KS8695PX Micrel EBiTCOH EBiTACT EBiTCOS EBiTCOH EBiTACT EBiTCOS EBiTACS RDATA WDATA Read Address Write Ad" />
參數(shù)資料
型號(hào): KS8695PX-EVAL
廠商: Micrel Inc
文件頁(yè)數(shù): 32/40頁(yè)
文件大小: 0K
描述: BOARD EVAL EXPERIMENT KS8695PX
標(biāo)準(zhǔn)包裝: 1
相關(guān)產(chǎn)品: KS8695PXA3-ND - IC ARM9 W/MMU 5PORT 289-PBGA
KS8695PX-ND - IC SWITCH 10/100 1PORT 289PBGA
其它名稱: 576-1004
September 2005
38
M9999-091605
KS8695PX
Micrel
EBiTCOH
EBiTACT
EBiTCOS
EBiTCOH
EBiTACT
EBiTCOS
EBiTACS
RDATA
WDATA
Read Address
Write Address
SDOCLK
ECSN[i]
ADDR[21:0]
EROEN
ERWEN[3:0]
EWAITN
DATA[31:0]
Figure 14. External I/O Read and Write Cycles
Symbol
Parameter
Min(1) Typ(1)
Max(1) Units
Tcta
Valid address to CS setup time
EBiTACS EBiTACS EBiTACS
+0.8
+1.1
+1.3
ns
Tcos
OE valid to CS setup time
EBiTCOS EBiTCOS EBiTCOS
+0.6
+1.0
ns
Tdsu
Valid read data to OE setup time
2.0
ns
Tcws
WE valid to CS setup time
EBiTCOS EBiTCOS EBiTCOS
+0.6
+1.0
ns
Tdh
Write data to CS hold time
0
ns
Tcah
Address to CS hold time
EBiTCOH EBiTCOH EBiTCOH
+1.0
+1.4
ns
Toew
OE/WE pulsewidth
EBiTACT
ns
Tocs, Tcsw
Rising edge CS to OE/WE hold time
0
ns
Table 4. External I/O Memory Timing Parameters
Note:
1. Measurements for minimum were taken at 0oC, typical at 25oC, and maximum at 100oC.
Symbol
Parameter(1)
Registers
EBiTACS
Programmable bank i address setup time before chip select
0x4000, 0x4004, 0x4008
EBiTACT
Programmable bank i write enable/output enable access time
0x4000, 0x4004, 0x4008
EBiTCOS
Programmable bank i chip select setup time before OEN
0x4000, 0x4004, 0x4008
EBiTCOH
Programmable bank i chip select hold time
0x4000, 0x4004, 0x4008
Table 5. Programmable External I/O Timing Parameters
Note:
1. "i" Refers to chip select parameters 0, 1, or 2.
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