參數(shù)資料
型號: MCF5327
廠商: 飛思卡爾半導(dǎo)體(中國)有限公司
英文描述: Microprocessor Data Sheet
中文描述: 微處理器數(shù)據(jù)表
文件頁數(shù): 24/48頁
文件大?。?/td> 922K
代理商: MCF5327
MCF5329 ColdFire
Microprocessor Data Sheet, Rev. 0.1
Preliminary
Preliminary Electrical Characteristics
Freescale Semiconductor
24
Figure 10. FlexBus Read Timing.
Table 10. FlexBus AC Timing Specifications
Num
Characteristic
Symbol
Min
Max
Unit
Notes
Frequency of Operation
80
Mhz
f
sys/3
FB1
Clock Period (FB_CLK)
t
FBCK
12.5
ns
t
cyc
1
FB2
Address, Data, and Control Output Valid (A[23:0], D[31:0],
FB_CS[5:0], R/W, TS, BE/BWE[3:0] and OE)
t
FBCHDCV
7.0
ns
NOTES:
1
Timing for chip selects only applies to the FB_CS[5:0] signals. Please see
Section 5.8.2, “DDR SDRAM AC Timing
Characteristics
” for SD_CS[3:0] timing.
2
The FlexBus supports programming an extension of the address hold. Please consult the
MCF5329 Reference
Manual
for more information.
3
These specs are used when the A[23:0] signals are configured as 23-bit, non-muxed FlexBus address signals.
FB3
Address, Data, and Control Output Hold (A[23:0], D[31:0],
FB_CS[5:0], R/W, TS, BE/BWE[3:0], and OE)
t
FBCHDCI
1
ns
1
, 2
FB4
Data Input Setup
t
DVFBCH
3.5
ns
FB5
Data Input Hold
t
DIFBCH
0
ns
FB6
Transfer Acknowledge (TA) Input Setup
t
CVFBCH
4
ns
FB7
Transfer Acknowledge (TA) Input Hold
t
CIFBCH
0
ns
FB8
Address Output Valid (A[23:0])
t
FBCHAV
6.0
ns
3
FB9
Address Output Hold (A[23:0])
t
FBCHAI
1
ns
FB_CLK
A[23:0]
D[31:0]
R/W
TS
FB_CS
n
BE/BWE
n
OE
TA
FB1
A[23:0]
FB2
FB3
FB4
FB5
FB6
FB7
DATA
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