port Address) - 16ns max*
ECP Forward Transfer Cycle duration is dependant upon the timng response of the peripheral’s BUSY line and the parallel port
filters. Example waveformhas the parallel port filters disabled. An extra 2 PCI CLK cycles will be incurred in the response of the
host to the peripheral’s BUSY line when the filters are enabled.
*These values exclude the effects of external parasitic (board) capacitances.
- 16ns max*
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| OX16PCI952-TQFP-A | Integrated High Performance Dual UARTs, Parallel Port and 5.0v PCI interface |
| OX16PCI954 | Integrated Quad UART and PCI interface |
| OX16PCI954-TQC60-A | Integrated Quad UART and PCI interface |
| OX4240 | OCXO |
| OX1040 | OCXO |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| OX16PCI952_05 | 制造商:OXFORD 制造商全稱:OXFORD 功能描述:Integrated High Performance Dual UARTs, Parallel Port and 5.0v PCI interface |
| OX16PCI952-TQAG | 制造商:PLX Technology 功能描述: 制造商:Oxford Semiconductor 功能描述:IC PCI BRIDGE DUAL PORT UART SMD |
| OX16PCI952-TQC60-A | 制造商:OXFORD 制造商全稱:OXFORD 功能描述:Integrated High Performance Dual UARTs, Parallel Port and 5.0v PCI interface |
| OX16PCI952-TQFP-A | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Integrated High Performance Dual UARTs, Parallel Port and 5.0v PCI interface |
| OX16PCI954 | 制造商:OXFORD 制造商全稱:OXFORD 功能描述:Integrated Quad UART and PCI interface |
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