MCF52274 FREESCALE [Freescale Semiconductor, Inc], MCF52274 Datasheet - Page 19

• Manufacturer Part Number: MCF52274
• Manufacturer: FREESCALE [Freescale Semiconductor, Inc]

5.5
Freescale Semiconductor
1
2
SDRAM and FlexBus Output High Voltage
SDRAM and FlexBus Output Low Voltage
Input Leakage Current
Weak Internal Pull-Up Device Current, tested at V
Input Capacitance
Num
Refer to the signals section for pins having weak internal pull-up devices.
This parameter is characterized before qualification rather than 100% tested.
10
11
12
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
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
V
All input-only pins
All input/output (three-state) pins
1
2
3
4
5
7
8
9
OH
OL
in
= 5.0 mA for all modes
= V
= –5.0 mA for all modes
Oscillator and PLL Electrical Characteristics
PLL Reference Frequency Range
Core/system frequency
CLKOUT Frequency
Crystal Start-up Time
EXTAL Input High Voltage
EXTAL Input Low Voltage
PLL Lock Time
Duty cycle of reference
XTAL Current
Total on-chip stray capacitance on XTAL
Total on-chip stray capacitance on EXTAL
Crystal capacitive load
DD
Crystal Mode
All other modes (External, Limp)
Crystal Mode
All other modes (External, Limp)
Crystal reference
External reference
or V
SS
2
, Input-only pins
1,4
3
3
Characteristic
MCF5227x ColdFire
Characteristic
Table 10. DC Electrical Specifications (continued)
1,2
1
Preliminary—Subject to Change Without Notice
Table 11. PLL Electrical Characteristics
IL
®
Max.
Microprocessor Data Sheet, Rev. 6
1
C
f
Symbol
C
ref_crystal
V
V
V
V
f
S_EXTAL
I
Symbol
ref_ext
f
S_XTAL
SDV
IHEXT
IHEXT
SDV
sys/2
ILEXT
ILEXT
XTAL
f
t
t
t
C
sys
cst
lpll
dc
I
APU
C
L
I
in
in
OH
OL
E
V
VDD
XTAL
TBD
TBD
Min
See crystal spec
–1.0
16
16
—
—
—
—
40
/2 + 0.4
Min
–10
1.4
2.1
2.4
1
—
—
—
—
—
+ 0.4
E
Electrical Characteristics
V
VDD
XTAL
166.67
50000
66.67
66.67
83.33
Max
1.5
1.5
10
60
—
—
/2 – 0.4
3
–130
Max
0.3
0.3
0.5
1.0
– 0.4
—
—
—
7
7
CLKIN
MHz
MHz
MHz
MHz
Unit
mA
ms
pF
pF
%
V
V
V
V
Unit
μA
μA
pF
V
V
19