mcf51em256 Freescale Semiconductor, Inc, mcf51em256 Datasheet - Page 21

• Manufacturer Part Number: mcf51em256
• Description: Microcontrollers Covers Mcf51em256 Mcf51em128
• Manufacturer: Freescale Semiconductor, Inc

Freescale Semiconductor
Num C
10
11
12
13
14
15
16
17
18
19
20
21
8
9
C
C
C
C
D
C Input hysteresis; all digital inputs
C Input capacitance; all non-supply pins
D POR rearm time
P
P
P
P
P Input leakage current; input only pins
P High Impedance (off-state) leakage current
P Internal pullup resistors
P Internal pulldown resistors
P POR rearm voltage
P
Output low
voltage
Output low
voltage
Output low
current
Input high
voltage
Input low
voltage
Low-voltage
detection
threshold
PTA[7:0], PTB[7:0], PTC[2:0], PTE[6:0],
low-drive strength.
V
PTA[7:0], PTB[7:0], PTC[2:0], PTE[6:0],
high-drive strength.
V
PTA[7:0], PTB[7:0], PTC[2:0], PTE[6:0],
high-drive strength.
V
PTC[7:3], PTD[7:0], PTE7, PTF[7:0],
LCD35/CLKOUT, MOSI2, MISO2,
SCK2, SS2, low drive strength.
VDD ≥ 1.8 V, I
PTC[7:3], PTD[7:0], PTE7, PTF[7:0],
LCD35/CLKOUT, MOSI2, MISO2,
SCK2, SS2, high-drive strength.
V
PTC[7:3], PTD[7:0], PTE7, PTF[7:0],
LCD35/CLKOUT, MOSI2, MISO2,
SCK2, SS2, high-drive strength.
V
Max total I
All digital inputs except tamper_in,
V
All digital inputs except tamper_in,
2.7 V > V
Tamper_in
All digital inputs except tamper_in,
V
all digital inputs except tamper_in,
2.7 V > V
Tamper_in
High range — V
High range — V
DD
DD
DD
DD
DD
DD
DD
MCF51EM256 Series ColdFire Microcontroller Data Sheet, Rev.3
≥ 1.8 V, I
≥ 2.7 V, I
≥ 1.8 V, I
≥ 2.7 V, I
≥ 1.8 V, I
> 2.7 V
> 2.7 V
Parameter
5
DD
DD
OL
6
Preliminary—Subject to Change Without Notice
Table 10. DC Characteristics (continued)
≥ 1.8 V
≥ 1.8 V
Load
Load
Load
Load
Load
for all ports
Load
DD
DD
= 2 mA
= 10 mA
= 3 mA
= 3 mA
= 1 mA
= 0.5 mA
falling
rising
4
4
Symbol
V
V
t
V
|I
I
R
R
V
V
V
|I
C
POR
LVDH
V
OLT
POR
OZ
hys
OL
OL
In
PU
PD
IH
IL
In
|
|
0.70 × V
0.85 × V
0.06 × V
2.300
2.370
17.5
17.5
Min
1.5
0.9
10
—
—
—
—
—
—
—
—
—
DD
DD
DD
Typical
2.355
2.425
0.1
0.1
1.4
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Electrical Characteristics
1
0.35 × V
0.3 × V
2.410
2.480
Max
0.50
0.50
52.5
52.5
100
0.5
2.0
—
—
—
—
—
1
1
8
DD
DD
Unit
mA
mV
μA
μA
kΩ
kΩ
pF
μs
V
V
V
V
V
V
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