參數(shù)資料
型號(hào): MPC5567EVBE
廠商: Freescale Semiconductor
文件頁(yè)數(shù): 27/68頁(yè)
文件大?。?/td> 0K
描述: BOARD EVALUATION MPC5567
標(biāo)準(zhǔn)包裝: 1
類型: MCU
適用于相關(guān)產(chǎn)品: MPC5567MZP132
所含物品: 板,線纜,CD,ICD,電源
Electrical Characteristics
MPC5567 Microcontroller Data Sheet, Rev. 2
Freescale
33
3.13.4
External Bus Interface (EBI) Timing
Table 22 lists the timing information for the external bus interface (EBI).
Table 22. Bus Operation Timing1
Spec
Characteristic
and
Description
Symbol
External Bus Frequency 2, 3
Unit
Notes
40 MHz
56 MHz
66 MHz
Min.
Max.
Min.
Max.
Min.
Max.
1
CLKOUT period
TC
24.4
17.5
14.9
ns
Signals are measured
at 50% VDDE.
2
CLKOUT duty cycle
tCDC
45%
55%
45%
55%
45%
55%
TC
3
CLKOUT rise time
tCRT
——4
——4
ns
4
CLKOUT fall time
tCFT
——4
ns
5
CLKOUT positive edge to output
signal invalid or Hi-Z (hold time)
External bus interface
CS[0:3]
ADDR[8:31]
DATA[0:31]
BDIP
OE
RD_WR
TA
TEA
TS
WE/BE[0:3]
tCOH
1.05
1.5
1.05
1.5
1.05
1.5
—ns
EBTS = 0
EBTS = 1
Hold time selectable
via SIU_ECCR
[EBTS] bit.
CLKOUT positive edge to output
signal invalid or Hi-Z (hold time)
Calibration bus interface
CAL_CS[0, 2:3]
CAL_ADDR[10:30]
CAL_DATA[0:15]
CAL_OE
CAL_RD_WR
CAL_TS
CAL_WE/BE[0:1]
tCCOH
1.5
1.05
1.5
1.05
1.5
—ns
EBTS = 0
EBTS = 1
Hold time selectable
via SIU_ECCR
[EBTS] bit.
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