參數(shù)資料
型號: OR3TP12-6PS240I
英文描述: Quad 2.3V 10 MHz OP, I temp, -40C to +85C, 14-SOIC 150mil, T/R
中文描述: 用戶可編程ASIC的特殊功能
文件頁數(shù): 55/128頁
文件大小: 2450K
代理商: OR3TP12-6PS240I
Lucent Technologies Inc.
Lucent Technologies Inc.
55
Data Sheet
March 2000
ORCA OR3TP12 FPSC
Embedded Master/Target PCI Interface
PCI Bus Core Target Controller Detailed Description
(continued)
For a write burst transaction to an odd address (
ad2
= 1), the first write data word transferred to the FPGA applica-
tion will have all its byte enables deasserted and can be discarded. For Target read transactions to an odd address
(
ad2
= 1), the first read data word provided by the FPGA application is discarded by the Target FIFO interface.
For single transaction (burst indication bit deasserted) on 32-bit PCI bus (
pci_64bit
= 0), the Target FIFO interface
handles all data alignment. The received address is valid as transferred, with the data phase aligning to this
address. No extra data is transferred or discarded.
Table 19. Target State Counter (TStateCntr) Values and the Corresponding Bus Data
TStateCntr[3:0]
Dual-Port Mode (32-bit Ports)
Quad-Port Mode (16-bit Ports)
Data on Bus
datatofpga
Adrs[31:0]
Adrs[63:32]
Data[31:0]
Data[63:32]
Data on Bus
datafmfpga
Data[31:0]
Data[63:32]
Data on Bus
twdata
Adrs[15:0]
Adrs[31:16]
Adrs[47:32]
Adrs[63:48]
Data[15:0]
Data[31:16]
Data[47:32]
Data[63:48]
Data on Bus
trdata
Data[15:0]
Data[31:16]
Data[47:32]
Data[63:48]
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
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