參數(shù)資料
型號: MCF5208_07
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): 21/46頁
文件大?。?/td> 480K
代理商: MCF5208_07
Electrical Characteristics
MCF5208 ColdFire
Microprocessor Data Sheet, Rev. 1
Freescale Semiconductor
21
5.4.1
PLL Power Filtering
To further enhance noise isolation, an external filter is strongly recommended for PLL analog V
DD
pins.
The filter shown in
Figure 11
should be connected between the board V
DD
and the PLLV
DD
pins. The
resistor and capacitors should be placed as close to the dedicated PLLV
DD
pin as possible.
SDRAM and FlexBus Supply Voltage
Mobile DDR/Bus Pad Supply Voltage (nominal 1.8V)
DDR/Bus Pad Supply Voltage (nominal 2.5V)
SDR/Bus Pad Supply Voltage (nominal 3.3V)
SDV
DD
1.70
2.25
3.0
1.95
2.75
3.6
V
CMOS Input High Voltage
EV
IH
2
EV
DD
+ 0.3
V
CMOS Input Low Voltage
EV
IL
V
SS
- 0.3
0.8
V
CMOS Output High Voltage
I
OH
= –5.0 mA
EV
OH
EV
DD
- 0.4
V
CMOS Output Low Voltage
I
OL
= 5.0 mA
EV
OL
0.4
V
SDRAM and FlexBus Input High Voltage
Mobile DDR/Bus Input High Voltage (nominal 1.8V)
DDR/Bus Pad Supply Voltage (nominal 2.5V)
SDR/Bus Pad Supply Voltage (nominal 3.3V)
SDV
IH
1.35
1.7
2
SDV
DD
+ 0.3
SDV
DD
+ 0.3
SDV
DD
+ 0.3
V
SDRAM and FlexBus Input Low Voltage
Mobile DDR/Bus Input High Voltage (nominal 1.8V)
DDR/Bus Pad Supply Voltage (nominal 2.5V)
SDR/Bus Pad Supply Voltage (nominal 3.3V)
SDV
IL
V
SS
- 0.3
V
SS
- 0.3
V
SS
- 0.3
0.45
0.8
0.8
V
SDRAM and FlexBus Output High Voltage
Mobile DDR/Bus Input High Voltage (nominal 1.8V)
DDR/Bus Pad Supply Voltage (nominal 2.5V)
SDR/Bus Pad Supply Voltage (nominal 3.3V)
I
OH
= –5.0 mA for all modes
SDV
OH
SDV
DD
- 0.35
2.1
2.4
V
SDRAM and FlexBus Output Low Voltage
Mobile DDR/Bus Input High Voltage (nominal 1.8V)
DDR/Bus Pad Supply Voltage (nominal 2.5V)
SDR/Bus Pad Supply Voltage (nominal 3.3V)
I
OL
= 5.0 mA for all modes
SDV
OL
0.3
0.3
0.5
V
Input Leakage Current
V
in
= IV
DD
or V
SS
, Input-only pins
Weak Internal Pull Up Device Current, tested at V
IL
Max.
1
Input Capacitance
2
All input-only pins
All input/output (three-state) pins
I
in
–1.0
1.0
μ
A
I
APU
-10
- 130
μ
A
C
in
7
7
pF
NOTES:
1
Refer to the signals section for pins having weak internal pull-up devices.
2
This parameter is characterized before qualification rather than 100% tested.
Table 7. DC Electrical Specifications (continued)
Characteristic
Symbol
Min
Max
Unit
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