參數(shù)資料
型號: 82439TX
廠商: INTEL CORP
元件分類: 存儲控制器/管理單元
英文描述: System Controller(系統(tǒng)控制器)
中文描述: 256M X 8, DRAM CONTROLLER, PBGA324
封裝: BGA-324
文件頁數(shù): 17/83頁
文件大小: 461K
代理商: 82439TX
E
2.5.
82439TX (MTXC)
17
PRELIMINARY
Signal States During And After A Hard Reset
Table 2 shows the state of all the MTXC output and bi-directional signals when RST# is asserted. An undefined
state means that the signal is driven either high or low, but not tri-stated.
Table 2. Signal States During/After Reset
Name
State during
RST#
State After
RST#
A[31:3]
Low
Tri-State
BRDY#
High
High
NA#
High
High
AHOLD
High
Low
EADS#
High
High
BOFF#
High
High
KEN#/INV
Low
Low
HD[63:0]
Tri-State
Tri-State
RAS[5:0]# or
CS[5:0]#
Undefined
High
CAS[7:0]# or
DQM[7:0]
Undefined
Undefined
MA[11:0],
BA1,MA13
Undefined
Undefined
MWE#,
MWEB#
High
High
SRAS[A,B]#
High
High
SCAS[A,B]#
High
High
CKE,CKEB
Undefined
High
MD[63:0]
Tri-State
Tri-State
CADV#
High
High
CADS#
High
High
Table 2. Signal States During/After Reset
Name
State during
RST#
State After
RST#
CCS#
Low
Low
COE#
High
High
GWE#
High
High
BWE#
High
High
TIO[7:0]
Low
Tri-State
TWE#
Low
High
KRQAK
Input
Input
AD[31:0]
Low
Tri-State
C/BE[3:0]#
Low
Tri-State
FRAME#
Tri-State
Tri-State
DEVSEL#
Tri-State
Tri-State
IRDY#
Tri-State
Tri-State
TRDY#
Tri-State
Tri-State
STOP#
Tri-State
Tri-State
LOCK#
Tri-State
Tri-State
GNT[3:0]#
Tri-State
High
PHLDA#
High
High
PAR
Low
Undefined
CLKRUN#
Tri-State
Tri-State
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