参数资料
型号: MPC5553EVBGHS
厂商: Freescale Semiconductor
文件页数: 28/68页
文件大小: 0K
描述: KIT EVAL GREEN HILLS SOFTWARE
标准包装: 1
类型: 微控制器
适用于相关产品: MPC5553
所含物品: 评估板和演示软件
相关产品: MPC5553MZQ132-ND - IC MCU MPC5553 REV A 324-PBGA
MPC5553MZP132-ND - IC MCU MPC5553 REV A 416-PBGA
MPC5553 Microcontroller Data Sheet, Rev. 4
Electrical Characteristics
Freescale Semiconductor
34
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
15.2
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] 5
BDIP
OE
RD_WR
TA
TEA 6
TS
WE/BE[0:3] 7
tCOH
1.08
1.5
1.08
1.5
1.08
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[10:11, 27:30]
CAL_DATA[0:15]
CAL_WE/BE[0:1]
tCCOH
1.5
1.08
1.5
1.08
1.5
—ns
EBTS = 0
EBTS = 1
Hold time selectable
via SIU_ECCR
[EBTS] bit.
6
CLKOUT positive edge to output
signal valid (output delay)
External bus interface
CS[0:3]
ADDR[8:31]
DATA[0:31] 5
BDIP
OE
RD_WR
TA
TEA 6
TS
WE/BE[0:3] 7
tCOV
10.08
11.0
8.5
7.0
ns
EBTS = 0
EBTS = 1
Output valid time
selectable via
SIU_ECCR
[EBTS] bit.
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