參數(shù)資料
型號(hào): PCI9060ES
廠商: Electronic Theatre Controls, Inc.
英文描述: 12O COMPATIBLE PCI BUS MASTER INTERFACE CHIP FOR ADAPTERS AND EMBEDDED SYSTEMS
中文描述: 12O兼容的PCI總線主控接口芯片的適配器和嵌入式系統(tǒng)
文件頁(yè)數(shù): 78/192頁(yè)
文件大?。?/td> 1551K
代理商: PCI9060ES
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SECTION 4
PCI 9080
REGISTERS
PLX Technology, Inc., 1997
Page 69
Version 1.02
4.4.11 (DMPBAM; PCI:28h, LOC:A8h) PCI Base Address (Remap) Register for Direct Master to
PCI Memory
Table 4-43. (DMPBAM; PCI:28h, LOC:A8h) PCI Base Address (Remap) Register for Direct Master to PCI Memory
Field
Description
Read
Write
Value after Reset
0
Direct Master Memory Access Enable. Value of 1 enables decode of Direct Master
Memory accesses. Value of 0 disables decode of Direct Master Memory accesses.
Yes
Yes
0
1
Direct Master I/O Access Enable. Value of 1 enables decode of Direct Master I/O
accesses. Value of 0 disables decode of Direct Master I/O accesses.
Yes
Yes
0
2
LLOCK# Input Enable. Value of 1 enables LLOCK# input, enabling PCI-locked
sequences. Value of 0 disables LLOCK# input.
Yes
Yes
0
12, 3
Direct Master Read Prefetch Size control. Values:
00 = PCI 9080 continues to prefetch read data from the PCI bus until Direct Master
access is finished. This may result in an additional four unneeded Lwords being
prefetched from the PCI bus.
01 = Prefetch up to four Lwords from the PCI bus
10 = Prefetch up to eight Lwords from the PCI bus
11 = Prefetch up to 16 Lwords from the PCI bus
If PCI memory prefetch is not wanted, performs a Direct Master single cycle.
The direct master burst reads must not exceed the programmed limit.
Yes
Yes
00
4
Direct Master PCI Read Mode. Value of 0 indicates PCI 9080 should release the
PCI bus when the read FIFO becomes full. Value of 1 indicates PCI 9080 should
keep the PCI bus and de-assert IRDY when the read FIFO becomes full.
Yes
Yes
0
10, 8:5
Programmable Almost Full Flag. When the number of entries in the 32 word direct
master write FIFO exceeds this value, the output pin DMPAF# is asserted low.
Yes
Yes
000
9
Write and Invalidate Mode. When set to 1, PCI 9080 waits for 8 or 16 Lwords to be
written from the local bus before starting PCI access. When set, all local Direct
Master to PCI write accesses must be 8 or 16 Lword bursts.
Use in conjunction with (PCI:04h)(LOC:04h) (refer to Table 4-11[4] and Section
3.6.1.9.2, “Direct Master Write and Invalidate”).
Yes
Yes
0
11
Direct Master Prefetch Limit. If set to 1, don’t prefetch past 4K (4098 bytes)
boundaries.
Yes
Yes
0
13
I/O Remap Select. When set to 1, forces PCI address bits [31:16] to all zeros.
When set to 0, uses bits [31:16] of this register as PCI address bits [31:16].
Yes
Yes
0
15:14
Direct Master Write Delay. This register is used to delay the PCI bus request after
direct master burst write cycle has started. Values:
00 = No delay; start the cycle immediately
01 = Delay 4 PCI clocks
10 = Delay 8 PCI clocks
11 = Delay 16 PCI clocks
Yes
Yes
00
31:16
Remap of Local to PCI Space into a PCI Address Space. The bits in this register
remap (replace) the local address bits used in decode as the PCI address bits. This
PCI Remap address is used for Direct Master memory and I/O accesses.
Yes
Yes
0
Note:
Remap Address value must be multiple of Range (
not
the Range register).
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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PCI9060ESREV1 制造商:PLX Technology 功能描述:
PCI9060SD 制造商:未知廠家 制造商全稱:未知廠家 功能描述:12O COMPATIBLE PCI BUS MASTER INTERFACE CHIP FOR ADAPTERS AND EMBEDDED SYSTEMS
PCI9060SD-1AF 功能描述:數(shù)字總線開(kāi)關(guān) IC PCI Bus Interface RoHS:否 制造商:Texas Instruments 開(kāi)關(guān)數(shù)量:24 傳播延遲時(shí)間:0.25 ns 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:TSSOP-56 封裝:Reel
PCI9080 制造商:PLX 制造商全稱:PLX 功能描述:I2O Compatible PCI Bus Master I/O Accelerator Chip