參數(shù)資料
型號: STPCI2HEYI
英文描述: PERIPHERAL (MULTIFUNCTION) CONTROLLER
中文描述: 周邊(多功能)控制器
文件頁數(shù): 41/71頁
文件大?。?/td> 1071K
代理商: STPCI2HEYI
ELECTRICAL SPECIFICATIONS
Issue 2.4 - February 11, 2002
41/69
4.5.2 PCI AC Timing characteristics
4.5.3 DRAM CONTROLLER AC TIMING CHARACTERISTICS
Table 4-5. PCI Bus AC Timing
Name
t1
t2
t3
t4
t5
t6
t7
t8
t9
t10
t11
t12
t13
t14
t15
t16
t17
t18
t19
Parameter
PCI_CLKI to AD[31:0] valid
PCI_CLKI to FRAME# valid
PCI_CLKI to CBE#[3:0] valid
PCI_CLKI to PAR valid
PCI_CLKI to TRDY# valid
PCI_CLKI to IRDY# valid
PCI_CLKI to STOP# valid
PCI_CLKI to DEVSEL# valid
PCI_CLKI to PCI_GNT# valid
AD[31:0] bus setup to PCI_CLKI
AD[31:0] bus hold from PCI_CLKI
PCI_REQ#[2:0] setup to PCI_CLKI
PCI_REQ#[2:0] hold from PCI_CLKI
CBE#[3:0] setup to PCI_CLKI
CBE#[3:0] hold to PCI_CLKI
IRDY# setup to PCI_CLKI
IRDY# hold to PCI_CLKI
FRAME# setup to PCI_CLKI
FRAME# hold from PCI_CLKI
Min
2
2
2
2
2
2
2
2
2
7
3
10
1
7
5
7
4
7
3
Max
13
11
12
12
13
11
14
11
14
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Figure 4-2 EDO Write Mode (ref table
Table 4-6
)
Row
Column
Row
Valid data
tCPN
tCWL
tWCS
tWRH
tWCH
tCPN
tDS
tCAH
tCRW
tRWL
tWCH
tRAL
tRAS
tRC
tWCR
tWRP
tDHR
tAR
tCSH
tRAH
tRAD
tRCD
tCRP
tRP
tCCAS
tCMA
tCRAS
CLK
RAS#
CAS#
MA
MWE#
MD
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