參數(shù)資料
型號(hào): SII3512ECTU128
元件分類: 總線控制器
英文描述: PCI BUS CONTROLLER, PQFP128
封裝: LEAD FREE, TQFP-128
文件頁數(shù): 61/132頁
文件大?。?/td> 3011K
代理商: SII3512ECTU128
SiI3512 PCI to Serial ATA Controller
Data Sheet
Silicon Image, Inc.
26
2007-2010 Silicon Image, Inc. All rights reserved.
DS-0102-D01
CONFIDENTIAL
Table 12. Flash Data Description
Address
Data Byte
Description
0x7FFFF
D00
Data Signature = 0xAA
0x7FFFE
D01
Data Signature = 0x55
0x7FFFD
D02
AA = 120-ns flash device / else 240-ns flash device
0x7FFFC
D03
Data Signature = 0x55
0x7FFFB
D04
PCI Device ID [23:16]
0x7FFFA
D05
PCI Device ID [31:24]
0x7FFF9
D06
PCI Class Code [15:08]
0x7FFF8
D07
PCI Class Code [23:16]
0x7FFF7
D08
PCI Sub-System Vendor ID [07:00]
0x7FFF6
D09
PCI Sub-System Vendor ID [15:08]
0x7FFF5
D10
PCI Sub-System ID [23:16]
0x7FFF4
D11
PCI Sub-System ID [31:24]
0x7FFF3
D12
SerialATA PHY Config [07:00]
0x7FFF2
D13
SerialATA PHY Config [15:08]
0x7FFF1
D14
SerialATA PHY Config [23:16]
0x7FFF0
D15
SerialATA PHY Config [31:24]
Auto-Initialization from EEPROM
The SiI3512 controller initiates the EEPROM detection and configuration space loading sequence after the flash read
sequence. The SiI3512 device supports up to 256-byte EEPROM with a 2-wire serial interface. The sequence of
operations is as follows:
1.
START condition defined as a high-to-low transition on SDAT while SCLK is high
2.
Control byte = 1010 (Control Code) + 000 (Chip Select) + 0 (Write Address)
3.
Acknowledge
4.
Starting address field = 00000000
5.
Acknowledge
6.
Sequential data bytes separated by Acknowledges
7.
STOP condition.
While the sequence is active, the SiI3512 controller responds to all PCI bus accesses with a Target Retry.
MEM_CS_N
SCLK
SDAT
t
1
t
2
S
1
0
1
0
W
P
A
N
D
t
3
Figure 13. Auto-Initialization from EEPROM Timing
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