参数资料
型号: MPC5567EVBE
厂商: Freescale Semiconductor
文件页数: 27/68页
文件大小: 0K
描述: BOARD EVALUATION MPC5567
标准包装: 1
类型: MCU
适用于相关产品: MPC5567MZP132
所含物品: 板,线缆,CD,ICD,电源
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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